• 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
merlin el mago
Building Euro21 801A tube preamp
Replies
111
Views
5K
merlin el mago
merlin el mago
H
Another Chinese PP amp
Replies
9
Views
518
hamsalad
H
Rme9632
Bypass B+ caps voltage tolerance
Replies
14
Views
448
czgagi
C
SY
Survey: Aikido distortion
Replies
258
Views
54K
jgf
J
G
Mounting Guide for Power transformers, Output transformers and Chokes
Replies
13
Views
422
Suncalc
S
N
Frank's 6SN7 preamp output capacitor question
Replies
30
Views
854
Merlinb
Merlinb
C
DC 2A3 SET Low Freq Rolloff
Replies
31
Views
1K
je245
je245
Cobra2
Tube Buffer 6J1 / 5654 (6AK5)
Replies
107
Views
81K
metanastis
metanastis
S
New pre-amp: B405 with BH rectifier
Replies
62
Views
2K
suwaned
suwaned
R
Pentode output modes
Replies
14
Views
481
jan.didden
jan.didden
V
Optimation PA-250AC Lab-Grade Audio Amplifier
Replies
19
Views
6K
HexFET
H
gerrittube
Tweak amplifier performance for a certain power level
Replies
4
Views
143
ron68
ron68
MagicBus
Another KT88 PP
Replies
5
Views
352
MagicBus
MagicBus
N
Low voltage tube line preamp
Replies
49
Views
42K
NovaPA
N
K
Finally building my MkIIIs, a pictorial thread
Replies
63
Views
4K
kb2wyl
K
N
New DynaKitParts ST-35 Build
Replies
284
Views
17K
Never Get Old
N
Maximus89
Can I use miniature tube as driver with adapter in my amp?
Replies
35
Views
896
Maximus89
Maximus89
Y
Xiang Sheng 278a
Replies
11
Views
301
Robert H. Gribnau
R
T
Why has single ended output become popular
Replies
396
Views
40K
Zoran
Z
T
Tube 2E22 in triode mode
Replies
28
Views
17K
sunil
S
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