• 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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Help Identify This AMP!
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8
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DoomPixie
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Looking for EL32 schematic
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1
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Jax
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Aikido Crackle Hiss Noise Solved
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1
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JojoD818
JojoD818
leadbelly
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Any common cathode (grounded grid) schematics?
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2
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hacknet
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First amp
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8
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MattWeth
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bst
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Anyone have curves for a 5HC7?
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0
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bst
bst
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Ok guys, get your daggers out.......
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7
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Kent Smith
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TonyTecson
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Svetlana EL509 III tubes
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5
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TonyTecson
TonyTecson
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Most accurate way of matching triodes ?
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4
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Dave Cigna
Dave Cigna
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Will adding a 10H/125mA choke hurt bass performance
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10
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amperex
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B
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Sherwood 5500
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0
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bobhedberg
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A
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Loud sudden rumbling when turn on amp
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9
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anatech
anatech
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Kit amps in the UK
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5
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andyjevans
andyjevans
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Biasing pre-amp problem
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3
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rlaury
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comments on www.shinrock.com???
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4
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zix
zix
dsavitsk
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noisy noisy noisy noisy noisy tube
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50
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dsavitsk
dsavitsk
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Not your average output transformer problem
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7
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Turbo7MN
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Hybrid amplifier help...
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83
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DoomPixie
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Balanced Audio Technology VK 3i preamplifier
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1
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reinhard
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noob pre/pwer amp recording ?s
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0
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ghola
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