• 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
opnly bafld
Laochen/Oldchen 845-A 3 pairs of trim pots help
Replies
2
Views
260
opnly bafld
opnly bafld
Bas Horneman
Building parafeed EL84 DC 2A3 amp
Replies
157
Views
15K
ggetzoff
ggetzoff
6
6J1 China preamp thoughts
Replies
288
Views
211K
pathway
pathway
S
Bad startup crackle
Replies
11
Views
331
hooman
hooman
jkojic
Dynaco SCA35 - having an output transformer rewound - should i do both?
Replies
9
Views
610
Kolarkar auido
Kolarkar auido
N
6P14/EL84 amplifier kit building questions - before I build - maybe during if I do
Replies
282
Views
20K
Never Get Old
N
K
advice upgrading output transformers and coupling caps in preamp
Replies
25
Views
948
Keremito
K
T
Yet Another QUAD II Restoration
Replies
25
Views
1K
toniburner
T
pinnocchio
Need help for SE 300B 5K output transformers
Replies
54
Views
3K
andyjevans
andyjevans
S
Ampli PCL82 + 2A3
Replies
33
Views
1K
hooman
hooman
P
Is this a bypassed fused cathode of any benefit?
Replies
2
Views
248
trobbins
trobbins
D
Recently built myself an OTL headphone amplifier using three Svetlana 6N1P tubes
Replies
65
Views
4K
DrNomis44
D
D
Tubelab SSE grounding
Replies
2
Views
256
Diyengineer
D
T
10M45 / 10M90 - Plate voltage confusion
Replies
16
Views
1K
Miles Prower
Miles Prower
J
Tube Amp CAYIN CS-55A.
Replies
0
Views
109
Jazzmi
J
H
EL95 cathode follower?
Replies
10
Views
403
Hificat
H
S
Hammond 273BX is smoking after putting it in the two diode center tap arrangement
Replies
53
Views
1K
gerrittube
gerrittube
pjanda1
5k SE Transformer Tests: Monolith, Edcor, Antek, and Tamradio
Replies
27
Views
1K
pjanda1
pjanda1
DieterK
Broskie Tilt Control
Replies
16
Views
809
sumotan
S
C
1kV GU50 PP 100W RMS amplifier from a SINGLE PAIR
Replies
23
Views
2K
matejsirk
M
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