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Summary of Contents for Boulder 2150
- Page 1 2150 Stereo Power Amplifier Owners Manual 7/22/2014 P/N: 91045 Boulder Amplifiers, Inc. 3235 Prairie Ave. Boulder, CO 80301 (303)449-8220 www.boulderamp.com...
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Page 3: Thank You
Thank You Congratulations and thank you for selecting the Boulder 2150 Mono Power Amplifiers for your high-performance music system. We are certain they will provide you with years of listening pleasure. The 2150s represent the concerted efforts of numerous Boulder craftsmen, designers, engineers, and technicians working to bring you the very finest audio playback components in the world. -
Page 5: Table Of Contents
Table of Contents Getting Started Placement of the 2150 Mono Power Amplifier Connecting To The Mains Outlet Connecting to a Balanced Source Connecting to an Unbalanced Source Polarity Connecting Your Loudspeakers Operation Powering Up Input DC Offset Voltage Detection Clip Detection... -
Page 6: Getting Started
Exact voltage and frequency compatibility is stated in the specifications section. Once the 2150 Power Amplifier is connected to a live mains outlet, the small round LED at the top right of the amplifier will become illuminated and blink for a short time. The LED will then glow white steadily, indicating that the supervising microprocessor is powered up and the amp is ready to be turned on. - Page 7 Getting Started...
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Page 8: Connecting To A Balanced Source
Getting Started Connecting to a Balanced Source To fully realize the sonic potential of your 2150 Mono Power Amplifier, use balanced connections. Balanced cables minimize interference from magnetic and RF sources. Connect your preamplifier output to the input provided on the rear panel of the 2150. - Page 9 Getting Started...
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Page 10: Polarity
2 as the “high” or “hot” pin for the balanced input. The Polarity of the 2150 Mono Power Amplifier is such that a positive- going transition at pin 2 will produce a positive-going transition at the “+”... - Page 11 Getting Started...
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Page 12: Operation
Powering Up With all your connections made, you are ready to listen to your Boulder 2150 Mono Power Amplifier. To turn the amplifier on, press the POWER button on the front panel. The amplifier will perform a warm up cycle and the power-button indicator will blink white and red. - Page 13 Operation Power Indicator Power Button...
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Page 14: Input Dc Offset Voltage Detection
Clip Detection Clipping of the waveform results when any amplifier is driven at too high a level. A clip detection circuit is included in the 2150 Mono Power Amplifier. The indicator will indicate clipping by momentarily turning from white to red. Both voltage and current modes of clipping will be detected, although generally it is only voltage clipping which occurs. - Page 15 Operation...
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Page 16: Remote Control
Remote Control Remote Control Operation Operation of the Boulder 2150 Mono Power Amplifier by remote control is possible by use of a Boulder Link connection to a Boulder preamplifier. When Boulder Link is connected correctly, the 2150 will turn on and off with the preamplifier. - Page 17 Remote Control...
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Page 18: Boulder Link
Setting Boulder Link Switches Every Boulder Link system must have one, and only one “MASTER” component. Usually this is the preamplifier. In the case of the 2150 Power Amplifier, one channel should be set to “MASTER” as long no preamplifier is connected by Boulder Link. - Page 19 Boulder Link...
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Page 20: Setting Boulder Link Id Numbers
MASTER is turned on it will display “WAITING FOR AMPS.” Each amplifier will be turned on in the order of their Boulder Link ID. To minimize turn on time, the amplifier’s ID should be set to the lowest possible number in the sequence. - Page 21 Boulder Link...
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Page 22: Boulder Link Messages
“1 OFFLINE” means that the slave is no longer responding via Boulder Link. Its Boulder Link cable may have become disconnected, or the mains power has been disconnected. “1 ONLINE” means that the slave is now responding via Boulder Link... - Page 23 Boulder Link...
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Page 24: Fault Conditions
Fault Conditions Fatal Errors If the indicator of the 2150 Mono Power Amplifier blinks white rapidly for a short time and a series of red flashes follows, a fatal error has occurred. The indicator will flash red in a specific sequence, defining its error code to an authorized Boulder technician. - Page 25 Fault Conditions...
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Page 26: Appendix
Appendix Specifications Continuous Power, Each Channel Watts Ω THD 20-2kHz THD 20kHz 1000 0.0006% 0.0025% 1000 0.0008% 0.0030% 1000 0.0012% 0.0045% Peak Power, Each Channel Watts Ω 1000 2000 4000 Frequency Response -3dB @ 0.015 Hz, 200kHz Equivalent Input Noise (EIN), 20kHz BW 1.5 µV Magnitude Response, 20 to 20KHz +0.00, -0.04 dB... - Page 27 Appendix Weight Amplifier: 220 lbs. (99.8 kg), Shipping: 319 lbs. (144.7 kg). Amplifier Dimensions, Inches: 34.250 28.925 18.000 10.750 *All specifications taken at 240 VAC mains Power...
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Page 28: Troubleshooting
Appendix Troubleshooting SYMPTOM CAUSE REMEDY No Power Rear panel power Turn on power Indication switch is not on switch Power amplifier is Connect to an AC not plugged in Mains outlet Home circuit Have line voltage breaker is tripped checked Red power Low line voltage Reset breakers on... - Page 29 Appendix...
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Page 30: Notes
Appendix Notes:... - Page 31 Appendix Notes:...
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