Unika NA-21600 Power Amplifier Owner's Manual

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Unika NA-21600 Power Amplifier Owner's Manual | Manualzz

UNiK A

Professional Power Amplif iers

UNiK A

Sig 20 10 5 Clip Prot Prot Clip 5 10 20 Sig on

Limiter

Parallel Stereo Bridge on

Limiter

Channel

1

Channel

2

0 10

PROFESSIONAL STEREO AMPLIFIER

0 10

UNiK A

Sig 20 10 5 Clip Prot Prot Clip 5 10 20 Sig on

Limiter

Parallel Stereo Bridge on

Limiter

Channel 1 Channel 2

0 10 0 10

PROFESSIONAL STEREO AMPLIFIER

UNiK A

Sig 20 10 5 Clip Prot Prot Clip 5 10 20 Sig on

Limiter

Parallel Stereo Bridge on

Limiter

Channel 1 Channel 2

0 10

PROFESSIONAL STEREO AMPLIFIER

0 10

Index

02 Introduction

03 Front Panel

04 Rear Panel

0 6 Set Up

08 Speakon Assembly

09 Operating Modes

13 Protection

14 Features

15 Specifications

User Instructions

This booklet contains important information concerning the proper and safe operation of your new amplifier..

NA-Series

NA-13600 / NA-17600 / NA-21600

Made in Taiwan

IMPORTANT SAFETY INSTRUCTIONS NA-13600/NA-17600/NA-21600

This symbol is intended to alert the user to the presence of non insulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

This symbol is intended to alert the user of

!

the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

CAUTION:

Risk of the electrical shock -

DO NOT OPEN!

CAUTION:

To reduce the risk of electrical shock, do not remove cover. No user serviceable parts inside. Refer all servicing to qualified service personnel.

WARNING:

To prevent electrical shock or fire hazard, do not expose this amplifier to rain or moisture. Before using this amplifier read the user manual for further warnings.

Este símbolo tiene el propósito de alertar al usuario de la presencia de “voltaje peligroso” que no tiene aislamiento dentro de la caja del producto que puede tener una magnitud sufciente como para constituir riesgo de corrientazo.

Este símbolo tiene el propósito de alertar al

!

usuario de la presencia de instrucciones importantes sobre la operación y mantenimiento en la literatura que vienc con el producto.

PRECAUCIÓN:

Riesgo del choque eléctrico -

NO SE ABRA

PRECAUCIÓN:

Para disminuir el riesgo de choque eléctrico, no quite la cubierta. No hay piezas adentro que el usario puede reparar. Deje todo mantenimiento al los técnicos cualifcados.

ADVERTENCIA:

Para prevenir choque eléctrico o riesgo de incendios, no deja expuesto a la lluvia o a la humedad este amplif cador. Antes de usar este amplif cador, lea mas advertencias en la guia de operacion.

Ce symbole est utilisé pur indiquer à l’utilisateur la présence

à l'intérieur de ce produit de tension non-isolée dangereuse pouvant être d'intensité suffisante pour constituer un risque de choc électrique.

!

Ce symbole est utilisé pour indiquer à l’utilisateur qu'il trouvera d'importantes instructions importantes sur l'utilisation et l'entretien de l'appareil dans la littérature accompagnant le produit.

ATTENTION:

Risque de choc électrique -

NE PAS OUVRIR!

ATTENTION:

Afin de réduire le risque de choc électrique, ne pas enlever le couvercle. Il ne se trouve à l’intérieur aucune piéce pouvant être réparée par l'utilisateur. Confier l'entretien à un personnel qualifé.

AVERTISSEMENT:

Afin de prévenir les risque de décharge ou de feu, n’exposez pas cet appareil à la pluie ou à l’humidité.

Avant d’utiliser cet amplificateur, lisez les avertissements supplémentaries situés dans le guide.

Dieses Symobl soll den Anwender vor unisollierten gefährlichen Spannungen innerhalb des Gehäuses warnen, die von Ausreichender Stärke sind, um einen elektrischen

Schlag verursachen zu können.

!

Dieses Symobl soll den Benutzer auf wichtige

Instruktionen in der Bedienungsanleitung aufmerksam machen, die Handhabung und

Wartung des Produkts betreffen.

VORSICHT:

Risiko - Elektrischer Schlag!

Nicht öffnen!

VORSICHT:

Um ddas Risiko eines elektrischen Schlages zu vermeiden, nicht die Abdeckung enfernen. Es befinden sich keine

Teile darin, die vom Anwender repariert werden könnten. Reparaturen nur von qualifzierte Fachpersonal durchführen lassen.

ACHTUNG:

Um einen elektrischen Schlag oder Feuergefahr zu vermeiden, sollte diesen Gerät nicht dem Regen oder

Feuchtigkeit ausgesetz werden. Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen. page 1

CAUTION

Do not open risk of electric shock

!

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO

NOT REMOVE THE COVER. THERE ARE NO USER

SERVICEABLE PARTS INSIDE. REFER ALL SERVICE TO

YOUR AUTHORIZED DEALER.

