&
PROFESSIONAL
POWER AMPLIFIERS
User Instructions
American DJ
SIG 20 10
5
CLIP PROTECT POWER PROTECT CLIP
5
10 20 SIG
ON
ON
LIMITER
channel 1
channel 2
V3000
LIMITER
I
O
PROformer Series
Professional Stereo Amplifier
American DJ
SIG 20 10
5
CLIP PROTECT POWER PROTECT CLIP
5
10 20 SIG
ON
LIMITER
ON
LIMITER
channel 1
channel 2
I
O
PROformer Series
Professional Stereo Amplifier
professional products designed for
installations and the working dj.
V3000 / V2000 MK II Power Amplifier Instructions
©American AUDIO Los Angeles, CA 90058 USA
6
10
5
9
4
8
7
American DJ
SIG 20 10
5
CLIP PROTECT POWER PROTECT CLIP
5
10 20 SIG
ON
ON
LIMITER
channel 1
channel 2
V3000
LIMITER
I
O
PROformer Series
Professional Stereo Amplifier
2
11
1
KEEP FAN
12
3
GATES CLEAN!
1: Power Switch
7: Channel 1 protect indicators
8: Channel 2 protect indicators
9: Channel 1 clip indicator
10: Channel 2 clip indicator
11: Channel 1 limiter switch
12: Channel 2 limiter switch
2: Channel 1 gain controls
3: Channel 2 gain controls
4: Power ON indicator
5: Channel 1 indicators
6: Channel 2 indicators
KEEP FAN
GATES CLEAN!
16
15
14
13
18
19
23
20
25
+
INPUT
BAL.
FREQUENCY
FREQUENCY
+
SUB
WOOF
SUB
WOOF
AMP MODE
+
+
NORMAL
NORMAL
BRIDGE
STEREO
FUSE
29
INPUT
THRU
1
2
3
4
CAUTION
+
+
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
+
+
+
+
GROUND
1500
WATTS
+
+
LIFT
22
21
28
27
26 17
24
13: Channel 1 XLR input
14: Channel 1 TRS input
15: Channel 2 TRS input
16: Channel 2 XLR input
21: Channel 1 input THRU jack
22: Channel 2 input THRU jack
23: Fuse holder
24: AC cord outlet
17: Channel 1 subwoof on/off switch (V3000 ONLY)
25: Amplifier mode switch
26: Ground lift switch
27: Channel 1 output jack
28: Channel 2 output jack
29: Function settings dip switch
18: Channel 1 subwoof frequency adj. (V3000 ONLY)
19: Channel 1 subwoof on/off switch (V3000 ONLY)
20: Channel 1 subwoof frequency adj. (V3000 ONLY)
IN
IN
STEREO (Typical Settings)
+
INPUT
BAL.
FREQUENCY
SUB
WOOF
AMP MODE
FREQUENCY
+
SUB
WOOF
+
+
NORMAL
NORMAL
BRIDGE
STEREO
FUSE
INPUT
THRU
1
2
3
4
CAUTION
+
+
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
+
+
+
+
1500
GROUND
WATTS
+
+
LIFT
DO NOT EXCEED
2 OHM MINIMUM
PER CHANNEL
DO NOT EXCEED
2 OHM MINIMUM
PER CHANNEL
Page 3 • American AUDIO V3000 / V2000 MK II Power Amplifier Instructions
BRIDGE MONO (Typical Settings)
IN
X
TO BRIDGE
TO NORMAL
+
INPUT
BAL.
FREQUENCY
FREQUENCY
+
SUB
WOOF
SUB
WOOF
AMP MODE
+
+
NORMAL
NORMAL
BRIDGE
FUSE
STEREO
INPUT
THRU
1
2
3
4
CAUTION
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
+
+
+
+
+
+
1500
GROUND
WATTS
+
+
LIFT
DO NOT EXCEED
4 OHM MINIMUM
STEREO SUBWOOF
IN
IN
TO SUBWOOF
TO STEREO
TO SUBWOOF
+
INPUT
BAL.
