Age of early CRTs - Videokarma.org TV - Video - Vintage Television & Radio Forums

		Videokarma.org TV - Video - Vintage Television & Radio Forums > Early B&W and Projection TV
Age of early CRTs

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

#11

09-02-2010, 12:31 AM

Einar72

Chasin roundies since '79

Join Date: Jan 2006

Location: Federal Way, Washington

Posts: 936

So why can't I find an 1800-series equivalent lised for the 7AP4? It has a 5-pin base versus the 6-pin for the 9AP4, 9CP4, 12AP4 and 12CP4. All 5 have the 2.5-volt heater.

BTW, a used copy of Tube Lore fetches $75-$165 on Amazon, with new copies at $24.95, and $17.95 on the EHT.com website.

Last edited by Einar72; 09-02-2010 at 12:44 AM.

« 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 08:03 PM.