The lightning flash with an arrow triangular symbol is intended to alert the user to the presence of non insulated “dangerous voltage” within the products enclosure, and may be of sufficient magnitude to constitute a risk of electric shock.

!

The exclamation point triangular symbol is intended to alert the user to the presence of important operating and maintenance

(servicing) instructions in the user manual accompanying the amplifier.

!

FOR OPTIMUM PERFORMANCE AND RELIABILITY

DO NOT PRESENT THE AMPLIFIER WITH A

SPEAKER LOAD OF LESS THAN 2 OHMS OR ANY

COMBINATION OF SPEAKERS THAT TOGETHER ARE LESS

THAN 2 OHMS!

USING ONE SPEAKER, IT MUST BE RATED AT 4 OR MORE

OHMS. USING TWO SPEAKERS, THEY MUST RATED EACH AT 4

OR MORE OHMS.

USING THREE SPEAKERS, THEY MUST BE RATED EACH AT 8

OR MORE OHMS.

!

POUR ASSURER LA FIABILETE ET OBTENIT UNE

PERFORMANCE OPTIMALE, NESOUMETTE

JAMAIS L’AMPLIFICATEUR A UNE CHARGE

D’IMPEDANCE

TOTALE INFERIEURE A 2 OHMS, NI AVEC UN H.P. N EN

COMBINAISON DES H.P.

AVEC UN H.P., IL FAUT UNE CHARGE D’IMPEDANCE MINIMUM

DE 2 OHMS.

AVEC DEUX H.P., FAUT POUR CHAOUN UNE CHARGE

D’IMPEDANCE MINIMUM DE 4 OHMS.

AVEC TROIS H.P., FAUT POUR CHAOUN UNE CHURGE

D’IMPEDANCE MINIMUM DE 8 OHMS.

UNiKA NA-13600/NA-17600/NA-21600

Introduction

Front Panel Rear Panel Set Up Speakon Assembly Operating Modes Protection Features Specifications

IMPORTANT PRECAUTIONS

To reduce the risk of electrical shock or fire, do not expose this unit rain or moisture.

Do not spill water or other liquids into or on to your unit.

Do not attempt to operate this unit if the power cord has been frayed or broken.

Do not attempt to remove or break off the ground prong from the electrical cord. This prong is used to reduce the risk of electrical shock and f re in case of an internal short.

Disconnect main power before making any type of connection.

Do not remove the cover under any conditions. There are no user serviceable parts inside.

Never plug this unit in to a dimmer pack.

Always be sure to mount this unit in an area that will allow proper ventilation. Allow about 6” (15cm) between this device and a wall.

Do not attempt to operate this unit, if it becomes damaged.

This unit is intended for indoor use only, use of this product outdoors voids all warranties.

During long periods of non-use, disconnect the unit’s main power.

Always mount this unit in a safe and stable manner.

Power cords should be routed so they are not likely to be walked on, pinched by items placed upon or against them.

Cleaning -The outside of the unit should be wipe down with a soft cloth and mild cleaner when needed.

Heat -The amplifier should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat.

The fixture should be serviced by qualified service personnel when:

A. The power-supply cord or the plug has been damaged.

B. Objects have fallen, or liquid has been spilled into the unit.

C. The appliance has been exposed to rain or water.

D. The fixture does not appear to operate normally or exhibits a marked change in performance.

INTRODUCTION

Congratulations and thank you for purchasing NA-13600/NA-17600/NA-

21600 amplifier. These amplifiers are representation of UNiKA’s continuing commitment to produce the best and highest quality audio products at an affordable price. These amplifiers are designed to provide a big impact in sound reproduction. Please read and understand this manual completely before attempting to operate your new amplifier. This booklet contains important information concerning the proper and safe operation of your new amplifier.

UNPACKING:

Every NA-13600/NA-17600/NA-21600 amplifier has been thoroughly tested and has been shipped in perfect operating condition.

Carefully check the shipping carton for damage that may have occurred during shipping. If the carton appears to be damaged, carefully inspect your unit for any damage and be sure all accessories necessary to operate the system have arrived intact. In the event damage has been found or parts are missing, please contact your dealer for further instructions.

INSTALLATION:

These amplifiers are designed to mount into a standard 19”rack. The front panel provides four holes used to screw the unit into a rack. The unit also provides a way to rear mount the unit into a rack for added security. Rear mounting the unit is especially recommended if the unit is to mounted into a mobile rack. page 2

UNiKA NA-13600/NA-17600/NA-21600

Introduction

Front Panel

Rear Panel Set Up Speakon Assembly Operating Modes Protection Features Specifications

NA-13600/NA-17600/NA-21600 FRONT PANEL

1 2 3 4 5 6 7 3

UNiK A

Sig

-

20

-

10

5

Clip Prot Prot Clip

5 -

10

-

20 Sig on

Limiter

Parallel Stereo Bridge on

Limiter

Channel

1

Channel

2

0 10 0 10

PROFESSIONAL STEREO AMPLIFIER

8 9

1. Rack Mounting Ears

- Two front panel mounting holes are provided on each mounting ear.

2. Fan Inlet Grills and Filter

- NA Series amplifiers are cooled by two rearmounted fans. Cool air from front grills is filtered and flows over the heatsinks and exhausts to back side. Make sure these outlets remain clear to allow unrestricted air flow.

