• 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
mobyd
VTL TL2.5 preamp remote poor range.
Replies
4
Views
380
mobyd
mobyd
A
BC accoustic EX888.1
Replies
1
Views
434
Aghawa
A
Q
24 hour burn in of tubes
Replies
11
Views
431
Michael C
M
B
Magic eye "Off" mode
Replies
6
Views
443
Bigwolf
B
P
rivera slavemaster issues
Replies
0
Views
105
PhantomBox
P
M
Papworth M100 Mono Bloc Valve/Tube Amp
Replies
21
Views
759
markmcder
M
C
Curcio Audio
Replies
5
Views
536
Ray Waters
R
Merlinb
Output impedance falls by more than the feedback factor?
Replies
18
Views
1K
waltube
waltube
revintage
Harmonic pattern of SE
Replies
72
Views
2K
waltube
waltube
jx86
advice on how to better organize collection
Replies
0
Views
116
jx86
jx86
A
Is it safe At 85% idle Two 6L6 GC RCA ?
Replies
11
Views
370
dubadub
dubadub
K
A different use for tubes...
Replies
6
Views
518
kb2wyl
K
E
White Cathode Follower - Cathode bypass capacitor question
Replies
10
Views
735
evonimos
E
Zero Cool
Source for Tube Preamp Transformers???
Replies
29
Views
851
Merlinb
Merlinb
Windcrest77
Over the top dim bulb tester, improvements
Replies
57
Views
6K
Windcrest77
Windcrest77
P
Want to build a single input line level valve pre … suggestions please
Replies
18
Views
577
jean-paul
jean-paul
F
Need help to identify an amplifier
Replies
9
Views
694
22C
2
R
Cap values needed
Replies
9
Views
305
Radian
R
swingarm63
Can anyone identify these output transformers?
Replies
0
Views
191
swingarm63
swingarm63
S
Cheap Transformers!
Replies
21
Views
2K
indaco
I
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