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