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STEREO MODE, Both Channels Driven
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8 ohms 20 Hz-20 kHz 0.1% THD
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260W
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4 ohms 20 Hz-20 kHz 0.1% THD
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425W
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2 ohms 1 kHz 1% THD
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700W
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DIRECT POWER, STEREO MODE
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70V 20 Hz-20 kHz +0/-0.3 dB 0.5% THD
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-
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XF OUTPUT POWER, STEREO MODE
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70V or 100V 50 Hz-16 kHz 0.5% THD
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500W
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25V 50 Hz-16 kHz 0.5% THD
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300W
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BRIDGED MONO MODE
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8 ohms 1 kHz 0.1% THD
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900W
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4 ohms 1 kHz 1% THD
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1400W
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XF OUTPUT POWER, BRIDGED MONO MODE
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140V or 200V 50 Hz-16 kHz 0.5% THD
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1000W
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Signal to Noise (20 Hz-20 kHz)
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100 dB
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Distortion (SMPTE-IM)
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Less than 0.01%
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Input Sensitivity @ 8 ohms
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1.07v
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(+2.8 dBu)
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Voltage Gain @ 8 ohms
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44.7x
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(33 dB)
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Output Circuitry
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Class AB
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THX Approved
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THX
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Weight - Net
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49 lbs
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(22.3 kg)
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Weight - Shipping
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55 lbs
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(25 kg)
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ALL MODELS
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Distortion (Typical)
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Less than 0.03% THD, 4 ohms and 8 ohms
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20 Hz-20 kHz: 10 dB below rated power
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1.0 kHz and below: full rated power
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Less than 0.03% THD, 4 ohms and 8 ohms
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Frequency Response
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ISA 280, 450, 750 and 1350:
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10 dB below rated output power
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20 Hz-20 kHz, +0/-1 dB; -3 dB points: 5 Hz and 50 kHz
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Damping Factor (direct outputs)
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Greater than 200 at 8 ohms, ISA 1350 greater than 250
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Output Regulation (isolated outputs)
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Less than 1.5 dB
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Input Impedance
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10 k ohms unbalanced, 20 k ohms balanced
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Input Clipping
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10 Vrms (+22 dBu)
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Cooling
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Continuously variable speed fan, back-to-front air flow
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Connectors, each channel
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Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+)
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Output: Covered barrier strips
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DataPort V2: HD-15 connector
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Controls
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Front: AC switch
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Rear: Ch. 1 and Ch. 2 gain knobs, 10-position DIP switch
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Indicators
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PWR-ON: Green LED; SIGNAL: Green LED (1 per channel);
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CLIP: Red LED (1 per channel)
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Dimensions
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19" (48.3 cm) rack mounting, 5.25"(13.3cm) tall (3 rack spaces),
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15.9" (40 cm) deep (from front mounting rails)
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Amplifier Protection
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Full short circuit, open circuit, thermal, ultrasonic, and RF protection;
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Stable into reactive or mismatched loads
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Power Requirements
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120, 230, VAC, 50-60 Hz
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