American Audio Amplifier V 1000 Plus User Manual

							TYPICAL MONO BRIDGE SET-UP
SPEAKERS
8 OHM MINIMUM
Typical Stereo Output Connections
Diagram 14
Diagram 13SPEAKERS
4 OHM MINIMUM
SPEAKERS
4 OHM MINIMUM
1000 WATTS
BRIDGE
MONO 120V~60Hz
6AMP
CAUTION4 OHMS MINIMUM IMPEDANCE PRE CHANNEL
4 OHMS MINIMUM IMPEDANCE IN MONO BRIDGE MODE
OUTPUT
INPUTCH 1
WARNING:  TO REDUCE  THE
RISK OF FIRE OR ELECTRICAL
SHOCK DO NOT EXPOSE  THIS
EQUIPMENT T O RAIN OF MOIS-
TUREA VIS: RISQUE DE CHOC ELECT-
TRIQUE - NE P AS OUVRIR.
P2P3 P1+- +
-+
-+
CH 1
CH 2
PROFESSIONAL POWER  AMPLIFIER
STEREO BRIDGE
INPUTCH 2
1000 WATTS
BRIDGE
MONO 120V~60Hz
6AMP
CAUTION4 OHMS MINIMUM IMPEDANCE PRE CHANNEL
4 OHMS MINIMUM IMPEDANCE IN MONO BRIDGE MODE
OUTPUT
INPUTCH 1
WARNING:  TO REDUCE  THE
RISK OF FIRE OR ELECTRICAL
SHOCK DO NOT EXPOSE  THIS
EQUIPMENT T O RAIN OF MOIS-
TUREA VIS: RISQUE DE CHOC ELECT-
TRIQUE - NE P AS OUVRIR.
P2P3 P1+- +
-+
-+
CH 1
CH 2
PROFESSIONAL POWER  AMPLIFIER
STEREO BRIDGE
INPUTCH 2
Use Channel 1 Inputs Only
American Audio®  -  www.americandj.com  -  Vplus Series Amplifiers Power Amplifier User Manual  Page 11
V1000plus™ shown in illustration
V1000plus™ shown in illustration 
						

							1234
Typical Stereo Set-Up
Typical Mixer
V3000plus series (Rear View)
Typical Speaker
Connect to Vplus series Channel One 
Output
Typical Speaker
Connect to Vplus series Channel Two 
Output
Diagram 15
American Audio®  -  www.americandj.com  -  Vplus Series Amplifiers Power Amplifier User Manual  Page 12 
						

							OPERATING MODES:
Stereo Operation - Page 10/Figure 9 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 (full counter-clockwise). Turn your amp on. Turn your input source level up. Use your front gain controls to regu-
late 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 9/Figure 8 details a mono bridge set-up. Be sure your amplifier and all other audio equipment is pow-
ered  down.  Flip  the  Stereo/Mono  Bridge  switch  to  the  Mono  Bridge  position.  Connect  an  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. Turn channel two gain up. Use the channel one gain to regulate 
your amplifier output.
Bridged-Mono Mode Caution - The voltage across the output terminals of a bridged Vplus series amplifier may equal or exceed 100 
volts RMS and may be as high as 130 volts. Use fully insulated CLASS ONE wiring, and the load must be rated for up to 2500 watts 
(@4 ohms)
PROTECTION:
LIMITER - The Vplus series comes with a built in limiter. When the input signal overloads, the “CLIP LED’s” indicate a signal overload, 
at this time, the master volume should be lowered to reduce distortion. If the input gain level is not reduced the built-in limiter will acti-
vate.  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 clip-
ping 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  practically  any  power  level  without  risk  of  overheating.  However,  if  it  is  pushed  hard 
enough to continually light the “CLIP ” indicator, the amplifier’s average output power can reach 150 watts.
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  Vplus  series  amplifiers  all  come  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  short,  the  ampli-
fier automatically detects this problem and discontinues operation for that channel. If one side of your amplifier becomes shorted and 
American Audio®  -  www.americandj.com  -  Vplus Series Amplifiers Power Amplifier User Manual  Page 13 
						

