BOULDER 865 INTEGRATED AMPLIFIER SPECIFICATIONS
Balanced Line Inputs | 4 pair |
Auxiliary Balanced Outputs | 1 pair (Switchable, Fixed or Variable) |
Loudspeaker Output Connectors | 6 mm/.250 inch post |
Continuous Power, 8, 4 Ohms | 150W |
Peak Power, 4 Ohms | 300W into 4 Ohms |
THD at Continuous Power | 20 to 2 kHz: 0.0035%. 20 kHz: 0.018% |
Signal to Noise Ratio (re: 150W/8 Ohms) | |
Frequency Response, 20 to 20 kHz | +0.00, |
Frequency Response, | 0.015 Hz, 95 kHz |
Maximum Input Level | 6.0 Vrms |
Input Impedance | 100kΩ Balanced, 50kΩ Unbalanced |
Common Mode Rejection (Balanced only) | 60Hz: 90dB, 10kHz: 70dB |
Crosstalk, L to R or R to L | |
Crosstalk, Adjacent Inputs | |
Volume Control Range | 100 dB |
Volume Steps | 200 steps at 0.5 dB, ±0.05 dB |
Maximum Voltage Gain | 46 dB |
Gain at Auxiliary Output | Balanced: +4 dB, Unbalanced: |
Amplifier Size, W x H x D | 17.0 x 7.38 x 15.25 inches, speaker connectors add 1.50” to depth |
Weight | 47 pounds. Shipping: 54 pounds |
Power Requirements | Voltage suitable for country where sold, |
All specifications taken at 120 VAC mains power | 850W Maximum, 3W Standby |
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