• 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
andyjevans
All-DHT amplifiers: no indirectly heated signal tubes!
Replies
312
Views
38K
euro21
E
L
Any electronics enthusiasts in Vancouver, WA
Replies
2
Views
218
steve jones
steve jones
A
Ait Tight ATM-2 biasing
Replies
3
Views
186
arky
A
pmillett
Posted new P-P power amp design
Replies
2K
Views
628K
RonBurns
RonBurns
R
Unknown transformers
Replies
2
Views
580
jean-paul
jean-paul
T
DEH610 DEL610 anyone played with this one?
Replies
10
Views
427
toshiba_nz
T
T
UV199 tube...anyone uses them?
Replies
1
Views
296
wparks
wparks
wrenchone
Voltage Capability of Russian 6V6 Analog
Replies
6
Views
325
wrenchone
wrenchone
N
Capacitor value change/upgrade in Blue Vevet preamp
Replies
7
Views
387
Neiljd990
N
Beauregard42
Building a radio receiver: Need help on the audio stages
Replies
6
Views
537
Hearinspace
H
F
Looking For Manual Fixed Bias Board
Replies
21
Views
562
Freecrowder
F
A
Lowering rectifier voltage in tube amplifier
Replies
30
Views
2K
jan.didden
jan.didden
I
Weird 7F7 adapters on eBay
Replies
5
Views
282
grovergardner
G
Dieter Geissel
Schematic Musical Paradise MP-701
Replies
6
Views
444
petertub
petertub
Tobi461
SRS461 | QE08/200 Monoblock Amps
Replies
49
Views
10K
as_audio
A
S
6LU8 PP help please
Replies
14
Views
427
KeesB
K
OldHector
The Problems of Parallel
Replies
21
Views
914
KeesB
K
jcalvarez
Mazda 6P26 curves?
Replies
2
Views
131
jcalvarez
jcalvarez
jhstewart9
A Purpose Built Class AB2 PP 6F6 Amplifier
Replies
10
Views
697
Miles Prower
Miles Prower
blackwhaleamp
Peavey 6505+112 Clean Tone not Working
Replies
4
Views
276
blackwhaleamp
blackwhaleamp
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