[AMRadio] Elmac AF68 mod driver xfmr

[Robert Nickels]

On 12/4/2018 12:22 AM, CL in NC via AMRadio wrote:
> By any chance, does someone have a AF68 modulator driver transformer they can part with?  Does anyone know of a sub for it?  Anyone redesigned the 12AU7 driver tube circuit so the plate and cathode drive the modulator tubes direct?  Thanks.

Charlie, some re-wire the driver as a phase inverter and eliminate the 
transformer, but for those who want to stay with the original design the 
$17 Hammond PT-156 is equivalent to the old Stancor A-53C and works well:

https://www.tubesandmore.com/products/transformer-audio-interstage-10-ma

73, Bob W9RAN