• 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
TonyTecson
8045G power triode
Replies
41
Views
10K
zintolo
Z
B
Digging through the closet
Replies
1
Views
233
bobgroger
B
Satellite Icarus
1949 electronic sackbut 6as6 subcircuit
Replies
9
Views
282
Satellite Icarus
Satellite Icarus
R
DC Heater buzz in series connected tube heaters
Replies
11
Views
384
ronenash
R
andyjevans
Preamp with #46, 47, and 49
Replies
12
Views
2K
Fei
F
E
Hybrid Circlotron question
Replies
44
Views
3K
vilfort
vilfort
K
2A3 Amplifier with interstage Tango NC-15
Replies
4
Views
570
Michael C
M
R
(naïve) Question about this phase inverter circuit
Replies
10
Views
372
ejp
E
C
Lower My B+ Help
Replies
12
Views
475
6A3sUMMER
6
canercacan
Converting Grundig TK145 to Amplifier
Replies
13
Views
355
canercacan
canercacan
Windcrest77
Some quick questions on Zen Decware EL84 SET schematic
Replies
82
Views
27K
Solvt
S
P
PL36 (triode) SE
Replies
106
Views
33K
alnico
A
S
Wee bit of help identifying what caps are what
Replies
4
Views
169
vinylkid58
vinylkid58
E
Luxman SQ38u
Replies
6
Views
341
rayma
rayma
kevinkr
A Stereo 6N6P Hybrid Line stage w/Parafeed Output Transformer
Replies
97
Views
12K
kevinkr
kevinkr
Roadbagger
6BX7 There is sound and then there is the sound of sound
Replies
14
Views
753
Roadbagger
Roadbagger
Bas Horneman
"Torpedo" headphone amp clone build + streamer in one
Replies
32
Views
1K
Bas Horneman
Bas Horneman
P
Low Voltage (60V) Stereo Tube Amplifier for Dummies (2+2W)
Replies
150
Views
77K
smoking-amp
smoking-amp
Windcrest77
Schematic needed for a PP driver stage that has no phase splitter
Replies
19
Views
888
dubadub
dubadub
opnly bafld
Laochen/Oldchen 845-A 3 pairs of trim pots help
Replies
2
Views
259
opnly bafld
opnly bafld
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