• 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
Help needed on Regulated power supply on Class A 6L6 amp
Replies
24
Views
1K
Robert H. Gribnau
R
B
Massive preamp humm
Replies
34
Views
908
brianqq
B
F
Aikido front panel attenuators
Replies
0
Views
160
file1
F
ygg-it
Boyuu hifi Equis A10 EL34B+6N2 SE Tube Amplifier with 5Z4P rectifier: review and mod
Replies
143
Views
95K
Yarach
Y
J
Developing a 2A3 SET
Replies
635
Views
77K
jdrouin
J
Listen
Radiotron 2A3 values?
Replies
118
Views
7K
mrpunkk
M
dubadub
An Idea for a 6N1P-6N6P / 6H1∏-6H6∏ OTL Headphone Amp
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14
Views
950
artosalo
artosalo
E
MosFET or other semiconductor substitute for cathodyne?
Replies
146
Views
35K
pieroh
P
P
Aikido noval all in one with tube rectifier manual needed
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20
Views
748
Pegasus123
P
C
Cannot determine cap polarity from this wiring diagram
Replies
26
Views
971
Ctrl Phreak
C
jcalvarez
UNSET pentode for voltage amplification
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22
Views
1K
jcalvarez
jcalvarez
G
PP KT120 ... The last power amplifier
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184
Views
17K
gabdx
G
C
6.3VAC Filament Supply ?
Replies
3
Views
273
grataku
G
Algar_emi
My First DHT tube Preamp, and probably my best
Replies
8
Views
829
Zoran
Z
suwaned
I Ask AI - deep seek! how to make 10Y single ended triode Amplifier class A? this is the answer
Replies
57
Views
2K
hooman
hooman
B
PYE HF25
Replies
8
Views
318
mbrennwa
mbrennwa
T
Tube audio buffer
Replies
131
Views
4K
Tube Radio
T
N
6SN7 + EL34 SE stereo amplifier build - questions
Replies
166
Views
11K
Never Get Old
N
B
19 Watt 6P43P PP amplifier build
Replies
19
Views
876
Bandersnatch
B
R
Schematic experts help needed
Replies
19
Views
547
nerdorama
nerdorama
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