Cart

Items in cart:0

Total amount:$ 0

Search

Product categories
Manufacturers
Product name

We can provide special order made ISO (TANGO) power transformer which use for 117V, 220V, 230V,240.You dont need to use step down transformer as using my amplifier

From now we can provide amplifier with wooden chassis based on order of customer. Please contact for more detail !!!

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

Sales price:
$ 5,800(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Shipping fee: $600 (Free shipping fee for all customers have Japan shipping address)

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 L63 (6J5)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, just make some modification.

There are 3 option of NFB, 0db, 3db , 6db

I include prestage 6J5 tube, 71A tube but not PX-25 as well as PX-4 tube.

Specification:

Output : 10W at 600mV input
Noise: 0.2mV (No NFB), 0.1mV at 3db NFB, no noise no hum even with 100db sensitive speaker.
Response frequency: 16Hz ~ 30K Hz
Distortion: 0.4% at 1W 1Khz 15W under 1%
Click to the image to view it in big size and please read our busines term before making your decision

More detail pictures:

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

PX-4, PX-25 mono block x 2 tube amplifier with X-3.5S transformer

*Good Items pick up

King and Queen * 300B drive 845 PP amplifier with X-5P, NC-20F, output class A 50W, class AB 100W

45 SE tube amplifier/preamp/buffer amp driving tube 717A

Final Art Model 808 MkII stereo tube amplifier Shishido IITC special order transformer

717A-71A/10Y/VT-25/45/2A3 tube amplifier with wooden board

Wetrex RA-1474 type preamp with phono stage output transformer