TRW/ UTC  Model A-21

 Good condition with moderate wear to the case finish.   

This model is listed as a Mixing, Matching transformer and has many applications for high quality, balanced audio circuits. 

All of the UTC 'A' style cases offer true hum balancing coil structure.  These die cast cases are well shielded, and offer top and bottom mounting threads.

The transformer measures 1.5" x 1.5" x 2" (H).

The specifications are as follows:

Primary: 50, 200, 500 Ω Impedance

Secondary: 50, 200, 500 Ω Impedance

Frequency Response: 30 Hz to 30KHz

Max Level +15 dbm

Hi Pot 500 volts