OTOMON Laboratory　(音門ラボ) / Western Electric 91B type PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

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

We can provide power transformer which use for 117V, 220V, 230V, 240V.
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I will give discount 10% or more for all item in my eBay listing, contact me for more detail

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

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Manufacturer:: OTOMON Lab

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.

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