3. UNiKA Logo and Model No

- NA series have 3 types of 3U models NA-

13600 / NA-17600 / NA-21600.

4. Signal Indicators -

These green and yellow LED’s will glow according to the average signal output.

5. Clip Indicator -

This red LED will begin to flash when the channel begins to overload (clip), at this point the channel will begin to distort. Under heavy clipping activity, lower the channel’s gain control to reduce the risk of damage to your speakers and amplifier. This LED may glow when the unit has been turned off, this is normal.

Figure 1

10

6. Protect Indicator -

The red Protect LED will begin to glow when the channel goes into protect mode. When the channel goes into protect mode all output for that channel will turn off. This is to protect any speakers connected to the channel.

7. Function Indicators -

These indicators detail the operating mode of the amplifier.

These LEDs will also function as a power indicator.

8

.

Gain Control

- This rotary knob is used to control the output signal level of the channel . Turning the knob in clockwise direction will increase output signal level .

9

.

Limiter Switch

- This is used to activate the channel’s built in limiter . The limiter reduces the average input level when the signal begins to distort , this process is designed to reduce distortion and protect the speakers . See limiter at page 13 .

10

.

AC Power Switch

- This switch is used to control the unit ' s mains power .

page 3

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel

Rear Panel

Set Up Speakon Assembly Operating Modes Protection Features Specifications

NA-13600 REAR PANEL

11 1 2 1 3 14 15 16 17 18 19 20 21 11

PARALLEL

FUSE F 40A/120V

F

E

F U

S

E

E

S U

F

SPEAKON

1 + POS

1 - NEG

~120V 60 Hz

4200 WATTS

2 2 23

11. Fan Outlet Ports

- Cooling air enters the amplifier through the front grills and exhausts through the fans. Be sure not to block these ports when installing the amplifier or other associated equipment. Air must flow unimpeded through these ports.

12. Channel 2 Balanced 1/4" TRS & XLR Input Connectors

- These connectors accept input signals on balanced TRS and XLR input plugs. See the figure 4 for information on polarity. Connectors for each channel are in parallel; the unused connectors may be used for "loop through" connection to other amplifiers.

XLR pin setting: Pin-3/signal Negative, Pin-2/signal Positive, Pin-1/Ground.

13. Channel 2 Subwoofer Mode On/Off Switch -

Turns the subwoofer mode for channel two on and off.

14. Channel 2 Frequency Adj. -

This pot adjust the frequency level sent to your speaker on channel two when using your amplifier in subwoofer mode.

15. Channel 1 Frequency Adj.-

This pot adjust the frequency level sent to your speaker on channel one when using your amplifier in subwoofer mode.

24

Figure

2

25 26 27

16. Channel 1 Subwoofer Mode On/Off Switch -

Turns the subwoofer mode for channel one on and off.

17. Channel 1 Balanced 1/4" TRS & XLR Input Connectors

- These connectors accept input signals on balanced TRS and XLR input plugs. See the figure 4 for information on polarity. Connectors for each channel are in parallel; the unused connectors may be used for "loop through" connection to other amplifiers.

XLR pin setting: Pin-3/signal Negative, Pin-2/signal Positive, Pin-1/Ground.

18. Channel 2 XLR THRU Jack -

This Jack is used to send a parallel signal from the channel two input jack to another device or amplifier.

19. Mode Selection Switch

- This recessed, three-position switch configures the amplifier for Stereo, Parallel or Bridged Mode operation. Amplifiers are factory-configured for Stereo Mode. See section on Mode Selection for more information.

20. Channel 1 XLR THRU Jack

- This Jack is used to send a parallel signal from the channel one input jack to another device or amplifier.

page 4

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel

Rear Panel

Set Up Speakon Assembly Operating Modes Protection Features Specifications

NA-17600/NA-21600 REAR PANEL

11

1 2

1 3

14

15 16

17

18 19 20 21 11

NORMAL

SUB

WOOF

20 Hz

CH-2

FREQUENCY FREQUENCY

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

BRIDGE

STEREO

PARALLEL

NORMAL

CH-2

CH-1

PUSH TO RESET

2

3

1

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C

H-2

INPUT BALANCE

CH- 1

PINOUT

CH- 2 BRIDGE

1+ 1-

POS NEG

2+ 2-

POS NEG

1+ 2+

POS NEG

C

H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

CH-1 CAUTION

+

+

2 OHM PER CHANNEL

4 OHM BRIDGE

~120V 60 Hz

+

4200 WATTS

_

Made in Taiwan

S/N.:

2 2 2 3 24

Figure

3

25 27

21.

Fuse Holder -

This holder houses the external fuse. Always replace with the exact same type fuse, otherwise instructed to do so by an authorized audio service technician. For the NA-17600 & NA-21600, this position is designed as Reset Button instead that is used to reset the breaker.

22. Channel 2 Speakon Output -

Use pins 1+ and 1- of this 4-pole Speakon connector to connect to your speaker’s input jack.

