• 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
martyh
Finally building my VT-52 HPA
Replies
7
Views
728
L0rdGwyn
L0rdGwyn
O
Audiophile capacitors
Replies
19
Views
1K
old n in the way
O
K
New 6F5P SET Amp Build - Slight Hum
Replies
6
Views
289
grataku
G
G
Tube testing recommendations
Replies
24
Views
920
DrowningNotWaving
D
mbrennwa
Debugging Coleman Filament V9 regulator
Replies
11
Views
461
mbrennwa
mbrennwa
N
Need a good EL34-5U4G-6SL7GT schematic
Replies
53
Views
16K
hooman
hooman
D
6N2 bias resistor stock vs Lampizator
Replies
4
Views
287
jcalvarez
jcalvarez
B
6C33 PP amp complete
Replies
4
Views
339
baudouin0
B
Tubologic
Telefunken RV218 power triode
Replies
19
Views
6K
triode_al
triode_al
DrDyna
Grid Leak / Rg - Help me learn!
Replies
7
Views
354
jxdking
J
J
Toroid chokes?
Replies
6
Views
805
WA Baker
W
D
Could you give your opinion on an Audio Innovation 500 integrated please
Replies
23
Views
2K
STOXX
STOXX
D
6SL7 SRPP to 2A3 direct coupling
Replies
2
Views
360
dealbu
D
A
Dynaco output transformer identity
Replies
9
Views
379
rayma
rayma
fazildiken
7H 150mA shock coil
Replies
5
Views
371
fazildiken
fazildiken
jhstewart9
For 2A3 & 45 Fans
Replies
7
Views
678
soulmerchant
soulmerchant
D
Harman Kardon TA5000X alignment/manual
Replies
2
Views
2K
jbholman56
jbholman56
mbrennwa
  • Locked
PCC88 heater current vs. voltage
Replies
80
Views
2K
Moderation Team
Moderation Team
J
Dynaco SCA-35 Mod Suggestion?
Replies
47
Views
2K
Chris Hornbeck
Chris Hornbeck
A
ARC VT-60 Cloned :-)
Replies
60
Views
21K
DrDyna
DrDyna
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