FREQUENCY
FREQUENCY
+
SUB
WOOF
SUB
WOOF
AMP MODE
+
+
NORMAL
NORMAL
BRIDGE
FUSE
STEREO
INPUT
THRU
1
2
3
4
CAUTION
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
+
+
+
+
+
+
1500
GROUND
WATTS
+
+
LIFT
2 OHM
MINIMUM
2 OHM
MINIMUM
SUBWOOF
SUBWOOF
ONE NORMAL / ONE SUBWOOF (BI-AMP)
IN
IN
TO NORMAL
TO SUBWOOF
TO STEREO
+
INPUT
BAL.
FREQUENCY
FREQUENCY
+
SUB
WOOF
SUB
WOOF
AMP MODE
+
+
NORMAL
NORMAL
BRIDGE
STEREO
FUSE
INPUT
THRU
1
2
3
4
CAUTION
+
+
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
+
+
+
+
1500
GROUND
WATTS
+
+
LIFT
2 OHM
MINIMUM
SUBWOOF
2 OHM
MINIMUM
Page 4 • American AUDIO V3000 / V2000 MK II Power Amplifier Instructions
BRIDGE SUBWOOF (V3000 ONLY)
IN
X
TO SUBWOOF
TO BRIDGE
+
INPUT
BAL.
FREQUENCY
FREQUENCY
+
SUB
WOOF
SUB
WOOF
AMP MODE
+
+
NORMAL
NORMAL
BRIDGE
FUSE
STEREO
INPUT
THRU
1
2
3
4
CAUTION
MINIMUM LOAD IMPEDANCE
2 OHM PER CHANNEL
4 OHM BRIDGE
+
+
+
+
+
+
1500
GROUND
WATTS
+
+
LIFT
SUBWOOF
4 OHM
MINIMUM
SUBWOOFER (V3000 ONLY)
The subwoofer can be operated in stereo or bridge mono, set the switch to subwoofer position
depending on your application, select the frequency from 20 Hz to 200 Hz via variable frequency
selector.
AMP MODE (STEREO/BRIDGE)
The Amplifier mode should be configured before operation, if you want to change it during perfor-
mance, you must decrease the gain controls to protect the speakers from any popping noise.
THRU
Thru will allow the user to daisy-chain one amplifiers 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. Is not affected by crossover setting.
GROUND LIFT SWITCH
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 60Hz cycle Hum that is sometimes induced when mounting several units in the
same rack.
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.
Page 5 • American AUDIO V3000 / V2000 MK II Power Amplifier Instructions
INPUTS
Two input connector, XLR jack for balance and 6.3mm (1/4”) TRS jack for unbalance.
INVERTING INPUT -
GROUND
•BALANCED
•UNBALANCED
GROUND
•SYMETRIQUE
•SYMMETRISCHE
•BALANCEADO
•ASYMETRIQUE
•UNSYMMETRISCHE
•UNBALANCEADO
NON-INVERTING INPUT +
NON-INVERTING INPUT +
OUTPUTS (Banana Jack Connection)
Strip back insulation 13-mm. Insert wire fully, tighten barrel.
13mm
1/2”
LIMITER
The limiter has a fixed threshold and will prevent continuous clipping. Below clipping, and during
short clips on peaks, the limiter does not act on the audio signal. The limiter for either channel can
be disabled independently using the slide switch on the front panel.
OFF
ON
2
3
1
4
LOW CUT FILTER
CH. 1
1 Low
CH.2
The low-cut filter removes ultra-low frequency information from the audio signal
that could damage or cause distortion in a loud speaker system. The dip switch
on the rear panel allows you to enable or disable the filter independently for
either Channel, as well as set it for either a 50Hz or 30 Hz cut-off. Always use
3 ON=30Hz
OFF=50Hz
4 Low Cut
Filter
Cut Filter
2 ON=30Hz
OFF=50Hz
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.)
Page 6 • American AUDIO V3000 / V2000 MK II Power Amplifier Instructions
OPERATION
CONFIGURING THE AMPLIFIER
A 4-position dip switch on the rear panel allows you to configure certain amplifier characteristics.
A diagram on the rear panel shows the individual switch functions and settings..
LOW-CUT FILTER: Setting position 1 to “ON” enables the low-cut
filter on channel 1 and “OFF” disables it. Position 4 does the same
LOW CUT FREQUENCY
for channel 2.
