• 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
N
300b with single stage driver, C3M or?
Replies
606
Views
133K
swak
S
bloozestringer
DIY tube cages
Replies
10
Views
1K
Magz
Magz
J
Stareo hifi amp with Shetland 6AS7Gs?
Replies
0
Views
367
Jerry garrcia
J
erhardaudio
new Dynaco PAS upgrade kits forum
Replies
5
Views
1K
erhardaudio
erhardaudio
Redwingnine
6AH4 Preamp..A great option for line stage
Replies
20
Views
13K
andyjevans
andyjevans
S
3-band tone control preamp excessive hum
Replies
24
Views
2K
scott17
S
G
Magnatone 107 B safe?
Replies
16
Views
621
pcan
P
andyjevans
EL12n Push Pull amplifier
Replies
28
Views
4K
andyjevans
andyjevans
T
Specs on Pilot SA232 OPT and PT
Replies
9
Views
646
6A3sUMMER
6
Windcrest77
Newby question: Using a gyrator choke in a negative bias supply?
Replies
4
Views
564
trobbins
trobbins
indr
First valve amp
Replies
39
Views
2K
rongon
rongon
E
Capacitor multiplier with multiple pass elements?
Replies
8
Views
676
efm7
E
djn
6080 tube in SRPP tube amp???
Replies
49
Views
4K
lcsaszar
lcsaszar
M
Elekit TU-8850 vs TU-8200R
Replies
0
Views
491
mc mc
M
Soundhappy
Western Electric New 300B made in USA 2018
Replies
334
Views
88K
OldHector
OldHector
stenak
Hammond 260E
Replies
2
Views
349
Ray Waters
R
drteming
832A Three Years On
Replies
16
Views
2K
osscar
osscar
waltube
Luxman MQ 360 schematic
Replies
2
Views
897
waltube
waltube
A
6N8S (6H8S) Output stage for DAC
Replies
16
Views
749
stocktrader200
S
J
Help understanding portion of schematic and swapping tubes in circuit...
Replies
30
Views
2K
Depanatoru
D
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