Input Signal Type

Balanced or unbalanced analog line-level

Output Signal Types

4/8 Ohm, 70 Volt, or 100 Volt

Output Power

120 Watts at 8 Ohms;
210 Watts at 4 Ohms;
420 Watts at 8 Ohms bridged (channels 1 and 2);
120 Watts at 70 or 100 Volts (Transformer isolated)

Damping Factor

>100

Protection

Over Current, Over/Under Voltage, Over Temperature, DC Offset

Frequency Response

20Hz to 20kHz ±0.5 dB at 4/8 Ohms;
80Hz to 20kHz +0/-3 dB at 70/100 Volts

THD

0.05% @ 1kHz, full rated power at 4/8 Ohms, 8 Ohms Bridged, or 70/100 Volts;
0.1% @ 20Hz to 20kHz, 120W at 8 Ohms;
0.2% @ 20Hz to 20kHz, 210W at 4 Ohms;
0.1% @ 20Hz to 20kHz, 420W at 8 Ohms Bridged;
0.1% @ 80Hz to 20kHz, 120W at 70/100 Volts

S/N Ratio

>103 dB, A-weighted

Crosstalk

>70 dB @ 1kHz

Gain

23 dB with INPUT LEVEL control set at 12 o'clock nominal position

Input Sensitivity

2.22 Vrms for rated output power with INPUT LEVEL control set at 12 o'clock nominal position

Input Detection Threshold

40 mV RMS @ 1 kHz

Input Level Adjustment

±10 dB from nominal

INPUT CH 1 – 3

(3) 3-pin 3.5mm detachable terminal blocks;
Balanced/unbalanced line-level audio inputs;
Input Level: 5.3 Vrms maximum with INPUT LEVEL control set at minimum position;
Input Impedance: 24k Ohms balanced, 12k Ohms unbalanced

SPEAKER OUTPUT CH 1 – 3

(3) 4-pin 7.62mm 15A detachable terminal blocks;
4 Ω /8 Ω and 70/100V power amplifier outputs;
Wire Size: Terminals accept up to 14 AWG

REMOTE

(1) 6-pin 3.5mm detachable terminal block;
Provides (3) remote control inputs; enables independent power control of each channel via local jumpers or remote contact closures;
inputs may be safely paralleled for group or global control

FUSE T6.3AH 250V

Main fuse holder;
5x 20 mm , 250V, 6.3AH, time-lag, high-rupture rated

100-240V~50/60Hz

(1) IEC C14 male chassis plugs, main power input;
Mates with removable power cord (included)

PWR

(1) dual-color LED, green indicates ACTIVE state, yellow indicates STANDBY state

INPUT 1 – 3, SIGNAL

(3) green LEDs, indicate signal presence on each corresponding channel

OUTPUT 1 – 3, CLIP

(3) amber LEDs, indicate a clipping condition on each corresponding channel

OUTPUT 1 – 3, FAULT

(3) red LEDs; indicate over-temperature, over-current, over or under power supply voltage, or DC offset condition on each corresponding channel

INPUT CH 1 – 3 LEVEL (rear)

(3) Rotary input boost/attenuate adjustments w/center detent at nominal

SPEAKER OUTPUT CH 1 – 3, 100V / 70V / 4/8 Ω (rear)

(3) 3-position slide switches, select the output configuration for each corresponding channel

ON/REMOTE/OFF (rear)

(1) 3-position slide switch; selects between all channels powered on, all channels powered off, or remote control of each individual channel

Main Power

100-240 Volts AC, 50/60 Hz

Power Consumption

85 Watts @ 8 Ohms, all channels driven at 1/8th output power;
126 Watts @ 4 Ohms, all channels driven at 1/8th output power;
86 Watts @ 70/100V, all channels driven at 1/8th output power;
32 Watts, all channels idle;
<1 Watt in standby

Temperature

41° to 104°F (5° to 40°C )

Humidity

10% to 90% RH (non-condensing)

Heat Dissipation

137 BTU/Hr @ 8 Ohms, all channels driven at 1/8th output power;
162 BTU/Hr @ 4 Ohms, all channels driven at 1/8th output power;
140 BTU/Hr @ 70/100V, all channels driven at 1/8th output power;
110 BTU/Hr, all channels idle;
<3.4 BTU/Hr in standby

Chassis

Metal with black finish, vented top and sides, convection cooled

Front Panel

Metal, black finish with polycarbonate label overlay

Mounting

Freestanding or 1U 19-inch rack-mountable (adhesive feet and rack ears included)

Height

1.70 in ( 44 mm )

Width

17.28 in ( 439 mm );
19.0 in ( 483 mm ) with rack ears

Depth

14.59 in ( 371 mm )

Weight