• 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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Need advise with NFB loop
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4
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1K
Cassiel
Cassiel
Vinylsavor
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short article about operating points
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4
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1K
Vinylsavor
Vinylsavor
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Very basic grid question????
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1
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1K
DF96
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trigger
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decisions fostex and the DIY-K12G budget system..
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4
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2K
trigger
trigger
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12AX7 PULSE
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0
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940
makedonyali
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diamondsouled
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Improving a Maple Tree Audio PS 2 power supply
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19
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7K
Alexdad54
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O
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Hi-Fi Tube Amplifier and more
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5
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1K
Troncones
Troncones
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Radford SC-22 Restoration - Input Transistor Biasing Question
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10
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5K
sonata149
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power transfo as HT choke
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10
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2K
Doz
Doz
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Interstage transformer questions
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25
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14K
nuvistordave
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HeathKit Euw-15 Tube power Supply failure.
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3
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2K
llwhtt
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SpreadSpectrum
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Anybody use 841s(VT-51)?
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3
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2K
Vinylsavor
Vinylsavor
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Ergo-Ella + Budget AVC Do-It-Box
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0
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2K
minoxxx
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E
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Zener regulation for fixed-bias supply
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6
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3K
kevinkr
kevinkr
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hot transformer
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1
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1K
kevinkr
kevinkr
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What to do with a 6L6-GC?
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10
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2K
kevinkr
kevinkr
TonyTecson
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Modding the SAKUA AV200
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5
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3K
TonyTecson
TonyTecson
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Inverted Interstage Transformer
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4
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5K
pieter t
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Is this a good interstage transformer?
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3
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2K
Technical
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Doz
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Back to back toroids
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16
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2K
revintage
revintage
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