• 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
S
Dynakit ST35 help needed!
Replies
8
Views
229
SpyderMike
S
J
Sansui 1000A Static popping
Replies
16
Views
330
anatech
anatech
P
Tubes4HiFi SP14 really noisy!
Replies
253
Views
12K
1973bronco
1973bronco
J
QUAD 2 Problems
Replies
106
Views
2K
anatech
anatech
L0rdGwyn
Aegis DIY Tube Headphone Amplifier
Replies
227
Views
39K
apricity
A
edwardjurich
5U4 Warmup Hum
Replies
17
Views
559
baudouin0
B
N
Thoughts on this schematic/design?
Replies
31
Views
1K
nzoomed
N
Z
My personal interpretation of the Baby Huey with EL34
Replies
12
Views
549
zintolo
Z
FSHZ42
Tung-Sol KT170 tube question
Replies
4
Views
196
dubadub
dubadub
dubadub
6C33C SET Monoblock
Replies
29
Views
1K
bob53
B
Windcrest77
Overcurrent protection monitor for a direct bias amp
Replies
14
Views
546
benchbaron
benchbaron
Fuling
Russian TV damper diode (6D20P) heater-cathode voltage
Replies
39
Views
1K
Fuling
Fuling
rongon
PP 6V6 amp from RCA RC-19 manual -- Thoughts?
Replies
251
Views
11K
Bandersnatch
B
M
Found someones DIY project
Replies
51
Views
2K
hooman
hooman
A
K-502 model B with 11BM8 - Seeking Schematic + advice
Replies
2
Views
187
alderfc7
A
E
Transformer winding material, where to buy?
Replies
2
Views
270
Parafeed813
Parafeed813
N
6S41S Single-Ended Cathode Follower Amplifier
Replies
38
Views
5K
Pyka
P
J
Have Elekit TU-8200 & 8500, how badly do I need to try the TU-8900?
Replies
4
Views
341
Steve Morley
S
SRMcGee
Aikido Noval PCB (or Gerber) Source
Replies
86
Views
7K
nerdorama
nerdorama
M
What is the magic behind DHT tubes? Seriously...
Replies
103
Views
6K
Wavebourn
Wavebourn
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