• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Tubes / Valves

All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum
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Single Ended EL-34?
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11
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5K
jaymanaa
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Advice on 6V6 push pull Parallel
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4
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5K
krzanik
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J
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What are they?
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3
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2K
karma
karma
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heretical unity gain and ccs question
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14
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3K
selfwilly
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A
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Replace el34 with 6p3s
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1
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Bas Horneman
Bas Horneman
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Ways to Lower B+ in a Tube Rectifed PS
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8
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3K
Tubes4e4
Tubes4e4
smoking-amp
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SE sound from a P-P amplifier
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34
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28K
smoking-amp
smoking-amp
tenderland
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double check the math
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3
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2K
Giaime
Giaime
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Help a total tube amp newbie find a super simple design...
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24
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8K
kathodyne
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aletheian
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step-up travel transformer for small preamp?
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6
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2K
aletheian
aletheian
Craig405
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Aikido tube heater floating
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6
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3K
lndm
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Question about tube amp power supply caps
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12
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3K
Johan Potgieter
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lawbadman
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6c33c Tube preamp
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9
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5K
leadbelly
leadbelly
navin
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EL34 CCS help
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2
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2K
navin
navin
leadbelly
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Russian 6L6 family sketchy?
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38
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11K
Johan Potgieter
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Higher value oil capacitors?
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36
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7K
reaction
reaction
J
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What To Do
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5
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1K
Shoog
Shoog
L
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Anything post power transformer that can cause it to hum / buzz?
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6
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3K
loomis
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C
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CV2492 / 6922 / E88CC
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2
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4K
commsysman
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12a?7 in Eico HF-12
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7
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6K
commsysman
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