ETI Sound Systems, INC LG-200AS Stereo Amplifier User Manual

1
FRONT PANEL VIEW
STEREO CHORUS
POWER
IMPORTANT SAFETY
INFORMATION
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Read these instructions.
Follow all instructions.
Keep these instructions.
Heed all warnings.
Do not use the LG-200AS near
water.
Clean only with a dry cloth.
Do not block any ventilation openings. Use in accordance with the
manufacturer’s instructions.
Do not use near any heat sources
such as radiators, stoves, or other
devices that may produce heat.
Do not defeat the safety purpose of
the polarization or grounding-type
plug. A polarized plug has two
blades with one wider than the other.
A grounding-type plug has two
blades and a third grounding prong.
The wide blade or the third prong is
provided for your safety. If the provided plug does not fit your outlet,
consult an electrician for replacement of the obsolete outlet.
Protect the power cord from being
walked on or pinched, particularly at
the plug and the point where it exits
the LG-200AS amplifier.
Only use attachments / accessories
specified by B-52 Pro-Audio.
Unplug the LG-200AS during lightning storms or when un-used for long
periods of time.
Refer all servicing to qualified
personnel. Servicing is required
when the LG-200AS has been damaged in any way such as when
power-cord or plug is damaged,
liquid has been spilled, been
exposed to moisture or rain, does not
operate normally, or has been
dropped.
To reduce the risk of fire or electric
shock, do not expose the LG-200AS
to rain or moisture.
ON
LG-200AS
DEPTH
3
4
5
10
0
10
0
MASTER
REVERB
6
7
GETTING TO KNOW YOUR LG-200AS
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Power Switch: Turns the amplifier ON or OFF
Phones: Connects a stereo headphone
Rate: Adjusts stereo chorus rate
Depth: Adjusts stereo chorus depth
On/off: Turns stereo chorus on/off
Master: Controls the overall signal level of the guitar amplifier
Reverb: Adjusts the reverberation effect
Clean Channel Treble: Adjusts the amount of high frequency
boost or cut as desired in the clean channel
Clean Channel Middle: Adjusts the amount of mid frequency
boost or cut as desired in clean channel
Clean Channel Bass: Adjusts the amount of low frequency boost
or cut as desired in clean channel
Clean Channel Level: Controls the complete signal of the
clean channel
Channel Switch: Selects between clean and overdrive channel
(LED for Overdrive Channel indicates when O.D. is in use.
LED for Clean)
(9)
(10)
(11)
(12)
REAR PANEL VIEW
FOOT SWITCH
LEVEL
22
(22)
(23)
(24)
(25)
(26)
(28)
(29)
0
10
0
(27)
2
10
0
RATE
2
1
10
0
PHONES
ON
RETURN
23
10
LEVEL
24
SEND
25
0
REVERB
STEREO
CHORUS
CHANNEL
GAIN
26
27
LINE OUT
28
10
LEVEL
29
Send Level: Controls the sending signal level.
Send Jack: Connects the guitar amplifier to input of an effects unit.
Return Level: Controls the returning signal level.
Return Jack: Connects the guitar amplifier to out put of an effects
unit.
Footswitch Jack: Connects a footswitch to switch reverb ON
and OFF.
Footswitch Jack: Connects a footswitch to select clean/overdrive
channel and gain1/gain2 channel.
Line Out Jack: Connects a unit with line level input, e.g. mixer.
Level Control: Controls the Line Out Level.
CA
RE
WA
OR
TH
FRONT PANEL VIEW
CLEAN CHANNEL
OVERDRIVE CHANNEL
CH. SEL.
10
0
TREBLE
10
0
MIDDLE
0
10
BASS
0
10
GAIN SW.
0
LEVEL
10
LEVEL
0
10
10
0
0
10
TREBLE
MIDDLE
BASS
14
15
16
9
(13)
(14)
(15)
(16)
(17)
(18)
(19)
10
0
10
10
0
GAIN2
GAIN1
18
19
20
INPUT
17
12
8
10
0
CONTOUR
13
11
Overdrive Channel Level: Controls the complete
signal of the overdrive channel.
