• 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
ThorstenL
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300B+
Replies
5
Views
3K
bcherry
bcherry
V
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Help! circuit diagram
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0
Views
2K
vodaTube
V
jlsem
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Sansui 1000A OPT's
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1
Views
3K
cerrem
cerrem
bremen nacht
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Leak Stereo 20 - solid state rectifier?
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17
Views
6K
SY
SY
T
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An amp that melts 6L6s?
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5
Views
2K
anatech
anatech
P
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Choosing a brand as a standard
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1
Views
1K
Brian Beck
Brian Beck
K
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Minimum filament voltage for 300B
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32
Views
11K
kusojiji
K
SY
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The power of transformation
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9
Views
2K
Frank Berry
Frank Berry
K
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8ohm speaker on 15 or 3.5 ohm tranny
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1
Views
1K
EC8010
EC8010
W
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wanted- 845 pwr amp p.p.
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1
Views
2K
cerrem
cerrem
S
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Fixed or self bias?
Replies
33
Views
13K
PRR
PRR
T
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Help! transformer overheating!
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14
Views
9K
ThSpeakerDude88
T
D
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SRPP linestage help
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7
Views
4K
DoomPixie
D
trancy
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211 amp PSU question
Replies
5
Views
2K
trancy
trancy
N
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squeal in amplifier
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5
Views
2K
n0plb
N
teodorom
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Phase Splitters
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21
Views
8K
teodorom
teodorom
S
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Mf X-pre
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0
Views
1K
stueyh
S
D
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Preamp PSU Design Help
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18
Views
4K
DoomPixie
D
valveitude
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Tube Spice Model Problem
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5
Views
4K
valveitude
valveitude
K
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6sn7gtb Filament Voltage
Replies
22
Views
4K
kusojiji
K
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