• 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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Ultra-low Noise Valve Regulated PSU. How to?
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9
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MarcelvdG
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smoking-amp
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Kulish Circuit
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12
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smoking-amp
smoking-amp
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A&R 4008 output transformers
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1
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darryl_h
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rsumperl
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Sweep tubes and G3
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3
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smoking-amp
smoking-amp
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Anyone own an HH Scott LK-72 Integrated amp?
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6
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kevinkr
kevinkr
bst
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29GK6 heater current?
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6
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TerrySmith
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M Gregg
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Has anyone used this regulator?
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30
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7K
SY
SY
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Question About High-Fidelity Magazine 195x - 196x
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1
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kevinkr
kevinkr
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Resistor value tweaks for Radford STA35
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3
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kevinkr
kevinkr
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DC heater supply for phono pre
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39
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cr0wl3y
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Rullknufs
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Looking for a tube amp
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64
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Rullknufs
Rullknufs
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Would someone explain this amp to me please?
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10
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tom1356
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wicked1
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7w 300b vs 350w Car audio observation (car loses)
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9
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metalsculptor
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rsumperl
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Drive requirements.....
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3
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992
SemperFi
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C
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2A3 Spud
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38
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CLS
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S
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2300 ohm vs 5000 ohm output trans question
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4
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tinitus
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lazzer408
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6L6 / 12AX7 push-pull
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115
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lazzer408
lazzer408
KenCalgary
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What am I experiencing?
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2
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DF96
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otto88
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Diy HiFi Supply Tram Mk2 DHT OTL Preamplifier
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1
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SemperFi
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splitter/driver stage
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4
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Eli Duttman
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