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Boulder 865 integrated amplifier specifications – Boulder Amplifiers Integrated Amplifier 865 User Manual

Page 41

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APPENDIX

7-2

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) -108 dB, unweighted, 20 to 22 kHz

Frequency Response, 20 to 20 kHz +0.00, -0.07 dB

Frequency Response, -3 dB 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 -112 dB or better, 20 Hz to 20 kHz

Crosstalk, Adjacent Inputs -112 dB or better, 20 Hz to 20 kHz

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: -2 dB

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, 50-60 Hz

850W Maximum, 3W Standby

All specifications taken at 120 VAC mains power