Overdrive Channel Treble: Adjusts the amount
of high frequency boost or cut as desired in the
overdrive channel.
Overdrive Channel Middle: Adjusts the amount
of mid frequency boost or cut as desired in
overdrive channel.
Overdrive Channel Bass: Adjusts the amount of
low frequency boost or cut as desired in overdrive
channel.
Gain Switch: Selects Gain 1 or Gain 2 in O.D.
channel.
Contour: Adjusts the overall tone quality of Gain
2 channel. Low Contour setting emphasize middle
CAUTION A higher setting will notch the midfrequency.
RISK OF ELECTRIC SHOCK
range
DO NOTto
OPENproduce the crunch sound characteristic
in most heavy metal sound.
Gain 2: Adjusts the amount of distortion in Gain 1
(20)
(21)
21
channel (LED for Gain 2 indicates when Gain 2
channel is in use).
Gain 1: Adjusts the amount of distortion in Gain 1
channel (LED for Gain1 indicates when Gain 1
channel is in use).
Input: Connects the electric guitar.
AMPLIFIER PRECAUTIONS
Do not attempt to service the LG-200AS by
yourself. Refer all servicing to a B-52
Authorized dealer. Service is required when
the LG-200AS has had liquid spilled on it or
has been damaged in any way, the amplifier
has been exposed to rain or moisture, does not
operate normally or has been dropped.
REAR PANEL VIEW
CAUTION
MONO
LEFT
RIGHT
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AUTION - TO REDUCE THE RISK OF FIRE,
EPLACE ONLY WITH THE SAME TYPE OF FUSE.
ARNING: TO REDUCE THE RISK OF FIRE
R ELECTRICALSHOCK, DO NOT EXPOSE
HIS EQUIPMENT TO RAIN OR MOISTURE
MINI LOAD
TOTAL 8 OHM
30
(30)
BRIDGE
31
STEREO
32
Mono Speaker Jack: Connects the external
speaker mono signal at with a minimum impedance
of 8 ohms.
(31)
Bridge switch: Switches amplifier to bridge mode
(32)
Stereo switch: Switches amplifier to stereo
(33&34) External Speaker Jacks: Connects the external
speaker(s) with a minimum impedance of 4 ohms.
(35)
Ground-Lift: Remove ground from the circuit to
eliminate excessive 60 cycle hum.
(36)
Fuse Holder: Contains primary fuse
(37)
AC Inlet: Connects AC power cord.
MINI LOAD
MINI LOAD
TOTAL 4 OHM TOTAL 4 OHM
33
34
LIFT
GND
35
36
37
WARNING: SHOCK HAZARD!
To reduce the risk of fire or electrical shock, do not expose
this unit to rain or moisture. Do not operate your
LG-200AS near a pool or other standing water. Make sure
all blades on the polarized power plug are fully inserted
into the power source. Ensure the powercord is not
stretched, pinched or otherwise abused. Ensure the
power cord is routed to avoid foot traffic. Your LG-200AS
amplifier should be cleaned only with a dry cloth.
3
FEATURES
WARRANTY
Thank you for choosing this B-52 Pro-Audio sound product. B-52 manufactures some of the world’s best sounding and most reliable professional speaker systems and
components. E.T.I. Sound Systems, Inc., manufacturers
of B-52, takes great pride in thoroughly testing each
B-52 product prior to shipment. Please read the warranty terms and conditions below and carefully read the provided Limited Warranty Card for additional terms and
conditions.
B-52 AMPLIFIER: E.T.I. Sound Systems, Inc. warrants
the original purchaser that the B-52 amplifier will be free
from defects in material and workmanship for a period of
(2) TWO YEARS from the original purchase date. A
dated sales receipt will establish coverage under this
warranty. This warranty will automatically terminate (2)
two years after the original sales date. If this product is
defective in materials or workmanship as warranted
above, your sole remedy shall be repair or replacement
as provided above. See provided Limited Warranty Card
for additional terms and conditions.