23. Channel 1 Speakon Output -

Use pins 1+ and 1- of this 4-pole Speakon connector to connect to your speaker’s input jack.

24. Channel 2 Output Jack / 5-Way Binding Post -

Connect to your speakers input jack. Red is positive signal and Black is negative signal.

25. Channel 1 Output Jack / 5-Way Binding Post -

Connect to your speakers input jack. Red is positive signal and Black is negative signal.

26. Ground Lift Switch (NA-13600 only) -

This switch is used to disconnect the internal ground signal from the amplifiers chassis ground. This may reduce the buzz that is caused from an electrical 50Hz/60Hz cycle.

27. AC POWER Cord

- Plug this cable into a standard 110V or 220V wall outlet.

Be sure that the supplied voltage in your area matches the amplifiers required voltage. Never plug your amplifier into a wall outlet that does not match the required voltage of your amplifier, serious damage may occur to your unit.

NOTE :

Unbalanced "Tip / Sleeve" plugs may be used with the balanced TRS " Tip /

Ring / Sleeve " connectors. The "ring" terminal or negative input will be connected to ground internally. When using three-pole

(stereo) TRS connectors, make sure that the ring connection is made either to the cold (-) output of the source equipment, or to ground. Incorrect connections may cause a 6dB loss in level.

Figure 4 page 5

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel

Set Up

Speakon Assembly Operating Modes Protection Features Specifications

SET UP

INPUTS -

The

NA-13600/NA-17600/NA-21600

amplifier allows you to use two types of input connectors per channel, a XLR female jack for balanced connections and a 1/4” TRS female jack that will accept balanced and unbalanced connectors. Use these connections to connect the output signal from a mixer, cross-over or EQ to your NA-13

600/NA-17600/NA-21600 amplifiers. A balanced connection is recommended for cable runs longer than 20ft. When constructing your own XLR cables follow the pin configuration described below for proper connections. For cable runs shorter than 20ft., you may choose the 1/4” TS unbalanced input option. The 1/4” TS unbalanced input option may be more convenient for most users due to the abundant supply of prefabricated cables available at your local audio dealer.You may use the two XLR

“Input Thru” jacks to jump a parallel connection to another amplifier or other device. For example: Connect a XLR cable to the input of channel one. You may now connect a XLR cable from the channel one “Input Thru” jack to the input jack of another amplifier's channel one input. This will reduce the use of “Y” cables.

Male XLR Pin Configuration Balanced TRS 1/4” Plug Unbalanced TS 1/4” Plug

2 1

3

2 Hot (+data) 1 Ground / Return / 0v

3 Negative (-data)

Hot (+) Ground/Shield

Negative (-)

Hot (+)

Negative (-)

Figure

5

Figure 6 Figure

7

OUTPUTS -

BINDING POST/BANANA PLUG:

Connect your speakers to the binding post outputs on the rear of the amplifier. The speaker wire may be connected by bare wire (directly connected, usually for permanent connections), banana plug, or spade connector. Connections are made to channel one and channel two outputs for Stereo Mode or across the red terminals of channel one and channel two for Mono Bridge Mode.

IMPORTANT NOTICE:

Although a speaker will operate with the positive and negative leads plugged into either terminal on the amplifier binding post, be sure to plug the negative lead into the black terminal and positive lead into the red terminal. Ensuring proper polarity will avoid speakers being out of phase that can cause a loss of bass response.

BANANA PLUG: (Figure 8)

When connecting your speakers to the amplifier using banana plug, be sure that the red and black caps on the binding post are completely screwed in. Insert the banana plug into the caps of the binding post, be sure that the banana plug is inserted securely to avoid the risk of popping out

Figure

8 page 6

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel

Set Up

Speakon Assembly Operating Modes Protection Features Specifications

BARE WIRE CONNECTION: (Figure 9)

When connecting your speakers to the amplifier using bare wire, unscrew the red and black caps on the binding post, be sure not to completely remove or unscrew the red and black caps. Strip back the wire insulation ½” (13mm). Insert the bare wire into the hole that was reveled by unscrewing the binding post cap.

After inserting the wire into the binding post hole, screw the binding post cap down on the wire. To reduce the risk of shock or damage to your amplifier, be sure that the wire connected to one binding post does not come in contact with that of another.

SPADE CONNECTOR: (Figure 10)

When connecting your speakers to the amplifier using spade connector, unscrew the red and black caps on the binding post, be sure not to completely remove or unscrew the red and black caps. Insert the spade connector into the binding post and tighten the caps down on the spade connector. To reduce the risk of shock or damage to your amplifier, be sure that the wire connected to one binding post does not come in contact with that of another.

MONO BRIDGE CONNECTIONS: (Figure 11)

Mono bridge operation connections will follow the above descriptions, however, when operating in mono bridge operation the speaker connections will run between the two positive (red) leads. Use channel two positive output terminal for the speaker’s negative connection and the channel one positive output terminal for the speaker’s positive connection.

1/5"

13mm

Figure

9

Typical speaker output using bare wire.

Insert bare wire into the binding post and tighten.

Figure

10

Typical speaker output using spade connectors.

Insert bare wire into the binding post and tighten.

