• 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
Y
  • Locked
Need schematic for EL84 PSE
Replies
7
Views
7K
artosalo
artosalo
jerluwoo
  • Locked
Advantage to constant current draw from power supply?
Replies
2
Views
1K
aardvarkash10
aardvarkash10
Rockmore
  • Locked
Would you rebuild this?
Replies
2
Views
1K
artosalo
artosalo
F
  • Locked
suspect a bad tube-any simple checks?
Replies
16
Views
4K
Peckerwood
Peckerwood
Troncones
  • Locked
6BQ5 Bias Point Help
Replies
2
Views
1K
artosalo
artosalo
S
  • Locked
6H13C OTL using 12 parallel tubes
Replies
36
Views
13K
desperateaudio
D
H
  • Locked
After Christmas free time
Replies
8
Views
1K
Hilly-wa
H
S
  • Locked
Copland CVA 306 Can work only with 2 tubes ??
Replies
0
Views
2K
stecko
S
R
  • Locked
12AU7 SE practise amp project
Replies
18
Views
8K
razorrick1293
R
G
  • Locked
Breadboard help
Replies
4
Views
2K
Soonerorlater
Soonerorlater
FullRangeMan
  • Locked
Shuguang 805 - Advice
Replies
5
Views
5K
FullRangeMan
FullRangeMan
Troncones
  • Locked
Standard Input Design Value
Replies
13
Views
2K
kevinkr
kevinkr
C
  • Locked
McAlister PP150
Replies
0
Views
1K
carusoracer
C
R
  • Locked
need a good low parts phono tube preamp schematic....
Replies
48
Views
59K
ThorstenL
ThorstenL
S
  • Locked
Odd amp built with PL81 / PL36
Replies
3
Views
5K
padamiecki
P
P
  • Locked
favourite midrange,treble tubes
Replies
39
Views
7K
Pano
Pano
C
  • Locked
First attempt p2p valve power amp
Replies
7
Views
2K
quikie22
Q
B
  • Locked
50C5s in PP ?
Replies
9
Views
2K
mashaffer
M
Troncones
  • Locked
Fundamental Pentode Question
Replies
4
Views
1K
Troncones
Troncones
antiquekid3
  • Locked
807 SE Schematic Critiques
Replies
22
Views
12K
Vinylsavor
Vinylsavor
You must log in or register to post here.
Top Bottom