Boulder 865 integrated amplifier Specifications

Sidebar 1: Specifications

Description: Solid-state, remote-controlled, class-A/B integrated amplifier. Frequency response: 20Hz–20kHz, +0.0/–0.07dB, 0.015Hz–95kHz, –3dB. Maximum continuous output power: 150Wpc into 8 or 4 ohms (21.9dBW, 18.9dBW), 300Wpc peak into 4 ohms (21.9dBW). Maximum voltage gain: 46dB. THD at maximum continuous power: 20Hz–2kHz, 0.0035%. Signal/noise ratio: 108dB unweighted ref. 150W into 8 ohms, 20Hz–20kHz. Maximum input level: 6.0V. Input impedance: 100k ohms balanced, 40k ohms unbalanced. Common-mode rejection (balanced): 60Hz, 90dB; 10kHz, 70dB. Crosstalk: –112dB or better.
Dimensions: 17" (435mm) W by 7.38" (190mm) H by 15.25" (390mm) D. Weight: 52 lbs (23.6kg) net, 61 lbs (27.7kg) shipping.
Serial Number Of Unit Reviewed: 10698.
Price: $12,000. Approximate number of dealers: 28. Warranty: 5 years parts & labor.
Manufacturer: Boulder Amplifiers, Inc., 3235 Prairies Avenue, Boulder, CO 80301. Tel: (303) 449-8220. Fax: (303) 449-2987. Web:

Boulder Amplifiers, Inc.
3235 Prairies Avenue
Boulder, CO 80301
(303) 449-8220