• 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
stenak
Mike Freda 5670 DIY from Youtube
Replies
5
Views
834
NightFlight
NightFlight
M
I want to assemble a DHT Allnic A2500 amplifier. Do you have an assembly diagram? I'm looking for it.
Replies
0
Views
113
Mr Hoan
M
T
Mods Xiang Sheng 728A
Replies
42
Views
29K
hooman
hooman
M
Dayton Audio HTA200 Integrated Stereo Hybrid Tube amp
Replies
0
Views
126
Matt Williams
M
P
Ccda octal tube issue
Replies
1
Views
135
Penki76
P
D
Amplifier Kits for Vacuum-Tube based Hi-Fi Home Audio?
Replies
7
Views
296
grovergardner
G
S
6N3 (5670) simple tube buffer, any good?
Replies
35
Views
3K
jean-paul
jean-paul
S
Scott LK-72-B DC Balance Question
Replies
77
Views
2K
kgrlee
K
Z
Layout suggestions needed: simple cheap tube amp
Replies
0
Views
161
zintolo
Z
M
Battery heated DHT (RE084) operating point
Replies
10
Views
229
euro21
E
B
HIGH VOLTAGE OPAMP FOR TUBE INPUT/VAS STAGE
Replies
18
Views
619
jackinnj
jackinnj
emartine
voltage doubler switching noise
Replies
13
Views
413
Mooly
Mooly
B
Matching 6C33C-B tubes
Replies
10
Views
388
tubetvr
tubetvr
Rupopulles
Tube clipping nube question
Replies
10
Views
333
euro21
E
U
Drive a piezo tweeter?
Replies
12
Views
361
Galu
Galu
cooloox
Simplest possible EL84 push pull amplifier
Replies
78
Views
9K
yogiDIYbear
yogiDIYbear
S
Kegger / Blueglow KT88 - Building the best version money can buy
Replies
19
Views
1K
Bandersnatch
B
fazildiken
output transformer testing and measurement
Replies
5
Views
472
trobbins
trobbins
I
Crown OC150 and Balance output
Replies
8
Views
301
illenema123
I
S
Quicksilver Mono Amp noise on startup
Replies
62
Views
1K
streetcore
S
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