| Audio |
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- Typical of 3 mono amplifier channels:
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Input Signal Type |
Balanced or unbalanced analog line-level |
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Output Signal Types |
4/8 Ohm, 70 Volt, or 100 Volt |
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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) |
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Damping Factor |
>100 |
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Protection |
Over Current, Over/Under Voltage, Over Temperature, DC Offset |
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Frequency Response |
20Hz to 20kHz ±0.5 dB at 4/8 Ohms;
80Hz to 20kHz +0/-3 dB at 70/100 Volts |
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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 |
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S/N Ratio |
>103 dB, A-weighted |
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Crosstalk |
>70 dB @ 1kHz |
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Gain |
23 dB with INPUT LEVEL control set at 12 o'clock nominal position |
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Input Sensitivity |
2.22 Vrms for rated output power with INPUT LEVEL control set at 12 o'clock nominal position |
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Input Detection Threshold |
40 mV RMS @ 1 kHz |
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Input Level Adjustment |
±10 dB from nominal |
| Connectors |
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G |
6-32 screw, chassis ground lug |
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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 |
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SPEAKER OUTPUT CH 1 – 3 |
(3) 4-pin 7.62mm 15A detachable terminal blocks;
4Ω/8Ω and 70/100V power amplifier outputs;
Wire Size: Terminals accept up to 14 AWG |
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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 |
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FUSE T6.3AH 250V |
Main fuse holder;
5x20 mm, 250V, 6.3AH, time-lag, high-rupture rated |
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100-240V~50/60Hz |
(1) IEC C14 male chassis plugs, main power input;
Mates with removable power cord (included) |
| Controls & Indicators |
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PWR |
(1) dual-color LED, green indicates ACTIVE state, yellow indicates STANDBY state |
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INPUT 1 – 3, SIGNAL |
(3) green LEDs, indicate signal presence on each corresponding channel |
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OUTPUT 1 – 3, CLIP |
(3) amber LEDs, indicate a clipping condition on each corresponding channel |
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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 |
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INPUT CH 1 – 3 LEVEL (rear) |
(3) Rotary input boost/attenuate adjustments w/center detent at nominal |
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SPEAKER OUTPUT CH 1 – 3, 100V / 70V / 4/8Ω (rear) |
(3) 3-position slide switches, select the output configuration for each corresponding channel |
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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 |
| Power Requirements |
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Main Power |
100-240 Volts AC, 50/60 Hz |
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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 |
| Environmental |
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Temperature |
41° to 104°F (5° to 40°C) |
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Humidity |
10% to 90% RH (non-condensing) |
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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 |
| Enclosure |
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Chassis |
Metal with black finish, vented top and sides, convection cooled |
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Front Panel |
Metal, black finish with polycarbonate label overlay |
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Mounting |
Freestanding or 1U 19-inch rack-mountable (adhesive feet and rack ears included) |
| Dimensions |
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Height |
1.70 in (44 mm) |
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Width |
17.28 in (439 mm);
19.0 in (483 mm) with rack ears |
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Depth |
14.59 in (371 mm) |
| Weight |
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17.8 lb (8.1 kg) |