• 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
9
  • Locked
resistors of a lower power rating
Replies
2
Views
2K
kmtang
kmtang
S
  • Locked
The amplifier itself whines
Replies
14
Views
3K
Sch3mat1c
Sch3mat1c
K
  • Locked
What's a Field Coil Amplifier?
Replies
9
Views
6K
krzanik
K
Sir Trefor
  • Locked
DIY repair- replacing capacitors
Replies
5
Views
3K
Enzo
E
K
  • Locked
Counterpoint Preamp Modifications
Replies
1
Views
3K
anatech
anatech
K
  • Locked
end of tube
Replies
21
Views
4K
kevinkr
kevinkr
J
  • Locked
The cathode FeedBack in Push-Pull amp
Replies
3
Views
5K
plovati
P
E
  • Locked
Output Transformers
Replies
2
Views
2K
eduardio
E
G
  • Locked
Parallel Push Pull Drivers
Replies
14
Views
6K
silurato
silurato
T
  • Locked
300b Circuit Mod.
Replies
11
Views
5K
Bas Horneman
Bas Horneman
N
  • Locked
Humming Sovtek EF86
Replies
4
Views
3K
nilrog
N
resident
  • Locked
6L6 class A P-P CFB amp
Replies
11
Views
4K
gingertube
G
C
  • Locked
Rectifiers: Tube vs Solid state..
Replies
26
Views
8K
anatech
anatech
felixx
  • Locked
6sn7,6h30,6c33c ?
Replies
4
Views
4K
protos
protos
V
  • Locked
845B problem
Replies
5
Views
3K
kevinkr
kevinkr
S
  • Locked
Quick help needed! LOTs of noise in BBMCCCS loaded /0A2 regulated preamp!
Replies
17
Views
5K
cathode_leak
C
C
  • Locked
HF filter inductors for signal path
Replies
3
Views
2K
EC8010
EC8010
Trout
  • Locked
150W Garage sale find.
Replies
23
Views
6K
Giaime
Giaime
B
  • Locked
Photoelectric valves?
Replies
7
Views
2K
Alastair E
Alastair E
C
  • Locked
Tamura inputs trans used as linestage out
Replies
2
Views
2K
cm
C
You must log in or register to post here.
Top Bottom