• 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
otto88
  • Locked
Pavane/ Psvane 845, 805, 211, 12AX7, 12AU7, 12AT7 and EL84
Replies
5
Views
6K
Pez
P
S
  • Locked
PP pentode tube headphone amp PCB needed ( 6au6 thru el84)
Replies
5
Views
3K
speakerfritz
S
P
  • Locked
6LU8 in Moscode 600
Replies
1
Views
2K
quinnling
Q
H
  • Locked
Which tube does my amp use? 12AU7 12BH7 12AX7 6CG7 others?
Replies
21
Views
4K
HP8903B
H
el156
  • Locked
EL34 PP PROJECT
Replies
30
Views
7K
Miles Prower
Miles Prower
S
  • Locked
5881, 6V6, EL84, or 7591 for triode-strapped operation?
Replies
6
Views
4K
Shea
S
S
  • Locked
converting a dynaco mark IV driver board for headphone amp use
Replies
0
Views
1K
speakerfritz
S
SGregory
  • Locked
Wacky Hum and Harmonics
Replies
13
Views
2K
SGregory
SGregory
N
  • Locked
What tubes with 3.3K p2p output?
Replies
11
Views
3K
no gas
N
807tubenut
  • Locked
Aikido REV D pcb
Replies
4
Views
1K
807tubenut
807tubenut
R
  • Locked
Tube ID help needed (EL34?)
Replies
3
Views
2K
DF96
D
J
  • Locked
Constructions of ShuGang's 211 and 805A
Replies
2
Views
2K
Ty_Bower
Ty_Bower
S
  • Locked
Aikido w/ tone controls
Replies
14
Views
6K
artosalo
artosalo
6L6
  • Locked
Need Spud Amp schematic
Replies
0
Views
1K
6L6
6L6
C
  • Locked
Rogers Cadet III input impedance
Replies
3
Views
1K
Skorpio
S
el156
  • Locked
100KW Power Amplifier
Replies
22
Views
7K
stratus46
S
S
  • Locked
Faint Hiss/Hum.
Replies
10
Views
3K
Soonerorlater
Soonerorlater
L
  • Locked
UTC Z-2961 input transformer
Replies
2
Views
2K
livingdeliberately
L
F
  • Locked
Scott LK48-B restoration
Replies
2
Views
2K
kevinkr
kevinkr
F
  • Locked
Phone Preamp PSU
Replies
13
Views
2K
Brit01
B
You must log in or register to post here.
Top Bottom