• 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
speaker
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8233 / E55L Applications
Replies
3
Views
6K
RE 604
RE 604
C
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Transformer coupled 6SN7 push-pull DAC output stage?
Replies
7
Views
7K
cathode_leak
C
Trout
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EL38's ?
Replies
4
Views
5K
SY
SY
K
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Counterpoint SA-220 Tube section advice needed
Replies
31
Views
8K
anatech
anatech
A
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Pentode current sink
Replies
14
Views
5K
abj1
A
A
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pre-amp with 6as7??
Replies
3
Views
3K
Colt45
C
V
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plate resistor, input lead
Replies
7
Views
2K
SY
SY
Fuling
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Pentode AB1 or AB2?
Replies
85
Views
13K
noisenyc
noisenyc
B
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Any other sub for KT 88 output tubes?
Replies
13
Views
6K
audiousername
audiousername
V
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very loud preamp
Replies
7
Views
2K
vlljpior
V
pingfloid
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KT88 PP with Class-A/Class-AB switch
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2
Views
3K
sajti
sajti
A
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I'd like to make a simple 50 amplifier
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47
Views
12K
arnoldc
A
Y
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Help me choose a Tube Amp. Project
Replies
36
Views
23K
shermanr
shermanr
9
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Regulate the high voltage making better sound? (Preamp)
Replies
20
Views
6K
sajti
sajti
I
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Tubes for Scott Nixon dac
Replies
0
Views
2K
icebear
I
A
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James SE OPT for 300B & 2A3 on eBay
Replies
0
Views
2K
argo
A
E
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PSU questions
Replies
17
Views
3K
skyraider
S
A
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pre-amp with voltage gain from transformer only
Replies
1
Views
2K
SY
SY
S
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PP or SE for Horns?
Replies
21
Views
4K
rdf
rdf
Z
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AC 120V, neutral, hot, ground
Replies
6
Views
5K
HDTVman
H
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