Boulder Amplifiers manual Boulder 865 Integrated Amplifier Specifications

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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

All specifications taken at 120 VAC mains power

850W Maximum, 3W Standby

 

7-2

 

APPENDIX

 

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Contents Page Boulder Integrated Amplifier Page Table of Contents Remote Control Recording Quick Start Getting StartedIntroduction Placement of the 865 Integrated Amplifier Connecting to the Mains Outlet Polarity Connecting a Balanced Analog SourceConnecting AN Unbalanced Source Connecting the Auxiliary Outputs Getting Started Connecting Your Loudspeakers Setting the Boulderlink Switch Operation Powering UPInput Selections Volume Balance Mute Display Batteries Remote ControlSource Selection VOLUME, Balance and MuteInput Names ProgrammingProgramming Input Level Calibration Input Balance Calibration Start Volume Theater ModeProgramming by the Display Button Auxiliary Outputs ModeBoulderlink Speed Boulderlink IDRemote ID Reset to Factory Defaults Boulderlink Connecting BoulderlinkBoulder Link Setting Boulderlink ID Numbers Setting Boulderlink SwitchesPower UP VIA Boulderlink Boulder Link Boulderlink Messages Boulder Link Recording Connecting a Recording DeviceAppendix Boulder 865 Integrated Amplifier Specifications Troubleshooting Symptom Cause Remedy Appendix