Specifications
1. Rated Output Power |
| @ 5% | @ 1% |
At 1 kHz, 4 ohm | Model 550 | 340 W | 300 W |
| Model 260 | 150 W | 139 W |
| Model 170 | 105 W | 94 W |
At 1 kHz, 8 ohm | Model 550 | 230 W | 215 W |
| Model 260 | 95 W | 105 W |
| Model 170 | 70 W | 60 W |
2. Total Harmonic Distortion (with 30 kHz LPF, 4 ohm) |
| |
Model 550 | @ 275 watts | 0.07% |
Model 260 | @ 130 watts | 0.20% |
Model 170 | @ 85 watts | 0.10% |
3.Signal To Noise Ratio (with 80 kHz LPF, all models)
| Channel R |
| 103 dB |
| Channel L |
| 103 dB |
4. Frequency Response (LPF off, all models) | 20 Hz - 50 kHz, 0 - 1.5 dB | ||
5. | Input Sensitivity (all models) |
| 0 dBu ± 1 dB |
|
|
| to achieve rated power |
|
| (Attenuator set to maximum) | |
6. | Crosstalk (at 7 kHz sine wave, all models) |
| 85 dB typical |
7. | Residual Noise (VR min, all models) |
| 73 dB typical |
8. | DC Offset Voltage (all models) |
| 0 ± 50 mV |
9. | Idle LED Indicator Output Sensitivity (all models) | More than 2.2 V | |
10. Damping Factor |
| Greater than 100 | |
11. Dimensions |
|
| |
| 19 in (w) x 9.75 (d) x 5.25 (h) | ||
|
| 482 mm (w) x 247 (d) x 133 (h) | |
| 19 in (w) x 9.50 (d) x 3.50 (h) | ||
|
| 482 mm (w) x 241 (d) x 89 (h) | |
| 19 in (w) x 9.50 (d) x 3.50 (h) | ||
|
| 482 mm (w) x 241 (d) x 89 (h) | |
12. Weight |
|
| |
|
| 28.0 lbs • 12.7 kg | |
|
| 17.0 lbs • 7.7 kg | |
|
| 14.5 lbs • 6.6 kg | |
NOTE: All specs are taken at less than 1% THD
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