• 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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Sheet Metal Gauge
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10
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astouffer
astouffer
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Scott LK-72A is ALIVE
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4
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Sherman
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A
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SMPS for B+ discussion
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36
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ackcheng
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TubeHead Johnny
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Face Plate Printing and Silk Screening
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6
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TubeHead Johnny
TubeHead Johnny
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Octal pentode sub for ef86?
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5
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SHiFTY
SHiFTY
korneluk
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UL Feedback Tap Calculation
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1
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Tweeker
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LowRedMoon
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Formula for calculating HT voltage?
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17
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LowRedMoon
LowRedMoon
alexmoose
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Pentode vs Ultralinear
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9
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SY
SY
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Funky reading 12B4A?
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14
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kegger
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Signal phase shift through a tube amp
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8
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Tubelab_com
Tubelab_com
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Please help out a Noobie...
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13
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audio_moksha
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Trout
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Sovtek 5Y3 Issues
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17
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Geek
Geek
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Aikido Preamp
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21
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jayme
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Bogen CHA33/CHA33Y
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2
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dubnikova
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Gold_xyz
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Signal pentode in current production
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2
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Eli Duttman
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something is wrong with the shunt regulator
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17
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4K
jarthel
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Regulated AC...thought some of you might be interested
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26
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EC8010
EC8010
bembel
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E182CC substitution ?
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5
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10K
bembel
bembel
Algar_emi
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Toccata Phono Preamp
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19
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7K
bear
bear
bembel
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Just grabbed this AF mesuring equipement, Any infos before restauration is Welcome
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7
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bembel
bembel
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