• 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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5AS4 sub for 5U4
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6
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planet10
planet10
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grainy preamp gain
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12
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mjd_tech
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resident
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one more 12B4A preamp
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76
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21K
andyjevans
andyjevans
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Any suggestion for cheapest SET amplifier project
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40
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plovati
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J
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Preamp hum again
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0
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johnmarkp
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Quetion for Thorsten
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4
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ThorstenL
ThorstenL
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What can I do with these? (tube and OPT question)
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7
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Tekko
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tenderland
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OPT axis
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2
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2K
tenderland
tenderland
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strange tube
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10
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gianis
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optimizing constant current heater supply
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0
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kasra
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J
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questions about transfo
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10
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jeapel
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K
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Help needed for a 6L6 Push pull amp
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44
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21K
resident
resident
philipbarrett
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Problem with my Darling!
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58
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8K
philipbarrett
philipbarrett
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833 push pull design help
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19
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bear
bear
brian t
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naim user defects to valves !
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11
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6K
protos
protos
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0Z4 as a rectifier?
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4
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5K
PrairiePete
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georgehifi
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Proof that demagnetizing tubes works
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23
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6K
Steve Eddy
Steve Eddy
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Need help with PS for 1626 "Darling" amp
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7
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needtubes
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Hardware??
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5
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lpd
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kmtang
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Power Supply for 300B Monoblock
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0
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kmtang
kmtang
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