• 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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musicman 2100-65 sixty five
Replies
1
Views
285
Demonkleaner
Demonkleaner
solderbrain
static hiss at 0 volume that diminishes as I increase volume - no input
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19
Views
723
Globulator
Globulator
T
DHT driver for triode wired SE EL84, 6V6 or EL34
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641
Views
77K
andyjevans
andyjevans
andyjevans
How close can you mount output tubes?
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20
Views
1K
egellings
E
A
A couple more BV-60H amp questions.
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4
Views
333
Artie
A
smoking-amp
Tube Rails for paralleling tubes
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39
Views
3K
smoking-amp
smoking-amp
dubadub
Where do all those mAs go? (On reckoning the total load seen by the PT)
Replies
22
Views
1K
dubadub
dubadub
tiefbassuebertr
Matrix Universal PCB with Standard 0.10″ (2.54mm) Holes Spacing and Holes for Vakuum Tube Sockets
Replies
5
Views
530
JMFahey
JMFahey
J
The best sounding 300B SET amp I have ever heard.
Replies
67
Views
12K
kmtang
kmtang
S
Tube Phono Amp
Replies
30
Views
2K
PeteAugello
P
swingarm63
Brook 12a using 6C4C and 6A5G questions.
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43
Views
3K
grovergardner
G
K
Hammond 1650RA primary inductance question
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34
Views
2K
kb2wyl
K
F
Cary Audio Preamp Phono Section (SLP-70)
Replies
44
Views
5K
JoeAlders
J
LouiseSJPP
Remote volume control of valve amp
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37
Views
2K
hooman
hooman
rock12
Output tranny
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3
Views
454
rock12
rock12
T
Hammond 1750pa ltspice
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0
Views
271
tedweb
T
W
Looking for DIY Warm tube preamp (to pair with pass amp)
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26
Views
3K
oltos
O
A
Marantz 7C Build
Replies
40
Views
5K
abartee
A
Wavelength
Stradi tubes, anyone tried these?
Replies
10
Views
2K
Wavelength
Wavelength
solderbrain
Tube testing question
Replies
4
Views
399
egellings
E
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