Burning Amplifier Zero Feedback Gain StageBurning Amplifier 3 Gain Stage Board (BAGS N). One board works for 2 channels. The BA 3 gain stage is the latest feedback less "front end" for the Burning Amp series of Class A Mosfet follower output stages. Illustrated Build guide for the BA 3 The BA 3 gain stage can also be used as a preamplifier. See an interesting preamplifier build using the BA 3. Another example and build guide using the BA 3 gain stage as a line stage preamp: BA 3 preamp build

The v3 will handily drive 100Watts into 8ohm

The Pearl 3 is Wayne Colburn's follow up to the Pearl 2 phono pre-amp

The Super Regulator is marked as "Jung" in these graphs:

Do not use thermal grease

Not to mention its flexibility and adaptability to work with most output devices available locally in wherever country you may be

You want to build a preamp

T-reg accepts input voltages from a transformer/ rectifier/capacitor supply up to a maximum of 500V

Below is just a sample of what you will find the informative collection

Two options are:

allowing you to drop in Japanese 2SA/2SC transistors (pinout ECB) or European BC transistors (pinout CBE) or American 2N transistors (pinout EBC) however you please

This brief period of time can be very harmful to your Power Switch

See this PDF on customizing the output voltage