STEREO CONNECTIONS USING THE NEUTRIK SPEAKON OUTPUT CONNECTORS:

Recent regulatory requirements in Europe have outlawed the use of the dual banana plug and force amplifier users to terminate their speaker cables with spade lugs or bare wire ends. This is not advantageous to most users that want to reconfigure their systems or quickly change out an amplifier. The Neutrik Speakon connector provides the most convenient solution to this problem, eliminating the need for spade lugs or bare wire end cables. Major speaker manufacturers have been using Speakon connectors on their products for years, so chances you are ready to use the Speakon connection. With Speakon connectors, you can connect straight from the amplifier to the speaker. The Speakon connector used on this amplifier meets all known safety regulations.

Once wired correctly, the connector cannot be plugged in backwards, causing the type of inverted polarity situations that have become common with banana hookups. This connection will provide a safe, secure and reliable method of connecting your speakers to your new amplifier. You can purchase the Speakon NL4FC connectors from your local audio dealer.

NORMAL

FREQUENCY

SUB

WOOF

20 Hz

CH-2

FREQUENCY

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

3

1

NORMAL

BRIDGE

STEREO

PARALLEL

CH-2 CH-1

PUSH TO RESET

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C H-2

INPUT BALANCE

CH- 1

1+ 1-

POS NEG

PINOUT

CH- 2

2+ 2-

POS NEG

BRIDGE

1+ 2+

POS NEG

C H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

CH-1 CAUTION

+

2 OHM PER CHANNEL

4 OHM BRIDGE

+ +

~120V 60 Hz

4200 WATTS

_

Made in Taiwan

S/N.:

Figure

11 page 7

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up

Speakon Assembly

Operating Modes Protection Features Specifications

SPEAKON ASSEMBLY:

You will need a pair of Neutrik Speakon NL4FC connectors. You will also need high-quality two or four conductor Speakon cable, a pair of needle-nosed pliers and a 1.5-mm Allen key to assemble the Speakon connectors to your speaker wire. To assemble the Neutrik

Speakon NL4FC connector, complete the following steps:

Brass Inserts 4Conductor Speaker Cable

Figure 12

1. Strip back 3/4-inch of the cable casing. Strip off 1/4-inch from the end of each of the conductors down to bare wire, and insert the brass fittings (Figure 12).

2. Slide the wire tensioner (D) and the Speakon coupler (E) through the cable end. See

Figure 13.

3. Insert each wire with the brass fittings into the top of appropriate slot of the connector insert (B) as shown in Figure 14. Use a 1.5-mm Allen key to tighten the connection

(Figure 15).

4. Be sure to properly match the positive (+) and negative (-) leads of each wire (Figure 16).

5. Slide the connector insert (B) into the connector housing (A), making sure that the large notch on the outer edge of the insert lines up with the large groove on the inside of the connector housing. The insert should slide easily through the housing and out the other side until it extends approximately 3/4-inch from the end of the housing.

6. Slide the cable tensioner (D) along the cable and insert into the housing (A), making sure that the large notch lines up with the large groove on the inside of the connector housing

(A). The cable tensioner (D) should slide easily into the housing until only 3/8-inch of the tensioner (D) extends from the back end of the connector.

7. Slide the coupler (E) along the cable and screw it onto the end of the housing (A). Before tightening, you may want to test the connector to make sure it has been assembled properly.

A

+

+1

-1

B

-2

C

Figure 13

D

Figure 14

Figure 15

INPUT BALANCE

+1

-2

+

+2

+2 -1

E

Figure 16 page 8

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly

Operating Modes

Protection Features Specifications

OPERATING MODES

STEREO OPERATION :

Page 9/ Figure 17 details an example of a typical stereo set-up. Connect your inputs into channels one and two of the amplifier.

Connect your speakers to the outputs on the rear of the amplifier. Be sure that your front gain controls are turned down to their lowest level (fully counterclockwise). Turn your amplifier on. Turn your input source level up. Use your front gain controls to regulate the output volume. Be sure not to raise the volume to the clip level, however an intermittent clip signal is acceptable.

MONO BRIDGE OPERATION :

Page 10/ Figure 18 details a mono bridge set-up. Be sure your amplifier and all other audio equipment are powered down. Flip the Parallel/Stereo/Mono Bridge switch to the Mono Bridge position. Connect input signal to channel one. Connect your speaker across the red output binding post on the rear of your amplifier. Turn your equipment on (your amplifier should always be the last item you turn on). Apply an input source signal to your amplifier. Use the channel one gain control to regulate your amplifier output.

PARALLEL MONO :

Parallel ties the two channel line inputs together, so that they will both be driven by the same signal, without the need for external jumpers or wiring. Both amplifier channels will operate independently. Though they carry the same signal, their gain controls affect only their respective channels, and they both must use their respective speaker outputs. Never attempt to parallel the speaker outputs, this may cause serious damage to your amplifier! This mode is recommended when using the NA-13600/NA-17600/NA-21600 to run bass speakers, to achieve better low end. To run in parallel mono mode connect your system as you would if you were going to run in stereo mode. Then flip the mode switch to Parallel. Be sure the amplifier is off or the power is disconnected before making any changes.

