ADC A11791 - Collins 667 0438 00 - Audio Input Transformer 

Input: 150/600 Ohms (two center taps) Output: 60,000 Ohms (center tap) 

-85 to -22 DBM - 30-15,000 CPS - Working voltage 175 volts

Used in a Collins 26U2 Stereo Peak Limiter 
Part designation >>> T1 Transformer right channel - T5 transformer left channel

Buy it now $349 + $10 shipping/insurance  

International Shipping ? No Problem !

Thanks for you interest. 

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