Two Matched Pair RCA MI-12399 MC  transformers  

 matched pair, Ratio 1:14,  Primary : 250 Ohms,  Secondary : 50 000 Ohms 

This auction is for One Set   custom built MC Cartridge Step-up Transformer, it employs 2 mic transformers  Famous RCA MI-12399

A HIGH , LOW gain switch in between 2 transformer.

The transformers is closely match and super sonic. These Transformers are professional units, broadcast and studio recording quality.  They are no longer being manufactured. 

This set of transformers is wired to be used for connecting a moving coil cartridge (on a turntable) to a standard RIAA 47k Ohm phono preamplifier or a standard phono input on a receiver or preamp. 

All material are carefully selected for the best quality.

1, Chassis is  Aluminum  ; Size:(L)106 (W) 55 (H)155

2,  OCC 6N copper wire used internal .

3, High quality, thick gold plated RCA jack for the best contact.

4, 3M rubber for Chassis feet

Please see my feedback for the other MC transformer:

shipping: $30 ship Worldwide by Air Registered Mail.

Please e-mail me if you have any questions Thank you