• 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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Load line for CF
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4
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Sch3mat1c
Sch3mat1c
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My New Project Completed
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7
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redwine1118
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Frazzled
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Tube Depot...
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2
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SY
SY
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PSE 6550 schematic needed
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7
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Eli Duttman
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OTL question.
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2
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Sch3mat1c
Sch3mat1c
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DIY Vacuum tube amp
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2
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Kent Smith
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tube rectified preamp schematic
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14
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sv62
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power supply for 6922 mu follower
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5
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AudioGeek
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Schematic for Siemens "Table" Amplifier
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0
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Valverine
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M
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Dead simple tube circuit
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1
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Fuling
Fuling
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Any info on a Musical Fidelity X-Pre?
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0
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G
T
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SE el84
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10
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benny
benny
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Switching power supply & filament
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2
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cpu_bach
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wsw siemens ultralinear 815 410 G !!?!
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6
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EC8010
EC8010
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Many thanks!
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0
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210422
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J
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NEWBIE needs help-static in one channel of preamp
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5
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fdegrove
fdegrove
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Had a strange problem today...
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2
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Saurav
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Kofi Annan
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Bottlehead Gear
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6
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Kofi Annan
Kofi Annan
jamesjung21
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Modification of 2A3 SE Circuit
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5
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jlsem
jlsem
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2a3 schematic
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2
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SHiFTY
SHiFTY
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