If the primary is open, you can try to parallel another 12 volt, or 6 volt transformer to the existing windings. Make sure their current capability is adequate. Otherwise, if you cannot find a replacement, you could step up to a nice HP 8640B. 73 – Mike

Mike B. Feher, N4FS

89 Arnold Blvd.

Howell NJ 07731

848-245-9115

From: [email protected] <[email protected]> On Behalf Of benny leonard
Sent: Monday, February 28, 2022 12:47 AM
To: [email protected]
Subject: [MRCA] an/urm power supply

It has been along time that I have posted any thing here but I need a power supply for a an/urm 25d can any one help me the primary is gone on mine

Benny