Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: Mats on March 07, 2011, 05:16:39 am

Title: What PI is this ?
Post by: Mats on March 07, 2011, 05:16:39 am

Hi !
Was looking in my schematic collection and came across this.
I dont know where I got it from.
Some kind of "Concertina" or ?
/Mats

Title: Re: What PI is this ?
Post by: sluckey on March 07, 2011, 12:13:30 pm

It's a direct coupled paraphase inverter.

Title: Re: What PI is this ?
Post by: Mats on March 07, 2011, 05:00:48 pm

Thanks for answer !

Title: Re: What PI is this ?
Post by: Mats on March 08, 2011, 04:23:34 am

Any pros or cons with this type of PI ?
Or is it just an odd one ?
/Mats

Title: Re: What PI is this ?
Post by: sluckey on March 08, 2011, 07:06:17 am

I've never seen it used.

Title: Re: What PI is this ?
Post by: Mats on March 09, 2011, 01:25:42 am

Ok
Thanks for reply
/Mats