							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.  All  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  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.
Thermal  Protection  - A  single  variable-speed  fan  on  the  V1000plus  and  dual  variable  speed  fans  on  the  V2000plus  and  V3000plus 
amplifiers  provide  adequate  cooling.  During  low  level  output  the  fans  run  at  normal  speeds.  During  high  output  and  as  heat  raises, 
(exceeding 90°C.), the fans will run at higher speeds to aid the cooling process. If the heatsink temperature exceeds 91°C., the ampli-
fier  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.
Input/Output  Protection  - The  input  circuits  are  isolated  by  10k  resistors.  An  ultrasonic  network  uncouples RF from  the  output  and 
helps keep the amplifier stable with reactive loads.  
Operating  Voltage  (AC  Mains)  -  The  serial  number  label  indicates  the  correct  AC  main  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 
adjust the amplifier so no “hissing” is heard from speakers with no music being played, this will ensure the lowest possible distortion 
during normal operation.
Low Cut Filter (V2000 and V3000 Only) - The low-cut filter removes extremely low frequencies from the audio signal that could cause 
speaker distortion or damage. The dip switches on the rear panel allows you to enable or disable the filter for each channel, as well as 
adjust either a 50Hz or 30 Hz cut-off. Always use the 50 Hz filter setting if you are using the amplifier to drive a distributed line system 
(also known as a constant-voltage line, 70 volt line, etc.). The dip switches on the rear panel allows you to configure the low cut filter. 
The diagram below detail the functions of each dip switch, the functions are also printed on the rear panel of the amplifier.
CH. 1           CH.2
1 Low Cut 3 ON=30Hz    On/Off                OFF=50Hz
2  ON=30Hz       4 Low Cut    OFF=50Hz              On/Off
1234
OFF
ON
Configuring the Low Cut Filter:
Activating Low Cut Filters - Dip switches 1 and 4 activate and deactivate the Low Cut Filter. Channel 1 filters is 
control by dip switch 1 and channel 2 filter is controlled by dip switch 4.
Low Cut Frequency Selector - When the Low Cut Filter is activated, dip switches 2 (channel 1) and 3 (channel 
2) will control the frequency roll-off. When dip switches 2 and 3 are in the "ON" the filter will cut off frequencies 
at and below 30Hz, when these dip switches are in the "OFF" position the filter will cut off frequencies at and 
below  50Hz. Please  note: Each  channel  operates  independently  of  each  other  allowing  each  channel  to  have 
different filter settings. 
American Audio®  -  www.americandj.com  -  Vplus Series Amplifiers Power Amplifier User Manual  Page 14 
						

							Output Power:
2 ohms, 1 khz 1%   THD
4 ohms, 1khz, 1%   THD
8 ohms, 1khz 1%   THD
(Bridge Mode, mono)
4 ohms, 1khz, 1%   THD
8 ohms, 1khz, 1%   THD
Dimensions &  Weight:
Height
Width
Depth
Weight
Frequency Response:
+/- 1db, 1w RMS. 8 ohms
+/- 0.2 db, @ rated output, 
8 ohms
Hum & Noise:
Below rated output, 8 ohms
Cooling System:
V-SERIES AMPLIFIER SPECIFICATIONS
MODEL NO:
   
 
315w RMS Per Ch.
245w RMS Per Ch.
170w RMS Per Ch.600w RMS
510w RMS
Less than 0.1%
1.5v rms
3.5" (8.8cm)
19" (48.3cm)
15.9" (40.5cm)
26.4 lbs. (12kg)
10 Hz - 40 kHz
20 Hz - 20 kHz
100 dB, unweighted 5A @ 120v AC 
1 Dual Speed Fan and Heatsinks
V-1000 PLUS 
   
V-2000 PLUS
650w RMS Per Ch.
450w RMS Per Ch.
280w RMS Per Ch.
1290w RMS900w RMS
Less than 0.1%
1.0v RMS (0 dBv) 3.5" (8.8cm)
19" (48.3cm)
15.9" (40.5cm)
30 lbs. (13.6kg)
10 Hz - 40 kHz
20 Hz - 20 kHz
100 dB, unweighted 7A @ 120v AC
2 Dual Speed Fan
s
and Heatsinks
 
    
 
    
Total Harmonic Distortion:
20Hz-20kHz, @ rated 
output power, 8 ohms
Input Sensitivity and 
Impedance: @ rated 
output power, 8 ohms
Power Consumption: @
rated output power, 8 ohms
V-1500
N/A
280w RMS Per Ch.
200w RMS Per Ch.
N/A
600w RMS
Less than 0.1%
1.5v rms
1.75" (4.4cm)
19" (48.3 cm)
15.25" (40cm) 
25 lbs. (10.5kg)
10 Hz - 40 kHz 20 Hz - 20 kHz
100 dB, unweighted 8A @ 120v AC 
and Heatsinks
1 Dual Speed Fan
V-4000 PLUS
1400w RMS Per Ch.
1010w RMS Per Ch.
600w RMS Per Ch.
2500w RMS
1650w RMS
Less than 0.02%
1.0v RMS (0 dBv) 5.25" (13.3cm) 19" (48.3cm)
15.9" (40.5cm)
61.7 lbs. (28kg)
10 Hz - 40 kHz
20 Hz - 20 kHz
100 dB, unweighted 20A @ 120v AC
2 Dual Speed Fan
s
and Heatsinks
V-3000 PLUS
960w RMS Per Ch.
690w RMS Per Ch.
440w RMS Per Ch.
1450w RMS
Less than 0.1%
1.0v RMS (0 dBv) 3.5" (8.8cm)
19" (48.3cm)
15.9" (40.5cm) 31 lbs. (14kg)
10 Hz - 40 kHz
20 Hz - 20 kHz
100 dB, unweighted 10A @ 120v AC
2 Dual Speed Fan
s
and Heatsinks 1930w RMS
American Audio®  -  www.americandj.com  -  Vplus Series Amplifiers Power Amplifier User Manual  Page 15 
						

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Tel: 323-582-2650 / Fax: 323-582-2610
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