• 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
Tubologic
Telefunken RV218 power triode
Replies
19
Views
6K
triode_al
triode_al
DrDyna
Grid Leak / Rg - Help me learn!
Replies
7
Views
340
jxdking
J
J
Toroid chokes?
Replies
6
Views
671
WA Baker
W
D
Could you give your opinion on an Audio Innovation 500 integrated please
Replies
23
Views
2K
STOXX
STOXX
D
OTL designed by Tim Mellow with 4 6C33C?
Replies
807
Views
188K
Tyimo
T
D
6SL7 SRPP to 2A3 direct coupling
Replies
2
Views
334
dealbu
D
A
Dynaco output transformer identity
Replies
9
Views
354
rayma
rayma
fazildiken
7H 150mA shock coil
Replies
5
Views
350
fazildiken
fazildiken
jhstewart9
For 2A3 & 45 Fans
Replies
7
Views
663
soulmerchant
soulmerchant
D
Harman Kardon TA5000X alignment/manual
Replies
2
Views
2K
jbholman56
jbholman56
mbrennwa
  • Locked
PCC88 heater current vs. voltage
Replies
80
Views
2K
Moderation Team
Moderation Team
J
Dynaco SCA-35 Mod Suggestion?
Replies
47
Views
2K
Chris Hornbeck
Chris Hornbeck
A
ARC VT-60 Cloned :-)
Replies
60
Views
21K
DrDyna
DrDyna
T
Plate choke and plate load resistor together ? How?
Replies
12
Views
409
analog_sa
analog_sa
T
Plate Choke for EF86 in triode?
Replies
8
Views
309
nerdorama
nerdorama
S
Bug Amps 3W push-pull 6E5P amp
Replies
19
Views
2K
Staticx
S
R
6SN7 at low plate voltage
Replies
6
Views
445
Rob7
R
J
Valve Wizard Experimental PCBs
Replies
16
Views
2K
batteryman
B
L
Audio Research Classic 60 faceplate and rack handles
Replies
1
Views
540
audioxcel
A
DrDyna
ARC VT60 - Asking lots of questions
Replies
66
Views
2K
DrDyna
DrDyna
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