Probably made near the end if the period during which the official single phase voltage standard for the USA was 110/220 VAC;

Robert Downs

From: [email protected] [mailto:[email protected]] On Behalf Of Jim Whartenby via Milsurplus
Sent: Monday, November 8, 2021 00:22
To: [email protected]
Subject: Re: [Milsurplus] Stancor P4024

Thanks to Dave Merrill for a Radio-News for 1938 link, I finally found the Stancor catalog that had the data I was looking for.  

Of course I did not realize that the power supply I scrapped was built so long ago!  

If anyone is interested, you can find the pdf for the Stancor 1937 catalog here: 

http://www.preservationsound.com/2011/10/stancor-amplifiers-and-full-transformer-data-c-1937/

BTW, the tap on the transformer primary is for 105 volts and the full primary is marked for 115 volts.  

This explains why the transformer was discontinued and not listed in later catalogs.

Regards,

Jim

Too much agreement kills a chat.  E. Cleaver

-----Original Message-----
From: Jim Whartenby <[email protected]>
To: [email protected] <[email protected]>
Sent: Sun, Nov 7, 2021 1:51 pm
Subject: Stancor P4024

Can't find it listed in the pdf catalogs I have here.  Anyone have an idea of the P4024 ratings?  

Ohms out as a tapped primary and a center tapped secondary.  Guessing that the primary is 115 or 125 vac but have no idea of secondary voltage and current ratings.  

Anyone have a clue?

Jim

Too much agreement kills a chat.  E. Cleaver