NA-21600 Rear Panel

CH-2

Input

CH-1

Input

NA-21600(110V)only

FREQUENCY FREQUENCY

NORMAL

SUB

WOOF

20 Hz

CH-2

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

2

3

1

STEREO

BRIDGE PARALLEL

NORMAL

CH-2 CH-1

PUSH TO RESET

STEREO

BRIDGE PARALLEL

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C H-2

INPUT BALANCE

CH- 1

PINOUT

CH- 2 BRIDGE

1+ 1-

POS NEG

2+ 2-

POS NEG

1+ 2+

POS NEG

C H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

+

2 OHM PER CHANNEL

4 OHM BRIDGE

+ +

~120V 60 Hz

4200 WATTS

_

Made in Taiwan

S/N.:

SPEAKERS

2 OHM MINIMUM

SPEAKERS

2 OHM MINIMUM

Figure

17

TYPICAL STEREO OUTPUT CONNECTIONS

page 9

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly

Operating Modes

Protection Features Specifications

CH-1 Input

Only

NA-17600 Rear Panel

FREQUENCY FREQUENCY

NORMAL

SUB

WOOF

20 Hz

CH-2

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

2

3

1

BRIDGE

STEREO

PARALLEL

NORMAL

CH-2 CH-1

PUSH TO RESET

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C

H-2

INPUT BALANCE

CH- 1

PINOUT

CH- 2 BRIDGE

1+ 1-

POS NEG

2+ 2-

POS NEG

1+ 2+

POS NEG

C

H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

+

2 OHM PER CHANNEL

4 OHM BRIDGE

+ +

~120V 60 Hz

4200 WATTS

_

Made in Taiwan

S/N.:

Figure

18

TYPICAL MONO BRIDGE SET-UP

STEREO

BRIDGE PARALLEL

SPEAKERS

2 OHM MINIMUM

NA-17600

Rear Panel

Either CH-1 or CH-2 input, or Both inputs.

CH-2 Input CH-1 Input

FREQUENCY FREQUENCY

NORMAL

SUB

WOOF

20 Hz

CH-2

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

2

3

1

STEREO

BRIDGE PARALLEL

NORMAL

CH-2 CH-1

PUSH TO RESET

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C

H-2

INPUT BALANCE

CH- 1

PINOUT

CH- 2 BRIDGE

1+ 1-

POS NEG

2+ 2-

POS NEG

1+ 2+

POS NEG

C

H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

+

2 OHM PER CHANNEL

4 OHM BRIDGE

+ +

~120V 60 Hz

4200 WATTS

_

Made in Taiwan

S/N.:

Figure

19

TYPICAL PARALLEL SET-UP

page 10

STEREO

BRIDGE PARALLEL

SPEAKERS

4 OHM MINIMUM

SPEAKERS

2 OHM MINIMUM

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly

Operating Modes

Protection Features Specifications

SUBWOOFER MODE :

This mode sends low frequencies to your speakers without the use of an external cross-over. The subwoofer operation can be operated in stereo, parallel, or bridge modes. Change the different operating modes by flipping the mode switch on the rear of the unit to your desired operating mode. Also, set the subwoofer mode switch to the ”SUBWOOF” position. Use the frequency selector to adjust the subwoofer output frequency from 20Hz to 200Hz. The different subwoofer modes are listed as follows:

BRIDGE SUBWOOFER -

This operation allows you to get the most possible power out of your amplifier for the sole purpose of running a high powered subwoofer loudspeaker in mono. To avoid amplifier overheating, never run the amplifier below 4 ohms in this mode. In this mode you may use the frequency adjustment on the rear of the amplifier, to control the frequency output level. Frequencies may be adjusted from 20Hz to 200Hz. Page 11 / Figure 20 details a typical Bridge Subwoofer set-up.

STEREO SUBWOOFER -

This operation is similar to the Bridge Subwoofer operation but in stereo. This operation allows you to run several subwoofers down to a minimum of 2 ohms. To avoid amplifier overheating, never run the amplifier below 2 ohms in this mode. Set up this mode as you would a standard Stereo set-up. Be sure both channels are set to “SUBWOOF.” In this mode you may use the frequency adjustment on the rear of the amplifier, to control the bass frequency output level.

Frequencies may be adjusted from 20Hz to 200Hz. Page 12 / Figure 21 details a typical Stereo Subwoofer set-up.

PARALLEL SUBWOOFER -

This operation is similar to the Stereo Subwoofer operation but in parallel. When running subwoofers, it is usually recommended to run them in mono mode to achieve a cleaner tighter low end. This operation allows you to run several subwoofers down to a minimum of 2 ohms. To avoid amplifier overheating, never run the amplifier below 2 ohms in this mode. Set up this mode as you would a standard Stereo set-up. Be sure both channels are set to “SUBWOOF” and the mode switch is set to “Parallel.” In this mode you may use the frequency adjustment on the rear of the amplifier, to control the bass frequency output level.

Frequencies may be adjusted from 20Hz to 200Hz.

