• 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
J
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Final schematic, I think?
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10
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3K
lndm
L
Jeb-D.
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What do you guys think?
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17
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3K
Jeb-D.
Jeb-D.
A
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What should B+ on 300B push-pull be?
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8
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5K
lt cdr data
L
Giaime
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New Phono amp - developing stage
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92
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24K
Christer
C
M
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Is this a Spud Amp ?
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7
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3K
Geek
Geek
jamesjung21
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Replacing ECC83 in Leak Stereo50 with ECC808
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4
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4K
gingertube
G
M
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12AU7 testing result: Are these tubes still good?
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2
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2K
Mrpong
M
dsavitsk
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6N30/6H30 Datasheet
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2
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15K
GRD
G
alexmoose
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Fixed Bias: the ups and downs
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26
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10K
Sheldon
S
A
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Converting from integrated to pure amp
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3
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1K
jane
jane
L
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Input voltage
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2
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1K
lpd
L
K
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New to forum! Or: A few newbie questions
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16
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2K
nickds1
nickds1
Klimon
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Toroidal core saturation
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3
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2K
AndrewT
A
M
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6922 Heater - BIAS
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3
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2K
EC8010
EC8010
B
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Where did nj7p.org go ?
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6
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3K
Geek
Geek
Ryssen
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Morgan Jones and cascodes
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37
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8K
wrenchone
wrenchone
andyjevans
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"Quasi" ultralinear experiment - questions...
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8
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3K
Johan Potgieter
J
alexmoose
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Mystery SE OPT
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4
Views
2K
wrenchone
wrenchone
dsavitsk
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input cap V rating
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3
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1K
Miles Prower
Miles Prower
L
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Otl Se
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15
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12K
liberty
L
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