• 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
N
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Small problem at power off
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8
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2K
nilrog
N
B
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Using rectifier tubes in parallell
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3
Views
2K
bequerel
B
karma
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ebay toys
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16
Views
4K
karma
karma
C
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KT88 or 6550?
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3
Views
3K
PRR
PRR
D
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what do you think of this preamp?
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21
Views
9K
Zen Mod
Zen Mod
jackinnj
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Tube FM -- Armstrong's first bdcst commemorated
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3
Views
1K
jackinnj
jackinnj
S
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Coupling cap question
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10
Views
3K
Simpleton
S
R
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using a plate choke?
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15
Views
5K
dhaen
dhaen
jackinnj
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Russian Tube Stuff -- WSJ
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3
Views
2K
JojoD818
JojoD818
S
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Identity Help - Is it worth working on
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18
Views
4K
Trout
Trout
M
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Help Please!!!!!!
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4
Views
1K
SY
SY
Madmike2
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mc275
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13
Views
4K
KBK
K
H
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High voltage PSU
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7
Views
2K
Yvesm
Yvesm
F
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DC compensated SE output transformer
Replies
123
Views
26K
smoking-amp
smoking-amp
Alastair E
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Microphonics...........
Replies
4
Views
2K
Alastair E
Alastair E
LuisMCP
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Svetlana MVSZ ---> cheat??
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17
Views
3K
richwalters
richwalters
tenderland
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interconnects
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8
Views
2K
tenderland
tenderland
Gluca
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Stepdown input trafo
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7
Views
2K
Geek
Geek
N
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amp freq response with o-scope
Replies
8
Views
3K
n0plb
N
M
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-50V negative supply
Replies
17
Views
5K
mark_titano
M
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