OTOMON Laboratory　(音門ラボ) / PX-25 mono block x 2 tube amplifier with ELTUS ( Western Electric) transformers, cooper chassis

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PX-25 mono block x 2 tube amplifier with ELTUS ( Western Electric) transformers, cooper chassis

We can provide power transformer which use for 117V, 220V, 230V, 240V.
YouTube channel > Otomon Lab YouTube Channel

I will give discount 10% or more for all item in my eBay listing, contact me for more detail

PX-25 mono block x 2 tube amplifier with ELTUS ( Western Electric) transformers, cooper chassis

THIS ITEM WAS SOLD OUT

Manufacturer:: OTOMON Lab

Audio amplifier > Tube amplifiers

Extra RARE tube amplifier using PX-25 tube. output transformer are ELTUS Maric transformer. You can change tube from PX-4 to PX-25 just make some small changing to schematic. AC direct heater !

ELTUS Maric is very famous manufacturer that reproduce Western Electric horn, driver unit. ELTUS transformer is considered as ones that has nearest sound as Western Electric sound. This amplifier used all ELTUS transformer. Prestage tube and secondary tube are 76 tube, drive PX-25, output is about 8W, no negative feedback. All tube heater are AC direct heater.

Chassis is cooper with satin plated.

Sound is beautiful, sweet, very rich at low and middle low range. Musical sound and very detail with almost instrumental .

Specification:

Output : 10W ( 1Vrms input 8ohm )
Noise: 0.3mV no hum even with 100db sensitive speaker.
Response frequency: 16Hz ~ 30K Hz(0db)
Total Harmonic Distortion: 0.3% at 1W

I dont include PX-25 tube, but all other tubes are included.

Click to the image to view it in big size and please read our busines term before making your decision