• 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
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
482
Suncalc
S
diyiggy
How calculate the Rmu resistor in an hybrid Mu follower
Replies
53
Views
5K
diyiggy
diyiggy
inkasound
Using a Japanese SET amplifier in the USA (Ground , Voltage, and Hz)
Replies
28
Views
2K
Logon
Logon
M
Preamp PSU
Replies
19
Views
737
Maurizio
M
W
Help with a 6L6 PP design
Replies
36
Views
2K
Bluesystems
B
W
6L6 PP Amp - Strange distortion - something like crossover?
Replies
9
Views
580
6A3sUMMER
6
D
Rogue Model 100 Power Amp transformers
Replies
0
Views
184
Don Negroni
D
H
At what voltage and frequency defining the OPTs leakage inductance
Replies
17
Views
874
Hans Polak
H
andyjevans
Plate chokes - choosing and using
Replies
59
Views
10K
euro21
E
T
HV Voltage ARC
Replies
16
Views
745
Bluesystems
B
sajadho1988
Output transformer Hi Frequency resonance; How high?
Replies
44
Views
3K
sajadho1988
sajadho1988
T
Do tubes measure better than BJTs/MOSFETs
Replies
40
Views
3K
6A3sUMMER
6
T
Matching tubes by Operating Temperature
Replies
1
Views
217
petertub
petertub
K
Loud hum when negative feedback is connected
Replies
4
Views
343
grovergardner
G
E
Shuguang EL156 Tubes
Replies
14
Views
609
as_audio
A
Dorin Bodea
Classic-vintage SE amp with triodes 26-27/YO186, dvb xfmrs
Replies
7
Views
610
Dorin Bodea
Dorin Bodea
B
Silk/SAC Thailand output transformers
Replies
21
Views
4K
jmaksnap
J
diyiggy
Moglia Mu Folower : where Is the low fet gate stopper resistor
Replies
5
Views
376
diyiggy
diyiggy
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