1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
38-12 Code 121 Tube Dilemma
BrendaAnnD
Phorum Expert
*****
Posts: 1,108
Threads: 89
Joined: Jun 2011
City: Tacoma State, Province, Country: Washington
#3

07-24-2013, 04:47 PM
Indeed, a 6A7 is a 6 pin tube, while the 6A8 is an octal. Either the set has been modified or there was a production run change. This set was in the era where octal tubes were in pretty wide use.
Find
« Next Oldest | Next Newest »


Messages In This Thread
38-12 Code 121 Tube Dilemma - by Buzz - 07-24-2013, 04:11 PM
RE: 38-12 Code 121 Tube Dilemma - by Ron Ramirez - 07-24-2013, 04:44 PM
RE: 38-12 Code 121 Tube Dilemma - by BrendaAnnD - 07-24-2013, 04:47 PM
RE: 38-12 Code 121 Tube Dilemma - by Ron Ramirez - 07-24-2013, 04:50 PM
RE: 38-12 Code 121 Tube Dilemma - by Buzz - 07-24-2013, 04:52 PM
RE: 38-12 Code 121 Tube Dilemma - by codefox1 - 07-24-2013, 08:08 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
New Philco Repair Bench
I am sure this is the archive, and not the Chuck's site.morzh — 09:50 PM
Made mistake & did not label connection
It's not like we are good friends with that wire and can tell it from other ptetty identical looking wires. Why'n't you...morzh — 09:49 PM
Made mistake & did not label connection
I'm not sure why that wire wasn't covered in the video. I'm pretty sure the 6A8 won't work until that pin is grounded. Y...RodB — 09:47 PM
Made mistake & did not label connection
You'll have to forgive me, I am not sure what you mean.  Can you explain what you are really saying.  If anyone does not...georgetownjohn — 08:05 PM
Made mistake & did not label connection
Those are details better left to the ones who know. Maybe you disconnected the wrong end of the wire.RodB — 06:22 PM
Made mistake & did not label connection
Maybe this is starting to make some sense in my hard head.  Is this why the wire in question was not in the great Ron Ra...georgetownjohn — 04:34 PM
Made mistake & did not label connection
I was correct with the 6A8 pin connection's, 7 and 8 are connected to ground as well as the tube shield (the broken line...RodB — 02:41 PM
Made mistake & did not label connection
What does the dotted line representing that surrounds the tube in the schematic?georgetownjohn — 02:17 PM
Made mistake & did not label connection
Hello John, I have been there either label got lost or was not labeled ! Sincerely Richardradiorich — 02:15 PM
Made mistake & did not label connection
Sorry, it is a Philco 37-640.  Does that help?--Johngeorgetownjohn — 02:14 PM

[-]
Who's Online
There are currently 1494 online users. [Complete List]
» 1 Member(s) | 1493 Guest(s)
Avatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration