Thursday, March 15, 2012

JFET Preamp By Albert Kreuzer

Schematic

PCB component side

PCB solder side
Pre amplifier with some level use JFET (BF245). This preamp can make sound like a tube preamp. Why use Jfet, cause it has like tbe caracteristc with lower overload than tube (not like tube real).
Posted by HARRY at 11:16 AM
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4 comments:

bxtronics said...

Thanks for sharing :) disponible en France chez Bxtronics

March 21, 2019 at 5:10 AM
Unknown said...

Alguien ya a armado este pre amplificador?
Tubo problema?

February 2, 2020 at 5:17 PM
Wawan said...

I built this preamp, but the tone control ( bass, mid, trebble) is not function...just flat...please help me

August 3, 2021 at 11:35 PM
dsf said...

Has anyone successfully assembled this layout? Is the power supply simply a +15v 0 -15v transformer?

October 3, 2025 at 3:12 PM

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