• 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
SSassen
KT88 PP - Dotting the Is, crossing the Ts
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319
Views
12K
SSassen
SSassen
jcalvarez
Source of cheap power transformers
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5
Views
654
jcalvarez
jcalvarez
mr2racer58
Differential 9 Power Amplifier
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57
Views
4K
Soundblaster
S
B
An RH84 is half born
Replies
19
Views
2K
Beer30
B
M
Choosing the mains transformer for preamp
Replies
9
Views
999
Michael G.
M
G
MJ Magazine August 1992
Replies
15
Views
969
Geluidloopt
G
fusion360guy
  • Poll Poll
"Serious Pre" Tube Build
Replies
288
Views
15K
fusion360guy
fusion360guy
P
How to use damper diodes correctly?
Replies
30
Views
3K
sser2
S
bondini
The Marshall Leach legacy - nice new paper by Aaron Lanterman
Replies
1
Views
669
jackinnj
jackinnj
D
Counterpoint SA-1000 Hum in left channel Pinging Anatech!
Replies
38
Views
7K
anatech
anatech
A
OTL Balanced Line Driver for Pro Audio Loads
Replies
24
Views
1K
JoeAlders
J
W
Audio Research D60 classic Dead Power Transformer
Replies
14
Views
2K
weegenaar
W
bamavette
Rogue Eighty Eight fuse amperage?
Replies
10
Views
469
tomchr
tomchr
S
multitap output transformer primary question
Replies
9
Views
960
SCD
S
MarkC568
Thermionic Labs Transformers
Replies
5
Views
851
Never Get Old
N
Richard Ellis
Point to point wiring
Replies
252
Views
31K
gorgon53
G
50AE
Dumb questions about CFB operation
Replies
15
Views
950
lcsaszar
lcsaszar
ygg-it
Grid-to-cathode capacitor: is this part of feedback?
Replies
18
Views
2K
Rikaro
R
D
Put the VTA-120 back into the main system
Replies
2
Views
360
Drummerboy2
D
T
GlassWare Atten-Ladder
Replies
1
Views
301
dukei
D
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