• 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
WntrMute2
D3A and 5687 Tube Testing
Replies
5
Views
556
WntrMute2
WntrMute2
M
Magnavox EL-84 SE, in Triode Mode
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12
Views
1K
egellings
E
D
Power supply sag when calculating load lines
Replies
14
Views
1K
6A3sUMMER
6
6
A low power 6L6WGB/6L6GC self-inverting push pull amplifier
Replies
25
Views
2K
6A3sUMMER
6
H
Anyone done their own curves for GM70?
Replies
0
Views
265
Hearinspace
H
V
A SS bench power supply 0-300V -200mA for all your tube experimenting needs.
Replies
21
Views
3K
v4lve lover
V
M
Can you substitute 6Y6G with 6Y6
Replies
16
Views
1K
jhstewart9
jhstewart9
I
Counterpoint SA20 Repair Help
Replies
23
Views
2K
BrassTeacher
B
C
Kondo M77
Replies
62
Views
26K
daltvi
D
merlin el mago
HV CCS question
Replies
93
Views
4K
zintolo
Z
elac310
Big SET amps: how to make them „lively“
Replies
8
Views
963
kevinkr
kevinkr
P
Should 6088 sound better than 12AU7?
Replies
4
Views
793
6A3sUMMER
6
H
A2 run as Grounded Grid
Replies
36
Views
2K
Tubelab_com
Tubelab_com
J
12AX7 or 6SN7 and 6V6/EL34 SE Hi-Fi stereo amp (cathode biased)?
Replies
6
Views
1K
stenak
stenak
RorenHeizer
tube preamp transformer questions
Replies
10
Views
870
v4lve lover
V
W
CJ MV55 questions and help.!
Replies
3
Views
325
rayma
rayma
R
Conrad Johnson MV50 adjustment?
Replies
18
Views
6K
waterpistol
W
Vortex
Any very good sounding tube headphone amp ideas?
Replies
192
Views
53K
Vortex
Vortex
tiefbassuebertr
Design Considerations concerning Electrolytic Capacitors in an Outdoor Tube Amp Power Supply before and behind Choke
Replies
4
Views
472
tiefbassuebertr
tiefbassuebertr
L
Success using 6HV5A tube in position V1
Replies
18
Views
2K
lotsmorebetter
L
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