Specifications

OPERATION MANUAL MODEL : ZMA - ZEN MYSTERY AMP! REV 1 MAR 2014
Thank You!
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By purchasing this amplifier you are
helping to preserve the art of finely
crafted audio products with absolute
world class reference fidelity.
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Please Take a Moment!
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The serial number and date of your
amplifier are recorded on the bottom.
Take a moment to write them down
here so you don’t have to move your
amplifier once it is installed.
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Serial Number:__________________
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Date (Month/Year): ______________
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Model Number: _________________
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Technical Assistance
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You can get help by calling us directly
or you can e-mail [e-mail]
If you have any issues, check the web
site’s contact page for up to date e-mail
addresses and phone hours.
We also have a strong online support
forum that is very active. This can be a
handy way of getting help during off
hours or weekends when our office is
closed.
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DECWARE/High Fidelity Engineering
75 S. Riverview Dr. East Peoria IL 61611
[phone] www.decware.com
Table of Contents!
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Safety Instructions 2
Thank You 3
Technical Assistance 3
Unpacking 4
Getting Started 5
What’s What 6
Speaker Connections 7
Input Connections 8
Components / Amp Parts 9
Installing Tubes 10
Tube Matching 11
Tube Substitutions 11
Biasing your tubes 12
Bias Windows / Tube life 14
Operation 15
Clipping 15
Preamps 15
Burn in 16
Design 17
Voicing 17
Evaluation 18
About 19
Specifications 20!
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