• 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
fazildiken
Conrad-johnson Line (B6-15)
Replies
3
Views
183
hooman
hooman
Lingwendil
Kondo KSL-M77 phono preamp clone project
Replies
574
Views
93K
hesener
H
R
SE UL EL84 design suggestion
Replies
23
Views
855
waltube
waltube
lcsaszar
E83F or E180F for input stage?
Replies
22
Views
5K
silvaup4
S
K
Feedback for the hybrid amp
Replies
2
Views
126
kees52
K
M
Great British Valve Project has produced some R-type valves
Replies
10
Views
534
merlin el mago
merlin el mago
B
Ground lift switch wiring
Replies
1
Views
181
Borats Baby
B
P
12BH7 in 12AU7 cathode follower circuit
Replies
48
Views
1K
perkri
P
F
Tube input stage for Class D amp
Replies
22
Views
4K
FlaCharlie
F
In The 21st Century
No sound from new McIntosh C22-MKV preamp
Replies
7
Views
332
rayma
rayma
D
New build problem
Replies
20
Views
738
Dazsumner
D
C
Thoughts on the old Schade PP series feedback?
Replies
59
Views
3K
CSandrelli
C
C
Aesthetius Rhea mods
Replies
3
Views
207
grovergardner
G
C
Elekit TU-8550 preamp
Replies
4
Views
252
minhaj
M
T
Fully 21st Century Tube Preamplifier
Replies
23
Views
2K
TorroidDoughnut
T
W
Lt Spice noob, not getting enough power?
Replies
3
Views
181
kmtang
kmtang
Wavebourn
One more 4P1L SE
Replies
1K
Views
476K
andyjevans
andyjevans
A
Parallel SE 6V6 amplifier questions / design
Replies
29
Views
2K
AudioGeek
A
bedomes
Thoughts on Sonic Frontiers SFL2 signal capacitor change
Replies
57
Views
1K
bedomes
bedomes
sajadho1988
Maximum safe supply voltage for a resistor loaded triode
Replies
2
Views
207
sajadho1988
sajadho1988
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