We are selling a vintage Rauland model R1050 microphone / step up input transformer 7-pin.  Has wear from use like scratches, scuffs and dust.  Sold AS IS, please see high-res photos for more details. 

See attached photo for Frequency Response. 

Details: 

Rauland R1050, R-1050, LA-0082-B
Input Transformer (microphone, Step Up) 
200-300 ohms, 40-48K ohms

Test Result:  Tested with multi-meter for resistance only

Test results upon request as we have 20 of these transformers available.

Tech Notes: 

-50, 150 and 600 ohms source impedance
-Load is 100K ohms 
-Turns ratio is 11.47:1  
-If the primary is rated at 200 ohms, the secondary is 25k ohms 
 
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All items are Sold AS IS (unless otherwise stated),  Worldwide Shipping (GSP 60+ Countries),  Payment due 4 days after auctions end, Ships 1-2 days after payment is received... Thank you & Happy Bidding.