• 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
astouffer
Tube pin straightener 3D print
Replies
3
Views
465
mickeymoose
M
PaulSpinks
Switch to bypass pre-amp gain stage
Replies
0
Views
333
PaulSpinks
PaulSpinks
M
Tube - PreAmplifier
Replies
21
Views
2K
Ixnay
Ixnay
M
High end PSU transformer?
Replies
11
Views
829
Kay Pirinha
Kay Pirinha
G
Wurlitzer 543 amplifier questions
Replies
39
Views
2K
Markw4
M
J
datasheet 6P44C
Replies
11
Views
5K
PeteForsey
P
Jaytor
Cathode bias bypass capacitors
Replies
50
Views
5K
baudouin0
B
Windcrest77
Newby question: Why is voltage doubler ripple not symmetrical?
Replies
13
Views
1K
6A3sUMMER
6
T
UV protection for plates
Replies
34
Views
2K
gupsta
G
hooman
biasing 6336 in Luxman MQ-80 ...
Replies
33
Views
3K
Zung
Z
M
HiFi phase splitter - "best" design option?
Replies
95
Views
7K
Mission720
M
A
My new amps: Jack Elliano, Bud Purvin, Asnain Kolarkar
Replies
11
Views
2K
analogadikt
A
claudiomas
UX201a 6C41C preamp
Replies
2
Views
453
claudiomas
claudiomas
C
Dynaco PAS 3 with a humming Phono section
Replies
1
Views
478
petertub
petertub
E
Beam power pentode OTL
Replies
7
Views
2K
ErikdeBest
E
T
Pentode connected, Fixed bias, DC filament - G3 to cathode
Replies
4
Views
418
toshiba_nz
T
T
Tube amp help/repair tech recommendation for Long Island, NY to solve left channel hum issue
Replies
10
Views
968
AudioFanMan
AudioFanMan
D
Need help understanding Aikido Preamp
Replies
12
Views
2K
artosalo
artosalo
D
Strange Problem With A Newbie's New Vintage PA Amp Project.
Replies
8
Views
452
dimwatt
D
C
CR Developments Romulus TUBES HELP
Replies
2
Views
287
6A3sUMMER
6
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