• 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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parallel or push-pull
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1
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Geek
Geek
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Help identifing RCA transformer
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1
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Tom Bavis
Tom Bavis
P
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Ancient Valve Amp and Rola Speaker PLEASE HELP!
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25
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anatech
anatech
S
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Has anyone used a triode as a shunt regulator?
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10
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Saurav
S
GeirW
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Battery powered phono.
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6
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mwiebe
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N
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Problem with tube overheating. PLEASE HELP
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0
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NotInTheMafia
N
s2kov
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Polyprops as cathode bypass
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10
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thoriated
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A
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Having a problem with building this 6C45 PP amp.
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8
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James D.
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Mark25
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valve newbie; 6H1H pre-amp.
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18
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pedroskova
pedroskova
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searching bogen db10a schematic
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1
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Tom Bavis
Tom Bavis
J
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DIY meeting in Belgium ?
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3
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fdegrove
fdegrove
Majestic
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suggestions for the "lowest noise" pentode
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6
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Mike C
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G
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Question about using RCA jacks.
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28
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skyraider
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B
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Jadis JPS 2 schematic
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0
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Burnedfingers
B
jamesjung21
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Minimal approach with hybrid rectification: Is this possible?
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19
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jamesjung21
jamesjung21
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simple 6v6 push-pull schematic ?
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6
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jim
J
s2kov
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Snubber
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13
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4K
jackinnj
jackinnj
GeirW
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Another Mullard 5-20.
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3
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adalin
adalin
E
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Repairing VTL TL2.5
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4
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effindi
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Pro Model Tubes,for example Avalon
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9
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Brett
Brett
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