Power sous ik
Owner’s manual
CGofhrc Serres
OV2-300 / OV2-400 / OV2-520 / OV2-820
OV2-1200 / OV2-1600 / OV4-600 / OV4-800
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INTRODUCTION ` |
Amplifier provide high-performance sound reinforcement for you mobile audio equipment.
It's versatility enables compatibility with optional Equalizers, Frequency Dividing Network
Crossovers, and other audio processors in a customized system. The Multi-Mode bridging
capabilities allow flexibility in hosting several different speaker configurations.
To achieve optimum performance, it is highly recommended that you read this Owners
Manual defore beginning installation.
FEATURES
* THERMAL / SHORT / OVER LOAD PROTECTION
* PEARL SILVER FINISH
* 2 OHM STEREO / 4 OHM MONO
* P.W.M MOSFET POWER SUPPLY
* POWER & DISTRESS INDICATOR
* SELECTABLE X-OVER HPF / FULL / LPF
* 18 dB. BASS BOOST WITH SWITCH SUB (45H27)
* VARIABLE HI-PASS AND LOW PASS (40Hz-250h7)
* GOLD PLATED TERMINAL STRIPS / RCA JACKS
* HEAVY DUTY HEAT SINK
* ADJUSTABLE INPUT SENSITIVITY
* SOFT DELAYED REMOTE TURN-ON
* LOW LEVEL INPUTS
* PHANTOM CHANNEL FOR POWERING CENTER SPEAKER OR SUBWOOFER
WARNING
High powered audio systems in a vehicle are capable of generating “Live Concert” high
levels of sound pressure, Continued exposure 1o excessively hgh volume sound levels may
cause hearing loss or damage. Also, operation of a mater vehicle while listening to audio
equipment at high volume levels may impair your ability to hear external sounds such as;
horns, warning signals, or emergency vehicles, thus constituting to a potential traffic hazard.
In the interest of safety, Consumer Electronics recommends listening at lower vilume levels
while driving.
PLANNING YOUR SYSTEM
Before beginning ihe installation, consider the following:
a. If you plan to excand your system by ada ng other components somrime in the future,
ensure adequate space is left, ond cooling requiremenis are met.
5, Should you use high or low inputs?
Your Amplifier has been designed to accept either High-Level (speaker outputs from your
radio) or Low-Level (Pre-Amp outputs from your radio) signal source.
If your radio/source is equipped with Pre-Amp outputs, it is possible to utilize them to drive
the Amplifier and connecting (Amplifier) to the 2 rear speakers. Then, use the built-in
power of your radio to drive the 2 front speakers.
NOTE:
DISTORTION { EVEL IS CONSICERABLY LOWER FROM PRE-AMP (LOW LEVEL) QUTPUTS. THAN SPEAKER
(HIGH LEVEL) OUTPUTS.
C. Are your components matchea? The peak power rating of your speakers must be equal
or greater than the Amplifier's, They also must be 2-8 Ohms limpedance (This information
os normally printed on the speaker magne!).
d. Consider both the length of your leads, and routing when determining the mounting
location, Pre-Amp input Jacks reauir a length of high quality shielded male to male RCA
patch cord.
MOUNTING YOUR AMPLIFIER
[ne mounting position of your Amplifier will have a great effect on its ability to dissipate the
heat generated during normal operation. It has ample heat sink for heat dissipation, and
also designed with a thermal shut-down (for heat protection) circuit, making air to be
directed over the cooling fins will improve heat dissipation dramatically. DO NOT enclose
the amplifier in a small box of cover it so that air connot flow around fins.
Temperatures in cor trunks have been measured as high as 175 F(80'c) in the summer time.
since the thermal shut-down point for the Amplifier Is 185°F(85'c) it is easy to see that it must
be mounted for moximum cooling capability. To achieve maximum advantage of
convection dis flow in an enclosed trunk, mount the amplifier in a vertical position, on a
vertical surface.
Cooling requirements are considerably relaxed when mounting inside "ne passenger
compartment since the driver will not often allow temperatures to reach a critical point.
Floor mouniing under the seat is usually satisfactory as long as there Is at least 1 inch(2ecm)
above the Amplifier’s fins for ventilation.
a. Select ¢ suitable location that is convenient for mounting, is accessible for wiring, and
Nas ample room for air circulation and cooling.
D. Use the amplifier os à template to mark the mounting holes. Remove the Amplifier and
drill 4 noles. use extreme caution, inspect underneath surface before drilling.
c. Secure the Amplifier using the screws provided.
-3-
WIRING CONNECTIONS | |
A. CONNECTING THE POWER (Fig. 1)
CAUTION:
AS A PRECAUTION, IT IS ADVISABLE TO DISCONNECT THE VEHICLE'S BATTERY BEFORE MAKING CONNECTON
TO THE +12 VOLTS SUPPLY WIRING .
4/8 GAUGE(Thicker if planning for additional Amplifiers) wire is recommended both the
power and ground wires. 12 Gauge, for the remote ture-on wire. Both types are
available at most Mobile Audio Dealers or Installation Shops.
