• 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
Ukrposhta delivers... now I have to something with this!
Replies
32
Views
2K
jcalvarez
jcalvarez
A
CCS IXTP08N100D2 sounds better than DN2540
Replies
35
Views
5K
jackinnj
jackinnj
B
PP 6B4G Mono Block Issues
Replies
10
Views
410
grovergardner
G
W
Aikido octal pops/dc
Replies
63
Views
3K
ceylon.mooney
C
A
RCA 9289-B VU meter
Replies
1
Views
192
JonSnell Electronic
JonSnell Electronic
Salas
6V6 line preamp
Replies
5K
Views
1M
sparkle
sparkle
A
My Dynaco ST-70 with Bud Purvine designed transformers built by Kolarkar Audio
Replies
32
Views
2K
rayma
rayma
D
10M45S LTspice model
Replies
20
Views
11K
baudouin0
B
J
Virtual Center Tap Grounding
Replies
3
Views
218
joneci
J
stephe
6BM8 "tiny tube amp" build + Video Series
Replies
106
Views
22K
rogerayotte
R
wrenchone
6S41S Single-Ended Amplifier
Replies
8
Views
474
wrenchone
wrenchone
rhthatcher
Juicy Music Blueberry Preamp - Tech Info?
Replies
6
Views
713
ss2222a
S
noisyneighbour
Matching Parallel SE output impedance with a transformer
Replies
5
Views
311
Sorento
Sorento
jmillerdoc
Oddwatt / Oddblock Builder's Thread
Replies
122
Views
47K
FSHZ42
FSHZ42
G
Subminiature tube 2-stage and low voltage phono preamp.
Replies
30
Views
2K
Wavebourn
Wavebourn
G
Heathkit AA-50 rectifier goes nuclear
Replies
30
Views
995
Bluesystems
B
P
6H6P and D3a sweetspots?
Replies
5
Views
324
Miniwatt
Miniwatt
G
Replacing volume controls on a 5E3 clone
Replies
2
Views
131
geezertron
G
Windcrest77
Help designing a boat anchor PSU
Replies
4
Views
241
Windcrest77
Windcrest77
DeanCacioppo
SE-40 - heater problem
Replies
2
Views
160
DeanCacioppo
DeanCacioppo
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