Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: Rockranger on September 03, 2018, 03:08:59 am

Title: Normal channel ab763
Post by: Rockranger on September 03, 2018, 03:08:59 am

Just thinking of building the normal channel of the ab763 deluxe amp with some left over parts and wondering how to do the bias pot without the intensity pot connection?
https://el34world.com/Hoffman/files/Hoffman_AB763_2.pdf

Title: Re: Normal channel ab763
Post by: sluckey on September 03, 2018, 06:28:20 am

Here's one way...

     http://sluckeyamps.com/misc/AB763_Deluxe_Lite.pdf

Or see attached modified Hoffman schematic...

Title: Re: Normal channel ab763
Post by: Rockranger on September 03, 2018, 08:39:56 am

Thanks sluckey that’s perfect thanks!