(1) SROUND: To Vehicle Chassis
To avoid unwanted ignition noise caused by ground loops, it is essential that the
Amplifier be grounded to a clean, bare, metal surface of the vehicles chassis.
NOTE:
GROUND WIRE SHOULD NOT BE EXTENDED MORE THAN 3 FT.(1 METER),
(2) +12Volt(Fused) Constant Power: To Battery (+)
Due to the power requirements of the Amplifier, this connection should be made
directly to the positive (+) terminal of battery. For safety measure, install an in-line Fuse
Holder (not included) as close to the battery positive (+) terminal as possible with an
ampere rating: not to exceed total value of fuses in Amp.
O0V2-300:15A /0V2-400:25A/0V2-520:40A/0V2-820:25Ax2/0V2-1200:30Ax2
OV2-1600:25AX3 OVa-600:40A/ OVA-800:25Ax?
(3) Remote Turn-One Input : To Power Antenna output of Car Stereo
This Amplifier is turned "ON remotely when the vehicle's stereo is turned “ON”.
NOTE:
IF YOUR RADIO DOES NOT HAVE +12 VOLT QUTPUT LEAD WHEN THE RADIO IS TURNED ON,
THE "REM" TERMINAL ON THE AMPLIFIER CAN BE CONNECTED TO VEHICLES ACCESSORY CIRCUIT THAT IS LIVE
WHEN THE KEY IS "ON"
OV2-300/ OV2-400/ OV2-520/ OV2-820
OV2-1200/0V2-1600/ OV4-600/ OV4-800
Remote Tum-ON 6
connected los Radio's power
antenna lead or a twlichable + 12V
-4-
D.
. VARIABLE LOW-PASS FILTER (40Hz-250Hz)
For use as a dedicated subwoofer channel, set filter switch to "LPF". Adjust variable
crossover frequency with control as desired. The amplifier input circuit filters out
everything above 40..... 250Hz (dependent on the adjustment of the frequency control),
so only the deepest bass notes are amplified.
. VARIABLE HIGH-PASS FILTER (40Hz-250H2)
For use as a dedicated mid high rangd channel, set filter switch to “HPF”. The input
circuit filters out all frequencies below 40Hz....250Hz.
BASS BOOST
By using the bass boost function the deepest bass notes at 45Hz are emphasized.
. CONNECTING HIGH LEVEL INPUTS (Fig.2)
NOTE:
DO NOT CONNECT THESE HIGH LEVEL INPUT WIRES IF YOU ARE USING THE LOW LEVEL INPUT RCA JACKS.
CAUTICN
NOTE THAT ONLY POSITIVE (+) WIRES ARE USED. DO NOT CONNECT SPEAKER NEGATIVES
OV2-300/ OV2-400/ OV2-520/ OV2-820/ OV2-1200/ OV2-1600
CHASSIS GROUND-Block
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OV4-600/ OV4-800
CHASSIS GROUND-8lack
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3 CH(-)-GREEN/Black
1 CH(+)-White 3 CH(+)-GREEN
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5-
F. CONNECTING LOW LEVEL INPUTS (RCA Jacks)
NOTE:
DO NOT USE IN CONJUNCTION WITH HIGH LEVEL INPUT WIRES.
Wire routing is CRITICAL for NOISE FREE PERFORMANCE. Observe the following:
1. Always use high quality RCA type shielded cables.
2. Always use the shortest lenght possible, If the cable is too long, make an “S” type
loop (not a coiled loop) in the center of the cable to take up any excess.
3. Never cut the shielded cable and re-splice it.
4, Never route any Amplifier input cables near or parallel to speaker outputs, high
energy ignifion wires, or near computer controlled ignition circuit units Computer
units may be found behind or under the dash panel in late model cars).
POWER INDICATOR LED
This METER LAMP will illuminate when the amplifier is turned “ON”, If it fails to illuminate,
check the power connections to the Amplifier and fuses.
PROTECTION CIRCUIT
Should the Amplifier be "SHORT CIRCUITED” overloaded or overheated, the protect
circuit will “SHUT-DOWN” the Amplifier.
CAUTION
THIS AMPLIFIER IS DESIGNED TO OPERATE WITH A MINIMUMLOAD IMPEDANCE OF 2 OHMS IN STEREO,
OR 4 OHMS IN MGNO BRIDGED, MULTI-MODE) CONFIGURATION.
SUBJECTING TO IMPEDANCES LOWER THAN RECOMMENDED, MAY CONSTITUTE TO POTENTIAL DAMAGE TC THE
MOSFET POWER SUPPLY. FOLLOW INSTRUCTIONS ON SECTION. "WIRING CONNECTIONS” FOR FURTHER
INFORMATION.
INPUT SENSITIVITY (LEVEL) CONTROL (Fig.3)
In order to achieve maximum signal-to -noise performance, this control adjusts the signal
level from your Car Stereo/Source, to match the Amplifier's sensitivity. It is NOT a volume
control.
