1 pcs Western Electric C-I-C Core (300B 2A3 EL34 tube amplifier output transformer materials)\

1 pcs = $58

About 5 pcs to wind 1 pair of 171A or 171C transformer.


1 pcs can wind pre-amplifier output transformer.

It is also possible to wind power choke.

I have made 171 case.

https://www.ebay.com/itm/125282780408

INTERNATIONAL SHIPPING

Asia, the arrival time of 5-8 days.
Europe and North America 10-20 days.