ONE CHANNEL NORMAL / ONE CHANNEL SUBWOOFER (BI-AMP) -

You may also use your amplifier to bi-amp your system. You may use one side of the amplifier to power a subwoofer and the other side to power a full range speaker. Follow the set up guides listed above to mix and match your operations.

Do Not Use

CH-2 Input

NA-17600 Rear Panel

CH-1 Input

Set to

Subwoof

STEREO

BRIDGE PARALLEL

_ _

O O

C C

K

C

H-2

O O

C C

K

_ _ _ _

Negative (-) Lead Positive (+) Lead

Figure 20

Bridge Subwoofer Mode Speaker Set-Up

page 11

Use the two red terminal from the Binding Post to power a subwoofer speaker in mono-bridge mode.

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly

Operating Modes

Protection Features Specifications

Use either the bare wire or the banana jacks

NA-17600 Rear Panel

CH-2 Input

Set to

Subwoof

CH-1 Input

Set to

Subwoof

NORMAL

FREQUENCY FREQUENCY

SUB

WOOF

20 Hz

CH-2

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

2

3

1

NORMAL

STEREO

BRIDGE PARALLEL

CH-2 CH-1

PUSH TO RESET

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C

H-2

INPUT BALANCE

CH- 1

PINOUT

CH- 2 BRIDGE

1+ 1-

POS NEG

2+ 2-

POS NEG

1+ 2+

POS NEG

C

H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

CH-1 CAUTION

+

2 OHM PER CHANNEL

4 OHM BRIDGE

+ +

~120V 60 Hz

4200 WATTS

_

Made in Taiwan

S/N.:

Figure

21

Stereo Subwoofer Mode Speaker Set-Up

STEREO

BRIDGE PARALLEL

Use either the bare wire or the banana jacks

Use either the bare wire or the banana jacks

NA-17600

Rear Panel

Set to

Subwoof

Either CH-1 or CH-2 input, or Both inputs.

CH-2 Input CH-1 Input

Set to

Subwoof

FREQUENCY FREQUENCY

NORMAL

SUB

WOOF

20 Hz

CH-2

200 Hz 20 Hz

SUB

WOOF

200 Hz

CH-1

2

3

1

NORMAL

BRIDGE

STEREO

PARALLEL

CH-2 CH-1

PUSH TO RESET

O

C

K

PINOUT

CH- 2

1+ 1-

POS NEG

C H-2

INPUT BALANCE

CH- 1

PINOUT

CH- 2 BRIDGE

1+ 1-

POS NEG

2+ 2-

POS NEG

1+ 2+

POS NEG

C H-1

O

C

K

_

INPUT THRU

CH-2

_

BRIDGE

MONO

+

2 OHM PER CHANNEL

+

4 OHM BRIDGE

+

~120V 60 Hz

4200 WATTS

_

Made in Taiwan

S/N.:

Figure

22

Parallel Subwoofer Mode Speaker Set-Up

page 12

STEREO

BRIDGE PARALLEL

Use either the bare wire or the banana jacks

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly Operating Modes

Protection

Features Specifications

PROTECTION

LIMITER -

The

NA-13600/NA-17600/NA-21600

amplifiers comes with a built in limiter. When the input signal overloads, the “CLIP LED” indicates a signal overload, at this time, the volume should be lowered to reduce distortion. If the input gain level is not reduced the built-in limiter will activate. During signal overload, the limiter will reduce the input audio signal enough to minimize the amount of clipping. A limiter takes the gain of an overloading signal and reduces it, the reduction in gain reduces distortion that can cause damage to your speakers and amplifier. During normal operation below clipping, and momentary clips on peaks, the limiter does not affect the audio signal and is inaudible. It will allow brief clipping of peaks and will only activate when continuous hard clipping occurs. During excessive clipping the limiter will reduce the audio signal enough to minimize the amount of clipping. When the input signal decreases enough that clipping ends, the limiter will deactivate and cease its gain reduction. The limiter has a fixed threshold and can not be adjusted.

SAFE POWER LEVELS AT DIFFERENT OUTPUT LOADS:

8-Ohm Loads :

The amplifier can operate at its rated power level without risk of overheating. However, it may caused excessive temperature if it is pushed hard enough to continually light the “CLIP” indicator, the amplifier’s average output power can reach its maximum peak.

4-Ohm Loads :

If the “CLIP” indicator flashes occasionally, the amplifier is approaching its Maximum long-term power capacity. If it is lit about half the time, the amplifier channel will probably go into thermal protection within a few minutes.

2-Ohm Loads :

Except for an occasional flash, keep the “CLIP” indicator dark to avoid overheating the amplifier channel. Clipping should be kept to a reasonable minimum. An amplifier’s peak current draw at full output power into 2 ohms is several times what the “normal ” draw is, but its various protection circuits will prevent this condition lasting more than a minute or two.

