• 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
gmilitano
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Tube Pre-Amp < $200
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12
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4K
bequerel
B
Gubby
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12AU7 or 12AT7 instead of 12AX7 ?
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5
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8K
karma
karma
serengetiplains
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Massive Parallel Operating
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40
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7K
fdegrove
fdegrove
gary f
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Amp, Stange temporary buzz, what is that?
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5
Views
2K
fdegrove
fdegrove
E
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mosfet in regulated PS.
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10
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3K
jan.didden
jan.didden
R
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Sovtek 2A3 tolerances / defected tube?
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5
Views
2K
SHiFTY
SHiFTY
beamnet
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reasonable powered simple amp
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6
Views
2K
karma
karma
A
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VTL deluxe 300 amps - adjustment question
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7
Views
6K
audiomatic
A
W
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6c19pi ?
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1
Views
3K
TG
T
G
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calculating NFB dB
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4
Views
4K
ray_moth
ray_moth
D
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How do I replace this 40+ year old selenium rectifier?
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21
Views
24K
anatech
anatech
baggystevo82
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beta followers
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16
Views
7K
baggystevo82
baggystevo82
A
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845 PP and Lundahl 1620
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187
Views
54K
audiobot
A
E
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anti digitalizing process
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8
Views
2K
benny
benny
jamesjung21
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Metal VS Glass
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6
Views
3K
chops
chops
G
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Bogen MX30A
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2
Views
4K
greggy
G
L
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using Mosfets as diode in PS
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5
Views
2K
fdegrove
fdegrove
speaker
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Q: Stereo Amp / Dual PS Chokes
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6
Views
2K
speaker
speaker
T
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12ax7 > 6sn7 > 300b
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4
Views
5K
Sch3mat1c
Sch3mat1c
S
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Sonic Frontiers Power 2SE
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1
Views
3K
Positron
P
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