• 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
What is this tube?
Replies
14
Views
7K
mobyd
mobyd
noviygera
Opinions on SET transformers for 307a amp
Replies
31
Views
7K
mctavish
M
B
uTracer6, ExtractModel and getting obscure error "*** Internal error in DetSweep"
Replies
10
Views
633
Bluesystems
B
W
XPP AMP ?
Replies
0
Views
196
woody
W
mobyd
845 tube orientation.
Replies
1
Views
255
soulmerchant
soulmerchant
R
hifi 6J4 - 6P6P/6∏6∏ tube preamp
Replies
35
Views
4K
RonBurns
RonBurns
B
Merlin RIAA Preamp
Replies
209
Views
49K
klipper017
K
S
Shared DC filament supplies
Replies
20
Views
845
6A3sUMMER
6
T
DHT with 'blackened' grid
Replies
18
Views
616
toshiba_nz
T
L
Citation II - 2023
Replies
83
Views
5K
Lmitchell
L
11Anthony11
Weirdness with Benz Genz Shuttle 6.0
Replies
0
Views
208
11Anthony11
11Anthony11
kmtang
Single Stage MOSFET-2A3 Power Amp
Replies
10
Views
883
6A3sUMMER
6
G
RIAA preamp based on 6N17B.
Replies
3
Views
608
artosalo
artosalo
U
Capacitor voltage needs ?
Replies
5
Views
291
UserAbuser
U
S
Hammond tube based organ - finding a short
Replies
38
Views
1K
Kay Pirinha
Kay Pirinha
A
Installing the potentiometer at different points in tube output stage/preamplifier circuit
Replies
15
Views
557
zintolo
Z
frend2001
Luxkit / Luxman A3550 Assembly Manual
Replies
4
Views
676
chrisng
chrisng
andyjevans
High voltage SIC diodes in series + equalising resistors
Replies
33
Views
2K
mdpaudio
M
W
DC-DC Buck Converter for 6BQ5 heaters?
Replies
6
Views
345
mdpaudio
M
M
Do "cooling holes" around a tube really make sense?
Replies
102
Views
4K
bondini
bondini
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