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Heater capacity on 6.3 v Secondary

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Heater capacity on 6.3 v Secondary
Bassman Offline

Posts: 8
Threads: 5
Joined: Nov 2022
Location: London (England, not Ontario)
Bio: I am a bassist and electronic hobbyist who makes, modifies and repairs musical equipment.
Including valve preamps and amplifiers.
Currently on my second TUT3 project.
Country: United Kingdom
#2
03-29-2026, 08:02 AM
I'm considering a seperate transformer to supply just the 3x 12AX7 heaters and perhaps a cooling fan.
Possibly a Hammond 266M6 transformer - 6.3V @ 3A.
I would rectify and filter to DC and measure under load to see if I need to drop the voltage to the heaters a little.

Any thoughts?
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Messages In This Thread
Heater capacity on 6.3 v Secondary - by Bassman - 03-29-2026, 06:58 AM
RE: Heater capacity on 6.3 v Secondary - by Bassman - 03-29-2026, 08:02 AM

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