• 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
  • Locked
svetlana tubes
Replies
6
Views
3K
TonyTecson
TonyTecson
s2kov
  • Locked
Power Tubes
Replies
6
Views
2K
TonyTecson
TonyTecson
simon dart
  • Locked
211 or EL34Triode?
Replies
6
Views
2K
bear
bear
H
  • Locked
Happy birthday to tubes. Happy birthday to tubes. !
Replies
4
Views
2K
filippo22
F
R
  • Locked
tubecad is back
Replies
7
Views
3K
fdegrove
fdegrove
K
  • Locked
PSU for SRPP - Voltage or Current Regulator?
Replies
4
Views
2K
fdegrove
fdegrove
I
  • Locked
Grounding the Decware Se84sc
Replies
1
Views
1K
benny
benny
R
  • Locked
bootstrapping two SE transformers into a pp one?
Replies
8
Views
2K
jlsem
jlsem
A
  • Locked
most simple design
Replies
4
Views
2K
Sch3mat1c
Sch3mat1c
Kofi Annan
  • Locked
Cheap and Easy Tube Phono Preamp
Replies
50
Views
24K
pedroskova
pedroskova
sparkle
  • Locked
Gary Pimm's battery biased mosfet cccs
Replies
6
Views
3K
sparkle
sparkle
resident
  • Locked
EL509 vs EL519
Replies
3
Views
8K
resident
resident
M
  • Locked
Searching for my first tube amp
Replies
10
Views
2K
MPM
M
A
  • Locked
Please verify this circuit, is correct??
Replies
0
Views
1K
alejo
A
S
  • Locked
EF 91 / Z77 Amp? help needed for newbie
Replies
1
Views
2K
SHiFTY
SHiFTY
B
  • Locked
Heathkit AA-181 schematic needed
Replies
0
Views
2K
bobhedberg
B
K
  • Locked
PSU worries...
Replies
3
Views
2K
pedroskova
pedroskova
adalin
  • Locked
Heathkit A7 ?
Replies
4
Views
5K
adalin
adalin
nobody special
  • Locked
Best tweeter amp
Replies
24
Views
14K
Norris Wilson
N
D
  • Locked
Output Transformer Sizing?
Replies
6
Views
5K
PRR
PRR
You must log in or register to post here.
Top Bottom