• 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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Line-out on tubes
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off1
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el156
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Small Size Output Transformers
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45
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wrenchone
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"The Bursar" Push-Pull Amplifier
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24
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wrenchone
wrenchone
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12ax7 pre amp + solid state power amp
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off1
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Preamp for Tim Mellow's 6C33C OTL
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3
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el156
el156
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AA5 Tube Radio Design using 2010 Techniques
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10
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DF96
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Looking for four KT90 Ei
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5
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soundofvoid
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east electronics
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i have one 5672 tube (new)
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0
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east electronics
east electronics
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RCA Reel to Reel Conversion??
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4
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Ian444
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Separation of preamp and power amp
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Ian444
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A question about the Malanz 7
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azazello
azazello
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Trying to achieve 25-30 watts... help please!
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13
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tinitus
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12AX7 preamp on 375V
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14
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off1
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Jaap
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differential cascode patented in 2007
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20
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Jeb-D.
Jeb-D.
revintage
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Dynaco PAS transformer breakdown
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3
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revintage
revintage
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Which speaker with a 1/4W tube amp?
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19
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45
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Question about AMP185 Rectifier Circuit
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25
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korey
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richwalters
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New PNP HV tranny for anode CCS
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12
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richwalters
richwalters
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Edcor CXPP-30-MS-3.8K OPT
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5
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45
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I found a use for surplus tubes
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2
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Wavebourn
Wavebourn
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