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We can provide special order made ISO (TANGO) power transformer which use for 117V, 220V, 230V.You dont need to use step down transformer as using my amplifier. Please contact me for more detail. !!!

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Sales price:
$ 6,500(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Shipping fee: $500 (Free shipping fee for all customers have Japan shipping address)

Manufacturer:
D.I.Y

Audio amplifier » Tube amplifiers
Extra RARE tube amplifier using PX-4 and PX-25 tube. output transformer are Hirata Tango X-3.5S. You can change tube from PX-4 to PX-25 just changing switch.

Hirata TANGO X-3.5S is considered as the best OPT for 300B, PX-4, PX-25 tube. This amplifier adopted 310A tube in prestage and secondary stage is 71A driven by Tamura interstage transformer A-342, which is one of the most powerful interstage transformer. You can easily change tube to 300B, 6B4G and any other legend tubes.

I include prestage 310A tube, 71A tube but not PX-25 as well as PX-4 tube.
Click to the image to view it in big size and please read our busines term before making your decision

More detail pictures:

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer