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Manual Boulder 860

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  • Boulder 860 - page 1

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  • Boulder 860 - page 2

    Boulder 860 150 W att Ster eo Power Amplifier Instruction Manual 6/13/07 Boulder Amplifiers, Inc. 3235 Prairie A ve. Boulder , CO 80301 www .boulderamp.com APPENDIX BOULDER LINK REMOTE CONTROL OPERA TION GETTING ST ARTED ...

  • Boulder 860 - page 3

    APPENDIX BOULDER LINK REMOTE CONTROL OPERA TION GETTING ST ARTED Boulder 860 Stereo Power Amplifier Rear Panel ...

  • Boulder 860 - page 4

    T ABLE OF CONTENTS GETTING ST AR TED Placement of the 860 Ster eo Power Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Connecting to the Mains Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Connecting a Balanced Source . . . . . . . . . . . . . . . . . . . ...

  • Boulder 860 - page 5

    APPENDIX Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 T r oubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Notes . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Boulder 860 - page 6

    1-1 GETTING ST ARTED 1-1 GETTING ST AR TED PLACEMENT OF THE 860 STEREO POWER AMPLIFIER Y our Boulder 860 Stereo Power Amplifier is designed to r educe interference from external magnetic and radio fields (RF). While placement is not critical, known magnetic fields should be avoided. Because the amplifier is heavy , a solid, stable surface should be ...

  • Boulder 860 - page 7

    1-2 GETTING ST ARTED CONNECTING TO THE MAINS OUTLET Y our 860 Ster eo Power Amplifier is supplied with a mains cor d suitable for the location where it was purchased. It is constructed of a large enough wire gauge and a cable plug appropriate for the voltage you intend to use. Do not substitute another power cable. The voltage appears on the rear p ...

  • Boulder 860 - page 8

    1-3 CONNECTING A BALANCED SOURCE T o fully realize the sonic potential of your 860 Stereo Power Amplifier , use balanced connections whenever possible. Balanced cables r educe interference from magnetic and RF sources to an absolute minimum. Connect your preamplifier or sour ce outputs to the inputs provided. GETTING ST ARTED ...

  • Boulder 860 - page 9

    1-4 GETTING ST ARTED CONNECTING AN UNBALANCED SOURCE Although the input connectors are of the three-pin XLR type, an unbalanced sour ce is easily accommodated by using a special cable. This cable has an RCA phono type connector on the source end and a three- pin XLR connector to go to the input of the 860 Stereo Power Amplifier . The negative input ...

  • Boulder 860 - page 10

    1-5 GETTING ST ARTED POLARITY Please note that the 860 Ster eo Power Amplifier conforms to the standard of Pin 2 as the high or ”hot” for the balanced inputs. The polarity of the 860 Stereo Power Amplifier is such that a positive- going transition at Pin 2 will produce a positive-going transition at the “+” output terminal. CONNECTING YOUR ...

  • Boulder 860 - page 11

    2-1 OPERA TION POWERING UP W ith all your connections made, you are ready to listen to your Boulder 860 Stereo Power Amplifier . T o turn the amplifier on, pr ess the ST ANDBY button on the front panel. The amplifier will perform a warm up cycle and the indicator will alternate between red and amber for 45 seconds. This power up sequence can be ski ...

  • Boulder 860 - page 12

    2-2 CLIP DETECTION Clipping of the waveform r esults when any amplifier is driven at too high a level. A clip detection circuit is included in the 860 Stereo Power Amplifier . The indicator will indicate clipping by momentarily turning from amber to red. Both voltage and current modes of clipping will be detected, although generally it is only volt ...

  • Boulder 860 - page 13

    2-3 SHOR TED OUTPUT DETECTION If the output of the amplifier becomes shorted, the fr ont panel indicator will turn red and the amplifier will turn off the output stage for about three seconds, then very briefly try to turn on again. If the short still exists, this cycle will repeat until the short circuit is removed. THERMAL PROTECTION A thermal pr ...

  • Boulder 860 - page 14

    3-1 REMOTE CONTROL OPERA TION Operation of the Boulder 860 Stereo Power Amplifier by r emote control is possible when connected by a Boulderlink cable to other Boulder pr eamplifiers or CD players. When so connected, the 860 Stereo Power Amplifier will be turned on and off with the other component. 12 VOL T TRIGGER The 860 Stereo Power Amplifier al ...

  • Boulder 860 - page 15

    4-1 BOULDERLINK "DAISY CHAIN" TO ALL OTHER SLAVE UNITS BOULDER PRE- AMPLIFIER BOULDER POWER AMPLIFIER BOULDER POWER AMPLIFIER MASTER SLAVE SLAVE BOULDERLINK Boulderlink is a means of interconnecting most Boulder products so that their micropr ocessors can talk to each other and pass important information. Among the key features, Boulderli ...

  • Boulder 860 - page 16

    4-2 SETTING BOULDERLINK SWITCHES Every Boulderlink system must have one “MASTER” component, and only one component can be set to MASTER. This is usually the preamplifier . Power amplifiers and other products not having a MASTER/SLA VE switch ar e not eligible to be “MASTER.” SETTING BOULDERLINK ID NUMBERS Every component is requir ed to hav ...

  • Boulder 860 - page 17

    4-3 POWER UP VIA BOULDERLINK W ith each component connected together by a Boulderlink cable, and individually connected to the mains, pressing the master ’s ST ANDBY pushbutton will initiate the turn on sequence of all components. The first time a master is powered up, it will search for any “slave” units connected to it. As the master finds ...

  • Boulder 860 - page 18

    4-4 BOULDERLINK MESSAGES Each component in the system can send a message to the preamplifier which is then shown on its display . This is particularly helpful in confirming the operating status of each power amplifier in a multiple amplifier system. T ypical messages on an 810 Preamplifier , 1010 Pr eamplifier or 1012 DAC Pr eamplifier ar e as foll ...

  • Boulder 860 - page 19

    APPENDIX 5-1 BOULDER 860 STEREO POWER AMPLIFIER SPECIFICA TIONS 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 ...

  • Boulder 860 - page 20

    APPENDIX 5-2 TROUBLESHOOTING SYMPTOM CAUSE REMEDY No power indication Power switch is not on T urn on rear panel power switch Power amplifier is not plugged in Connect to an AC outlet Home circuit breaker is tripped Reset circuit breaker Fuse on rear panel blown Replace fuse Red power indication Low line voltage Have line voltage checked Power supp ...

  • Boulder 860 - page 21

    APPENDIX 5-3 NOTES ...

Manufacturer Boulder Category Stereo Amplifier

Documents that we receive from a manufacturer of a Boulder 860 can be divided into several groups. They are, among others:
- Boulder technical drawings
- 860 manuals
- Boulder product data sheets
- information booklets
- or energy labels Boulder 860
All of them are important, but the most important information from the point of view of use of the device are in the user manual Boulder 860.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Boulder 860, service manual, brief instructions and user manuals Boulder 860. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Boulder 860.

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A complete manual for the device Boulder 860, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Boulder 860 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Boulder 860.

A complete Boulder manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Boulder 860 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Boulder 860, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Boulder 860, that we can find in the current document
3. Tips how to use the basic functions of the device Boulder 860 - which should help us in our first steps of using Boulder 860
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Boulder 860
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Boulder 860 in a specific country, if it was not possible to solve the problem on our own.

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