To adjust, proceed as follows:
a. Set INPUT LEVEL Control at mid-point.
b. Listen for audible distortion as you increase the Car Stereo VOLUME control. If none
Is heard, tun the adjustment level control toward to “MAX” in stages, until the onset of
audible distortion is heard, then decrease to “MIN” level prior to the immediate
point of audible distortion.
c. If distortion is immediately heard, turn control to “MIN” until the soundis clear,
NOTE:
NOT PERFORMING ABOVE ADJUSTMENT PROCEDURE AND/CR SIMPLY SETTING THIS CONTROL AT OR NEAR
“MAX” POSITION, MAY INDUCE ELECTRICAL AUDIO NOISE INTO THE SYSTEM.
OV2-300/ OV2-400/ OV2-520/ OV2-820/ OV2-1200/ OV2-1600
LINE INPUT FIINPUT
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OV4-600/ OV4-800
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CONNECTING THE SPEAKERS
OV2-300/ OV2-400/ OV2-520/ OV2-820/ OV2-1200/ OV2-1600
(A) STEREO MODE
$PEAREN coureur
POWER INFUT
GHT CHANNEL
LEFT CHANNEL
24 Our 24 5nm
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(B) MONO MODE
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-8-
(C) TRI MODE
TRI MODE OPEATIONAL OUTPUT allows a Crossover (Subwoofer) to be operated in MONO
mode while the main speakera are playing in Stereo,
Leave the Crossover (Subwoofer) switch on “Full” position.
Use a 100 Volt, non-polar capacitor for a high pass crossover and a wire coil (inductor) to
block high frequencies from the Crossover (Subwoofer) as shown in the figure below.
Capacitor and inductor values as written in the below determine the crossover
frequencies.
The front and rear channels of this amplifier get this capability.
Only the rear left and right channels are shown below,
INDUCTOR
LOW PALS FILTER
APE AI
ER Ol
RIGHT CHANNEL
+8 Ohm
HIGH DASS NI TER
COMPONENT VALUES FOR 6dB PASSIVE CROSSOVER
FREQUENCY | INDUCTOR | CAPACITOR
80 Hz 7.5 mH 470 uF
| 100 Hz 6.5 mH 330 UF
120 Hz 5,5 mH ssour
150 Hz 4 mH 220 UF |
9-
Model: OV4-600 /OV4-800
(A) À CHANNEL MODE
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POWER INPUT || reser OUTPUT
FUSE
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CH PT = 4CH
2-4 Ohm > т 2-4 Ohm
2CH : — — 1 3CH
24 Cum - т J 2-4 Ohm
(BY 3 CHANNEL MODE
(C) 2 CHANNEL MODE
POWER INPUT
BRIDGE = LA“ BAIDSE
40hm |A y 4 Chm
-10-
(D) 6 CHANNEL MODE
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POWER INPUT
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ACTOR
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LEFT
WCCTFER
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COMPONENT VALUES FOR 6dB PASSIVE CROSSOVER
FREQUENCY INDUCTOR | CAPACITOR
80 Hz 7.5 mH 470 uf
100 Hz 6.5 MH 330 UF
120 Hz 5.5 mH 330 UF
150 Hz 4 mH 220 uF
1 1-
TROUBLE SHOOTING GUIDE
SYMPTOMS CHECK POINTS CURE
In the power Check fuses in amplifier.
NO SOUND METER LAMP Be sure Turn-on lead is connected
luminated? Check signal leads. Check gain
control.
Check Tuner/Deck volume level.
Clean contacis on fuse holders.
Is the Diagnosic Check for speaker short or
LED illuminated? amplifier overheating.
AMP NOT No power to power wire Repair power wire or connections.
SWITCHING
ON No power to remote
wire with receiver on Check connections to radio.
Fuse broken Check fuse
NO SOUND Check Speaker Leads Inspect for short circuit or an
IN ONE open connection.
CHANNEL
Check Audio Leads Reverse Left and Right RCA inputs
to determine if it is occurring
before the amp.
AMP Check speaker load Be sure proper speaker load
TURNING OFF impedance impedance recommendations
MEDIUM/HIGH are observed,
VOLUME
(If you use an ohmmeter to check
speaker resistance, please
remember that DC resistance and
AC impedance may not be the
same.)
PROTECTION Temperature shutdown Turn radio down
LAMP ON
Speaker wires short circuit
Separate speaker wires and insulate
-12-
— WARNING |
Investigate the layour of you automobile thoroughly before drilling or cutting any holes.
Take care when you work hear the thanks, lines, or hydraulic lines, and electrical wiring.
Don't mount this system so that the wire connections ate unprotected are subjectto
pinching or damage from nearby objects.
The + 12V DC power wire must be fused at the battery positive terminal connection.
Before making or breaking power connections at this ststem power terminals, disconnect
the +12 V wire at the battery end.
Confirm your radio/cassette player and/or other equip is turned off while connecting the
input jacks and speaker terminals.
If you need to replace the power fuse, replace it only with a fuse identical to that
supplied with the system. Using a fuse of different type or rating may result in damage to
this system which isn't covered by the warranty.
-13-
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