Focus Coil circuits? - Videokarma.org TV - Video - Vintage Television & Radio Forums

		Videokarma.org TV - Video - Vintage Television & Radio Forums > Early B&W and Projection TV
Focus Coil circuits?

FAQ

Members List

Calendar

Notices

Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html


	We appreciate your help in keeping this site going.

Thread Tools

Display Modes

12-12-2021, 12:12 PM

Tom9589

VideoKarma Member

Join Date: Jan 2013

Location: Stone Mountain, GA

Posts: 486

You could also consider a permanent magnet focusing mechanism and need no external circuitry. Early RCAs, such as the KCS 49 chassis, had such an arrangement. I also think some of the early Philcos had PM focusing units.

Last edited by Tom9589; 12-12-2021 at 01:06 PM.

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -5. The time now is 11:16 PM.