• 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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RCA red base 5691 / 5692
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2
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4K
HollowState
HollowState
taj
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DePalma redux
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12
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taj
taj
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Ridiculous Hallucinations
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38
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smoking-amp
smoking-amp
Magz
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Grid Stopper Advice - Graphs Included!
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43
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Magz
Magz
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My Copland CTA401 hums , help needed please
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8
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thehappytooter
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Grounding elevated ccs series filament supply
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4
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velvetsunrise
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What to do with E182CC's
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4
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fdegrove
fdegrove
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power supply problem
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96
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11K
20to20
2
TheGimp
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Transformer Ratings
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7
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TheGimp
TheGimp
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Tube Clearout
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28
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ilimzn
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First tube amp, it needs maintenance
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3
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Enzo
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G
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Tubes flare on start up!!
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21
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fdegrove
fdegrove
W
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Ecc88 pin 9 connection??
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8
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6K
fdegrove
fdegrove
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Low filament current tubes
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14
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neazoi
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Suggestions for pp or se monos
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2
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859
renton1
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Need EF86 phono preamplifier shematic
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2
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4K
kmtang
kmtang
V
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my new tube experience
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1
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1K
rotaspec
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sputtering 5u4 on diy Wheatfield amp
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14
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4K
Tubologic
Tubologic
Magz
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Series Resistors on Outputs of Transformer?
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10
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3K
wa2ise
wa2ise
SpreadSpectrum
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TO-220 PCB spacing for HV MOSFETs
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10
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5K
triode_al
triode_al
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