• 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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Subwoofer amp
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2
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SHiFTY
SHiFTY
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Replacing Valves
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1
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mcs
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garbage
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thoughts on 300b operating points with 3k output
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5
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garbage
garbage
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Beard P100
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12
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Tom Smithson
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newbie recomendations please
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3
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KevinTams
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NOS Tubes
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1
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EC8010
EC8010
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Speaker impedance roughly 6 ohms, 2A3 SET...
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14
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Saurav
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Grounded Grid wiring question
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4
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Sherman
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VTL Compact 100 Monoblock x 2.
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4
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cogsncogs
cogsncogs
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B2 Spice SE tranformer parameters
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4
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Yvesm
Yvesm
Kofi Annan
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Change PP Amp Into Phono Pre?
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1
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SY
SY
Captain archer
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pl84 ore el84
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1
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mcs
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T
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Battery bias a 6SU7 in the 300b billies
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2
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tom1356
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Determining cap values (old radio)
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6
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Sherman
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what rating for diode of 450Volts DC
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8
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Sch3mat1c
Sch3mat1c
Le Basseur
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Interesting challenge:GU 50 output stage!
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10
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Lauris
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35Z5GT half-wave rectifier
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8
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cogsncogs
cogsncogs
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Troubleshooting EL34 push pull amp
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12
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cogsncogs
cogsncogs
B
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My Mullard 5/20
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25
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billinchile
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Shielding preamp power supply
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9
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ray_moth
ray_moth
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