• 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
astouffer
10M45 loaded 30 - some measurements
Replies
17
Views
1K
jan.didden
jan.didden
S
Cathode CCS based PP amp KT88
Replies
23
Views
1K
tikiroo
tikiroo
stenak
A Push-Pull DIY amp, type 6V6?
Replies
102
Views
9K
stenak
stenak
B
Epcos/TDK DC-link caps
Replies
9
Views
587
boli46
B
B
Schematics of direct-coupled 300B Push-Pull?
Replies
36
Views
19K
Sorento
Sorento
B
Decware ZKIT-1 help needed
Replies
67
Views
4K
brandon3212276
B
benchbaron
Tube maker ID 6550 who´s is-it
Replies
2
Views
282
benchbaron
benchbaron
jmillerdoc
Looking for non-DRD 300B using D3a as driver
Replies
44
Views
17K
euro21
E
Windcrest77
Using an audio amplifier to heat filaments (high freq. AC)?
Replies
129
Views
6K
astouffer
astouffer
tubelectron
The U-KT120
Replies
77
Views
6K
nicoch58
nicoch58
M
Calling for ideas for a 6C33C (6S33S) parallel SET and OTL!!!
Replies
1
Views
343
Fuling
Fuling
I
Breadboard madness
Replies
24
Views
2K
Tubelab_com
Tubelab_com
WntrMute2
Trimmer Replacement
Replies
14
Views
616
euro21
E
M
LS7/CV1660
Replies
8
Views
2K
zenzen
Z
N
Transformer for 1626 Darling Amp Question
Replies
4
Views
424
Bas Horneman
Bas Horneman
stephe
Balanced XLR input/output from tube gear
Replies
56
Views
5K
MarcelvdG
M
J
Noise out of a Princepton amp kit
Replies
9
Views
619
jjasniew
jjasniew
J
Tube amp solid state rectifier failure
Replies
25
Views
1K
jgf
J
S
Audio transformer for small tube projects?
Replies
54
Views
4K
b_force
b_force
andyjevans
Line stage using 6V6, 6W6, 6G6, 6F6 etc. in triode?
Replies
3
Views
736
stevenrotterdam
S
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