• 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
diyiggy
Moglia Mu Folower : where Is the low fet gate stopper resistor
Replies
5
Views
371
diyiggy
diyiggy
C
Rewinding toroids for hifi audio
Replies
10
Views
710
Cornwallav8r
C
emartine
PCB slot sockets for tubes
Replies
6
Views
411
petertub
petertub
DieterK
E288CC Preamp/Headphone Amp
Replies
13
Views
565
petertub
petertub
C
Recommended inexpensive tube amp to build?
Replies
78
Views
5K
rongon
rongon
J
SE 6SN7 & 7591S amplifier
Replies
29
Views
2K
Jeanper
J
N
Mikael Abdellah's KT88 SE amp ... Changing input tube from 6n1/6n2 to ecc83/12ax7
Replies
11
Views
659
Tubesaregreat
T
K
Looking for 7591 NOS tubes
Replies
23
Views
1K
xraylaser
X
ampexperts
VTL IT-85 Schematic Needed
Replies
10
Views
744
ampexperts
ampexperts
andyjevans
Do cylindrical plate, round anode tubes sound better?
Replies
154
Views
8K
Bluesystems
B
J
EAR 869 Input Blocking Caps
Replies
15
Views
550
juancho
J
Z
Cathodyne tube line pre (cont'd)
Replies
23
Views
1K
zonula
Z
adason
Base of the tube slightly loose
Replies
76
Views
4K
adason
adason
wrenchone
Capability of Sony/Tamradio SE Output Transformers
Replies
66
Views
17K
wrenchone
wrenchone
M
Precision Fidelity C7A Revised Schematic
Replies
8
Views
823
brianco
brianco
O
Elekit TU-8100 as a phones amp !
Replies
1
Views
187
Orangenut
O
O
Elekit TU-8100 as a phones amp !
Replies
0
Views
143
Orangenut
O
M
Headphone Adapter for Tube Amp
Replies
7
Views
427
6A3sUMMER
6
T
Do the 3C24/35T sound any good at less than half their rated anode dispersion?
Replies
9
Views
375
Zoran
Z
R
Source for archive CD of Sound Practices Magazine
Replies
15
Views
4K
astouffer
astouffer
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