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Superfly submini tube guitar amplifier

Small tube amp using submini tubes and a SMPS power supply. Low power but really loud through an effective speaker. Small enough to be built into a regular stompbox enclosure, even a 1590A if you're crazy.

Pre-amp tubes

In order of preference
6112 (gain about 70)
6021 (gain about 35)
6111 (gain about 20)

Power-amp tubes

In order of preference
7327 (unknown gain)
6021WA (gain about 35)
6021 (gain about 35)
6111 (gain about 20)

Other pages


Superfly in a 1590A - With verified schematic and build instructions.


Original thread
Output transformer discussion
More on output transformers
Superfly Special Layout and PCB
Unverified PCB layout
Schematic with tone stack

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