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Audio Note Kit1 300B amplifier

Audio Note Kit 1 2014 Edition

Single ended 300B valve amplifier

8W stereo

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Babelfish XA252

Class A push-pull power amplifier, 50W dual mono

First Watt M2 amplifier

First Watt M2 Clone

Class A push-pull amplifier without negative feedback, 25W dual mono

Cubie2 amplifier

Cubie 2

Simple class A power amplifier with lateral MOSFETs, 8W dual mono

First Watt Aleph J

First Watt Aleph J clone

Class A single ended power amplifier

25W stereo 

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Sony VFET SE

Class A single ended power amplifier using 2SK82 VFETs, 10W stereo

First Watt Sony VFET

Sony VFET PP

Class A push pull power amplifier using Sony VFETs, 15W stereo

MoFo

Big MoFo

Class A single ended MOSFET follower

20W dual mono

First Watt BA-3 power amplifier

First Watt BA-3 Power Amp

Class A push pull power follower

40W stereo

First Watt F4 amplifier

First Watt F4 Clone

Class A push pull power follower

25W stereo

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