B-52 CABINETS: E.T.I. Sound Systems, Inc. offers a
LIFETIME warranty to the original purchaser that B-52
cabinet’s construction will be free from defects in material and workmanship. A dated sales receipt will establish
coverage under this warranty. The warranty does not
cover service or parts to repair damage caused by neglect, abuse, normal wear & tear and cosmetic appearance of the cabinetry not directly attributed to defects in
material or workmanship, or service & repair, modifications to the cabinet which has not be authorized or
approved by E.T.I. Sound Systems, Inc. If this product is
defective in materials or workmanship as warranted
above, your sole remedy shall be repair or replacement
as provided above. See provided Limited Warranty card
for additional terms and conditions.
INCIDENTAL OR CONSEQUENTIAL DAMAGE: In no
event E.T.I. Sound Systems, Inc. be liable for any incidental or consequential damages arising out of the use
or inability to use of any B-52 product, even if, E.T.I.
Sound Systems, Inc. or a B-52 dealer has been advised
of the possibility of such damages, or any other claim by
any other party. Some States do not allow the exclusion
or limitation of consequential damages, so the above limitation and exclusion may not apply to you. This warranty gives you specific legal rights and you may also have
other rights that may vary from State to State. See provided Limited Warranty card for additional terms and
conditions.
RETURN PROCEDURES: In the unlikely event that a
defect should occur, follow the procedure outlined below.
Defective products must be shipped together with a
proof of purchase, freight prepaid and insured to the
Authorized B-52 Dealer from whom you purchased the
product or directly E.T.I. Sound Systems, Inc. If a product must be returned directly to E.T.I. Sound Systems,
Inc. for warranty replacement/repair, a Return
Authorization Number (RAN) must be obtained from our
Customer Service Department prior to shipping the product. You may obtain RAN by calling 800-344-4ETI.
FOR YOUR PROTECTION: Please complete and mail
the Purchase Information Card within (10) ten days of
the date of purchase so that we may contact you directly in the event a safety notification is issued in accordance with the 1972 Consumer Product Safety Act. In
addition, we ask that you complete the brief questionnaire so me may analyze your answers and in this way,
help us evaluate our customer needs. See provided
Limited Warranty card for additional terms and conditions.
4
1/4” high input jack
■ Overdrive channel with gain 1, gain 2 with contour, 3-band EQ and level
control
■ Clean channel with level control and 3-band EQ
■ Master volume and spring reverb
Foot switch for channel select, reverb on/off, gain select & stereo chorus
on/off
■ Push switch for channel / gain select and stereo chorus on/off
■ Headphones line out
■ Effects send and return with level controls
■ Line out with level control
■ External speaker jacks
■ Ground lift switch
■ Stereo chorus with depth and rate controls
■ Stereo / bridge switch
■
SPECIFICATIONS
Output Power
Input Impedance:
Maximum Input Level:
Power Consumption:
S/N Ratio:
Affects Send:
Nominal Output Level:
Effects Return Impedance:
Optimum Input Level:
Line Out:
Phones:
Equalization:
Dimensions:
Weight:
100 + 100 watts RMS @ 8 ohms stereo
120 + 120 watts RMS @ 4 ohms stereo
200 watts RMS @ 8 ohms bridged
500K Ohms
-45dB
160 Watts
Greater Than 100 dB
Load Impedance 1K Ohm or Greater
-8 dB
100K Ohms
-8 dB
0dB / 1V RMS
60mW into 8ohm
Bass : +/- 15dB at 50Hz
Middle : +/- 10dB at 600Hz
Treble : +/- 18dB at 3KHz
28” (W) x 10” (D) x 11” (H)
41 lbs
E.T.I. Sound Systems is dedicated to product excellence and therefore continuously
attempts to improve each and every model we manufacture. This ongoing process
includes refinements in design, materials and workmanship, which may result in products that differ than those described in our literature. All features, specifications, and
prices are therefore subject to change without notice.
E.T.I. SOUND SYSTEMS, INC.
3383 Gage Avenue, Huntington Park, CA, 90255
Phone: 323-277-4100 Fax: 323-277-4108
National: 1-800-344-4ETI
Internet: www.B-52StealthSeries.com
E-mail: info@B-52PRO.com