Restoration Commences on 1947 RCA Victor 721TCS - Videokarma.org TV - Video

		Videokarma.org TV - Video - Vintage Television & Radio Forums > Early B&W and Projection TV
Restoration Commences on 1947 RCA Victor 721TCS

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

#10

06-21-2020, 10:39 PM

Yamamaya42 Yamamaya42 is offline

VideoKarma Member

Join Date: Nov 2018

Location: Round Rock TX

Posts: 3,160

Quote:

Originally Posted by Tom9589

Any idea why RCA put that 5.1 ohm resistor in the filament circuit of the discriminator tube?

not a clue, it is also there on the RCA 630ts (which is what my FADA is a clone of ) , but it's
2.2 ohms, and it also feeds the heater of the Horz sinc disc, also a 6AL5

__________________
=^-^=
Yasashii yoru ni hitori utau uta. Asu wa kimi to utaou. Yume no tsubasa ni notte.
いとおしい人のために

Audiokarma

« Previous Thread | Next Thread »

Thread Tools
Show Printable Version Email this Page
Display Modes
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode

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 02:57 PM.