• 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
I
History of the ECC88 tube family
Replies
16
Views
2K
triode_al
triode_al
stephe
Potentiometer placement in tube gear.
Replies
5
Views
770
JMFahey
JMFahey
Aatto
RH84 v2 buzzing
Replies
1
Views
329
OldHector
OldHector
fazildiken
tube preamp potentiometer recommendation
Replies
17
Views
2K
Diabolical Artificer
Diabolical Artificer
M
Preamp Question
Replies
4
Views
644
Diabolical Artificer
Diabolical Artificer
A
Tube Caddy
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4
Views
543
Diabolical Artificer
Diabolical Artificer
S
Decware 300B
Replies
21
Views
2K
Rod Coleman
Rod Coleman
andyjevans
2A3 versus 6B4G/6C4C
Replies
32
Views
5K
astrojet
A
J
Coupling caps change for subsonic filter
Replies
9
Views
672
jayme
J
S
Book
Replies
9
Views
1K
JMFahey
JMFahey
G
suggestions for a 1:10 high voltage step-up transformer
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30
Views
2K
Mark Tillotson
M
C
KT150 Single Ended driver consider
Replies
0
Views
380
ckwong99
C
S
2A3 PSE amp with interstage transformers - Venue
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11
Views
2K
soulmerchant
soulmerchant
Chris Hornbeck
Restoration of Golden Age audio amplifiers
Replies
63
Views
5K
sser2
S
Wavelength
Cinemag S217D
Replies
0
Views
451
Wavelength
Wavelength
Z
Baby Huey EL34, 6550 and KT88: my own take on optimizing them
Replies
4
Views
713
zintolo
Z
trobbins
Solid state replacement for EL34 in power supply application
Replies
26
Views
3K
Kay Pirinha
Kay Pirinha
dukua
9KX6 pentode
Replies
7
Views
801
Tom Bavis
Tom Bavis
kodabmx
6N1/6DJ8 - 6N6 WCF headphone amp.
Replies
2
Views
886
kodabmx
kodabmx
Windcrest77
Broskie five tube EL84 PSE question
Replies
18
Views
2K
6A3sUMMER
6
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