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Audio Player • phone # 516-314-0357 •
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Preamp Tubes
Power Tubes
What do these options mean?
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Ruby KT88-STR
Ruby KT88-CZ
Ruby KT66
Ruby EL84CZ
Ruby EL34BSTR
What kind of power tubes does your amp use?
Doug's Tubes, Inc.
P.O. Box 32
Levittown, NY 11756
516-314-0357
DJP@optonline.net
