• 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
bembel
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Using a standard pentode-tetrode as output "space-charge tube" any ideas-experiences?
Replies
12
Views
7K
Wavebourn
Wavebourn
M
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6N1P Data sheet differences
Replies
9
Views
4K
mashaffer
M
R
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PAS3 to volume pot
Replies
4
Views
1K
ronton3
R
M
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What Tube for a Differential Amplifier?
Replies
17
Views
10K
Eli Duttman
E
boywonder
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Using different transformer taps for each needed B+
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3
Views
1K
SGregory
SGregory
M
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Confident in buying tubes on ebay ?
Replies
10
Views
3K
coldcathode
coldcathode
pjanda1
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CCS Troubles
Replies
13
Views
3K
Michael Koster
Michael Koster
A
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6c19p se otl
Replies
16
Views
11K
tympani1d
tympani1d
N
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Yes, I've searched. Can I use a PP OPT in a SE amp ?
Replies
13
Views
3K
kevinkr
kevinkr
N
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Multi tap transformers dont use the whole windings?
Replies
12
Views
11K
nicoch58
nicoch58
FullRangeMan
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Best GM70 version suited for audio??
Replies
27
Views
13K
djn
djn
jmillerdoc
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EL84 PP using 5K plate to plate primate OPT
Replies
5
Views
4K
MQracing
MQracing
Richard Ellis
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How unsafe is an Autotransformer?
Replies
66
Views
12K
zigzagflux
zigzagflux
dady
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YL1350 Help characteristic and output tranies
Replies
8
Views
5K
tubesteve
tubesteve
C
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safest way to power up a new build
Replies
8
Views
1K
Miles Prower
Miles Prower
M
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Mengyue el34b schematic needed
Replies
2
Views
2K
Gorgomat
Gorgomat
J
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VR tube flashing?
Replies
3
Views
2K
Wavebourn
Wavebourn
C
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Custom chassis europe
Replies
6
Views
3K
cr0wl3y
C
V
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bogen chb-35
Replies
12
Views
4K
planet10
planet10
R
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Thinking of buying a Lumley Reference ST70 with attached passive pre
Replies
3
Views
4K
ringo_the_hifi
R
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