30 50
LOW-CUT FILTER FREQUENCY SELECTOR: When
setting position 1 or 4 to “ON” then position 2 or 3 up to cut-off of 30 Hz and down is for 50 Hz.
GAIN CONTROLS
The gain controls are located on the front panel and are calibrated in DB of attenuation from full
gain. It is best to adjust the amplifier so no “hissing” is heard from speakers with no music being
played.
LED INDICATORS
Each channel has 6 LEDS. 2 green LED and 2 yellow LED for level indication, 1 red LED for power
clips, 1 red LED for short / overload, and the green LED at center for power indicator.
BUILT IN PROTECTION
LIMITER: During signal overload, the limiter will reduce the input audio signal enough to minimize
the amount of clipping. During normal operation, the limiter does not affect the audio signal. It will
allow brief clipping of peaks and will only activate when continuous, hard clipping occurs. When the
signal amplitude decreases enough that clipping ends, the limiter will deactivate and cease its gain
reduction. When the input signal overloads, the “CLIP LED’s” indicate a signal overload. At this
time, the “LIMITER” switch on the front panel should be in the “ON” position or the master volume
should be lowered to reduce distortion.
INPUT/OUTPUT PROTECTION: The input circuits are isolated by 10k resistors. An ultrasonic net-
work decouples RF (radio frequency) from the output and helps keep the amplifier stable with reac-
tive loads.
THERMAL PROTECTION: Variable-speed fans provides cooling airflow. During low level output
the fan runs at normal speeds. During high output and as heat raises, (exceeding 90°C), the fan will
run at high speed to aid the cooling process. The amplifier will mute until it cools down.
SHORT CIRCUIT PROTECTION: The Output Short Circuit Protection protects the output devices
from short circuits and stressful loads. During short circuit protection, the “CLIP LED” and “PRO-
TECT LED” will light simultaneously indicating amp fault. All channel output will be interrupted (i.e.
“
no sound output), during the SHORT CIRCUIT PROTECTION.” SHORT CIRCUIT PROTECTION
can usually be traced back to the signal output line (i.e. Speaker Line). Check the line from the out-
put terminal to the speaker. If this line is good, check the internal speaker connections and compo-
nents. A short circuit will usually be traced to a bad cable or a bad speaker and is rarely traced to
the amplifier itself.
Page 7 • American AUDIO V3000 / V2000 MK II Power Amplifier Instructions
SPECIFICATIONS
V-2000 MK II
V-3000
MODEL NO:
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
540W RMS PER CHANNEL
400W RMS PER CHANNEL
250W RMS PER CHANNEL
800W RMS PER CHANNEL
630W RMS PER CHANNEL
400W RMS PER CHANNEL
1050 WATTS RMS
820 WATTS RMS
1500 WATTS RMS
1100 WATTS RMS
Total Harmonic Distortion:
20Hz-20khz, @ rated output
power, 8 ohms
Less than 0.1%
1.0 RMS (0 dBv)
Less than 0.1%
1.0 RMS (0 dBv)
Input Sensitivity &
Impedance:
@ rated output power, 8 ohms
Dimensions & Weight:
Height:
Width:
Depth:
Weight:
3.5” (8.8cm)
3.5” (8.8cm)
19” (48.3cm)
15.9” (40.5cm)
31 lbs. (14 kg.)
19” (48.3cm)
15.9” (40.5cm)
35 lbs. (14 kg.)
Frequency Response:
+/- 1db, 1w RMS. 8 ohms
+/- 0.2 db, @ rated output, 8
ohms
10 Hz- 40 kHz
20 Hz- 40 kHz
10 Hz- 40 kHz
20 Hz- 40 kHz
Hum & Noise:
Below rated output, 8 ohms
100 dB, unweighted
10A @ 120v AC
100 dB, unweighted
12A @ 120v AC
Power Consumption:
@rated output power,8 ohms
Cooling System:
Dual 2 speed fans
and heatsink
Dual 2 speed fans
and heatsink
American DJ® World Headquarters:
4295 Charter Street Los Angeles, CA 90058 USA
Tel: 323-582-2650 • Fax: 323-582-2610
Page 8 • American AUDIO V3000 / V2000 MK II Power Amplifier Instructions
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