This is a PASS HIFI buffer preamplifier with boot buffer function. Refer to the PASS B1 circuit design.

 

It adopts HIFI homopolar pairing 2SK170 (produced by Malaysia, no Toshiba tube), IRFP240+IRFP9240 as output amplification, and LED voltage constant current correction. Make the sound very captivating.

 

The overall sound is very sweet, and you can hear the style sound that PASS brings to you.

 

PCB size: 190mm*83mm

 

 

NOTE: We have DIY kit or finished board (Optional)