Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: shooter on September 25, 2015, 08:04:01 pm

Title: nagging thought
Post by: shooter on September 25, 2015, 08:04:01 pm

the fogs not lifting on this one

1. will it even work? :dontknow: If so will it provide 60hz hum cancelation?

Title: Re: nagging thought
Post by: sluckey on September 25, 2015, 09:32:45 pm

I worked on a couple radar systems that had filaments wired for 12 VAC CT just as you have shown.

Title: Re: nagging thought
Post by: Willabe on September 25, 2015, 09:43:15 pm

Here's 2 good ways;

Title: Re: nagging thought
Post by: sluckey on September 25, 2015, 09:49:16 pm

That's good for 6V operation. But he's wired for 12V operation. Kinda like someone's breadboard.  :wink:

Title: Re: nagging thought
Post by: PRR on September 25, 2015, 10:15:09 pm

> If so will it provide 60hz hum cancelation?

No.

And it is 3 wires when 2 would do.

Title: Re: nagging thought
Post by: Willabe on September 25, 2015, 10:40:20 pm

Quote from: sluckey on September 25, 2015, 09:49:16 pm

That's good for 6V operation. But he's wired for 12V operation. Kinda like someone's breadboard.  :wink:

 :icon_biggrin:

Ain't no thang. 

How 'bout this for 12.6vac heaters;
 

Title: Re: nagging thought
Post by: shooter on September 26, 2015, 12:58:17 pm

Thanks guys, was pretty sure it would work, but only if it came with hum cancelling benefits

dave