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Rescued 650 needs help
OZ4
Senior Member
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Posts: 285
Threads: 27
Joined: Nov 2012
City: Tehachapi. California
#9

03-18-2019, 09:42 PM
Yes Ron your right that #2 grid does have b+ on it. It's not AVC and it has a .047uf on it.

I can never get the names right. Let see there is control grid, screen grid, accelerator grid, suppressor grid, and on the 6A7 there are a couple more.

So It looks like this radio is a hybrid between the 650 and the 655. It has the RF selector section of the 650 with the IF and detector section of the 655.
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Messages In This Thread
Rescued 650 needs help - by OZ4 - 03-18-2019, 03:14 PM
RE: Rescued 650 needs help - by Ron Ramirez - 03-18-2019, 05:34 PM
RE: Rescued 650 needs help - by OZ4 - 03-18-2019, 06:15 PM
RE: Rescued 650 needs help - by Ron Ramirez - 03-18-2019, 06:41 PM
RE: Rescued 650 needs help - by LarryFS - 03-18-2019, 07:37 PM
RE: Rescued 650 needs help - by OZ4 - 03-18-2019, 08:23 PM
RE: Rescued 650 needs help - by OZ4 - 03-18-2019, 08:59 PM
RE: Rescued 650 needs help - by Ron Ramirez - 03-18-2019, 09:28 PM
RE: Rescued 650 needs help - by OZ4 - 03-18-2019, 09:42 PM



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