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APPENDIX
5-1
BOULDER 860 STEREO POWER AMPLIFIER SPECIFICATIONS
THD at Continuous Power, 20 to 2KHz 0.0035%
THD at Continuous Power, at 20KHz 0.018%
Continuous Power, 8 Ω 150W
Continuous Power, 4 Ω 150W
Peak Power, 8 Ω 150 W
Peak Power, 4 Ω 300 W
Magnitude Response, 20 to 20KHz +0.00, -0.04 dB
Magnitude Response, -3 dB at 0.015Hz, 150kHz
Voltage Gain 26dB
Signal to Noise Ratio (re: 500W/8Ω) -108dB, unweighted, 20 to 22kHz
Input Impedance Balanced: 50KΩ, Unbalanced: 25KΩ
Common Mode Rejection (Balanced only) 60Hz: 90dB, 10kHz: 70dB
Inputs 3-pin Balanced
Output Connectors 6 mm / .250 inch thumbscrews
Crosstalk, L to R or R to L Greater than 112dB
Size, Inches, Width X Height X Depth 17.0W x 7.38H x 15.25D Speaker connectors add 1.50 to depth
Power Requirements Voltage suitable for country where sold
50-60 Hz, 850 W at maximum
All specifications taken at 120 VAC mains power