• 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
jcalvarez
PP First stage, triode or pentode?
Replies
11
Views
703
jcalvarez
jcalvarez
stephe
Matched pairs vs matched quad in PP amp
Replies
27
Views
1K
jcalvarez
jcalvarez
geoturbo
EAR 859SE amp
Replies
18
Views
1K
geoturbo
geoturbo
C
Tube signal splitter
Replies
15
Views
594
MarcelvdG
M
P
Build a diy Marantz Model 2 or modern options
Replies
9
Views
524
grovergardner
G
T
Amplifier Design and Tube Rolling
Replies
18
Views
844
Tjj226
T
R
50C5 SE output transformer
Replies
6
Views
466
RC-30
R
R
Looking for a manual for the Luxkit / Luxman A2003/A2002 active tube crossover
Replies
0
Views
184
RemcoB
R
M
Two mystery tubes: Hoges ECC88 and Haltron 12AT7
Replies
44
Views
2K
mdr30
M
Windcrest77
This guy is doing this hobby the way I always wanted to do it
Replies
133
Views
10K
ronck722
R
R
Single Ended Phase Clarification
Replies
69
Views
6K
rayma
rayma
dubadub
Building a Choke-input PS for the RH84 Amplifier - Component Layout
Replies
7
Views
548
Michael C
M
andyjevans
Triode comparison - EL34, 6L6, 5881, KT88, 6550 etc
Replies
46
Views
3K
6A3sUMMER
6
R
question about the Oddwatt 6BQ5
Replies
22
Views
1K
Logic800
L
K
Brazilian OTL
Replies
0
Views
256
Klarskov
K
R
45 type SET build need assist
Replies
188
Views
14K
Rob7
R
L
Transformer help for 6V6 - RCA SP10
Replies
19
Views
5K
6A3sUMMER
6
stenak
Ero KT1800 capacitor
Replies
4
Views
422
stenak
stenak
H
Vincent SP-T800 Power Amplifier DC Volts on Speaker Output Terminals
Replies
41
Views
1K
HiperJZ
H
P
Trying to understand the source of intermittent 60Hz Hum
Replies
8
Views
402
Polygonhell
P
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