SHORT CIRCUIT PROTECTION -

The NA-13600/NA-17600/NA-21600 amplifiers comes with built-in Output Short Circuit

Protects. The Output Short Circuit Protection protects the output devices of the amplifier from short circuits and stressful loads. If your speaker lines shorted, the amplifier automatically detects this problem and discontinued operation for that channel. If one side of your amplifier becomes shorted and goes into protect mode, the other side will continue to operate normally. During short circuit protection, the "CLIP" LED and “PROTECT” LED will light simultaneously indicating amplifier fault. Channel output during the “Short Circuit

Protection" will be interrupted (i.e. no sound output). Short Circuit Protection can usually be traced back to the signal output line (i.e. speaker line). Check the line from the output terminal of the amplifier to the speaker. If this line is good, check the internal speaker connections and components. A short circuit will usually be traced to a bad cable or a bad speaker component and is rarely traced to the amplifier itself.

Figure 23

THERMAL PROTECTION -

Dual 2-speed fans on the NA-13600/NA-17600/NA-21600 amplifiers provide adequate cooling. During low level output the fans run at normal speeds. During high output and as heat raises, (exceeding 50°C.), the fans will run at higher speeds to aid the cooling process. If the heatsink temperature exceeds 91°C., the amplifier will mute until the amplifier cools down. When the amplifier cools below 90°C., the amplifier will return to normal operations. Be sure not to operate your amplifier below the minimum load ratings to reduce the risk of overheating problems.

page 13

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly Operating Modes

Protection Features

Specifications

INPUT/OUTPUT PROTECTION -

The input circuits are isolated by resistors. An ultrasonic network uncouples RF from the output and helps to keep the amplifier stable with reactive loads.

OPERATING VOLTAGE (AC MAINS) -

On the rear panel will indicate the correct AC mains voltage. Connecting to the wrong voltage is dangerous and may damage the amplifier. Always be sure the source voltage for your areas matches the required voltage for your amplifier.

GAIN CONTROLS -

The gain controls are located on the front panel and are calibrated in 2dB of attenuation from full gain. It is best to a d j ust the amplifier so no “hissing” is heard from speakers with no music being played, this will ensure the lowest possible distortion d u ring normal operation.

AMPLIFIER FEATURES:

THRU -

THRU will allow the user to daisy-chain one amplifier’s signal input into another amplifier. Plug the signal source outputs into the first amplifier’s input, patch from the amplifier’s THRU jacks to the next amplifier’s input, and so on, daisy-chaining as many amplifiers as there is no excessive level loss.

GROUND LIFT SWITCH (NA-13600 only) -

Applying or lifting the ground switch will change level for background noise and hum, if the noise level remains the same in either position, better to keep the ground lift switch in the ground position. This will eliminate 50Hz/60Hz cycle hum that is sometimes induced when mounting several units in the same rack.

LED INDICATORS -

Each channel has six LEDs. Four LEDs indicate signal level activity; two green LEDs and two yellow LEDs. One red LED indicates signal clipping and one red LED indicates protection’s mode for short/overload.

FUNCTION INDICATORS -

These green and blue LED indicators detail the amplifiers current operating mode (Parallel, Stereo, or Bridge).

page 14

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly Operating Modes Protection Features

Specifications

SPECIFICATIONS

R.M.S. Output Power 2 Ch Driven

2ohms/4ohms/8ohms

1KHz 1% THD

R.M.S. Output Power Bridged Mono

4ohms/8ohms

1KHz 1% THD

Maximum RMS Voltage

Input Sensitivity

Amplier Gain

Frequency Response (20Hz~20KHz)

Total Harmonic Distortion

IMD-SMPTE(60Hz, 6KHz)

Crosstalk @ 1KHz

Slew Rate

Damping Factor

Signal To Noise Ratio below rated power 20Hz to 20KHz,

A-Weighted

Power Consumption

@ Maximum Output Power 8ohms

Output Circuitry

Fan

Dimensions ( H x W x D )

Weight

Rack Space

NA 13 600

2ohms 1200W

4ohms 1000W

8ohms 620W

2400W/2000W

70.4V

0.9V

39.1dBu

±0.2dB

<

0.025%

<0.005%

>

-

60 dB V 0dBV=0.775V

>40v/us

> 60 0

>100dB

1380W

12

.

54A@110V

CLASS AB

Dual 2-speed fans and heatsinks

133 x 483 x 405 mm

25.3 kg

3U

NA 176 00

2ohms 1600W

4ohms 1400W

8ohms 840W

3200W/2800W

81.9V

1

.

1V

39.4dBu

±0.2dB

<0.0

2 %

<0.005%

>

-

6 0dB V 0dBV=0.775V

>39v/us

> 550

>100dB

1920W

17

.

45A@110V

CLASS H

Dual 2-speed fans and heatsinks

133 x 483 x 405 mm

29.2kg

3U

NA 216 00

2ohms 2990W

4ohms 2000W

8ohms 1200W

5980W/4000W

97.9V

1

.

2V

42.1dBu

±0.2dB

<0.0

2 %

<0.003%

>

-

65 dB V 0dBV=0.775V

>42v/us

> 400

>

100dB

2680W

24

.

36A@110V

CLASS H

Dual 2-speed fans and heatsinks

133 x 483 x 405 mm

32.5kg

3U page 15

UNiKA NA-13600/NA-17600/NA-21600

Introduction Front Panel Rear Panel Set Up Speakon Assembly Operating Modes Protection Features Specifications page 16

UNiK A

Professional Power Amplif iers

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