• 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
M
PP amp with 6E5P en PCC88
Replies
9
Views
862
matejsirk
M
T
Choke substitution in Dynaco ST35 - 2.0H vs 1.75H
Replies
2
Views
311
mdpaudio
M
B
SMPS powered Tube Amp
Replies
27
Views
2K
Jah Kreator
J
F
DIY 300B Monoblock
Replies
50
Views
6K
grataku
G
SomeJoe
How critical is track and wiring length matching for tube-based LTP differential pair?
Replies
22
Views
2K
SomeJoe
SomeJoe
M
Diagnosing Tube Amp Problem
Replies
38
Views
2K
6A3sUMMER
6
W
2A3 interstage headphone amplifier?
Replies
12
Views
831
6A3sUMMER
6
T
Power Transformer
Replies
30
Views
1K
NIXIE62
NIXIE62
B
A Totally Different Input/Driver Stage Has Any One Tried It??
Replies
17
Views
1K
bondini
bondini
GregH2
Advice for first SET amp build
Replies
62
Views
11K
elobilo
E
A
6V6 triode gain increase?
Replies
45
Views
3K
AudioGeek
A
kstlfido
Sprague Vitamin Q L96P code?
Replies
0
Views
209
kstlfido
kstlfido
B
Anybody Using a Hagerman Vacutrace?
Replies
4
Views
422
Buddy Dave
B
Diabolical Artificer
Output Transformer Primary Winding - Calculating the Inductance.
Replies
27
Views
2K
45
4
M
Some good news about Transcendar
Replies
6
Views
630
mdpaudio
M
V
Building unknown transformer coupled line stage question
Replies
4
Views
335
Veeren
V
J
Neg. bias information needed
Replies
5
Views
296
john_tracy
J
R
Output transformer max primary current
Replies
16
Views
1K
waltube
waltube
Z
My Leak-enstein Stereo 60
Replies
19
Views
3K
andyjevans
andyjevans
emk2
6V6 balanced amp
Replies
9
Views
751
emk2
emk2
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