• 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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E88CC/6922 Maximum anode voltage
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17
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1K
Staticx
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stephe
Consensus on the Hammond 1628SEA?
Replies
91
Views
5K
smoking-amp
smoking-amp
Tha(t)oneGuy
Who wants to help me figure out what i broke?
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17
Views
779
Tha(t)oneGuy
Tha(t)oneGuy
A
I can't figure out what's causing buzzing in my Laney amp
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3
Views
631
Ademsan
A
waltube
The LCR Phono stage
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18
Views
4K
waltube
waltube
rongon
Equivalent of 6AC7?
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6
Views
2K
huggygood
huggygood
DrDyna
Cary SLA-30 - Understanding schematics
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24
Views
2K
DrDyna
DrDyna
G
Antec Tube Transformer products.
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9
Views
681
grataku
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M
Noise from OPT
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11
Views
564
mrpunkk
M
SoaDMTGguy
What on earth have I done to my amp....
Replies
37
Views
1K
batteryman
B
R
BRZHiFi PAT-A80 Filament Voltage Adjustment
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2
Views
341
RowanG
R
50AE
UL + CFB ratio for a PL36 tube?
Replies
33
Views
5K
emk2
emk2
K
Amp signal fades to a distorted noise no sustain
Replies
0
Views
178
Kalanistone
K
T
What is the primary impedance?
Replies
12
Views
979
poirson
P
Randy Bassinga
White whales ina pod, tube based personal portable
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13
Views
760
Randy Bassinga
Randy Bassinga
T
AirTight ATM-1 Schematic
Replies
106
Views
27K
directdriver
directdriver
D
Ukranian Amp Kit
Replies
38
Views
10K
wisdomxw
W
J
help ID'ing a melted capacitor? mounted inline? with 240V supply
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11
Views
755
grovergardner
G
G
IWISTAO amorphous core pp transformers
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24
Views
7K
wisdomxw
W
andyjevans
The Inverted DHT Amplifier
Replies
22
Views
2K
sser2
S
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