• 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
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Woodside Electronics SET-30 - Help!
Replies
81
Views
4K
rayma
rayma
jcalvarez
Characterising a tube
Replies
55
Views
2K
Bluesystems
B
pjanda1
Datasheet or description with Hammond PTs?
Replies
24
Views
1K
soulmerchant
soulmerchant
N
Suggest a Tube HiFi to build
Replies
9
Views
423
Suncalc
S
diyiggy
How calculate the Rmu resistor in an hybrid Mu follower
Replies
53
Views
4K
diyiggy
diyiggy
inkasound
Using a Japanese SET amplifier in the USA (Ground , Voltage, and Hz)
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28
Views
2K
Logon
Logon
M
Preamp PSU
Replies
19
Views
725
Maurizio
M
W
Help with a 6L6 PP design
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36
Views
2K
Bluesystems
B
W
6L6 PP Amp - Strange distortion - something like crossover?
Replies
9
Views
576
6A3sUMMER
6
D
Rogue Model 100 Power Amp transformers
Replies
0
Views
183
Don Negroni
D
H
At what voltage and frequency defining the OPTs leakage inductance
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17
Views
638
Hans Polak
H
andyjevans
Plate chokes - choosing and using
Replies
59
Views
9K
euro21
E
T
HV Voltage ARC
Replies
16
Views
731
Bluesystems
B
sajadho1988
Output transformer Hi Frequency resonance; How high?
Replies
44
Views
2K
sajadho1988
sajadho1988
T
Do tubes measure better than BJTs/MOSFETs
Replies
40
Views
2K
6A3sUMMER
6
T
Matching tubes by Operating Temperature
Replies
1
Views
212
petertub
petertub
K
Loud hum when negative feedback is connected
Replies
4
Views
305
grovergardner
G
E
Shuguang EL156 Tubes
Replies
14
Views
583
as_audio
A
Dorin Bodea
Classic-vintage SE amp with triodes 26-27/YO186, dvb xfmrs
Replies
7
Views
602
Dorin Bodea
Dorin Bodea
B
Silk/SAC Thailand output transformers
Replies
21
Views
3K
jmaksnap
J
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