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We can provide power transformer which use for 117V, 220V, 230V, 240V.

I dont open information about schematic, parts, transformer using in my amplifier. My brand name is the guarantee to what I do with my production !!!

YouTube channel > Otomon Lab YouTube Channel

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【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

THIS ITEM WAS SOLD OUT

Manufacturer:
OTOMON Lab

Audio amplifier » Tube amplifiers Audio amplifier » Special Order Made
This is 71A PP tube amplifier of new design, using 717A as driver tube. Output is 2.5W class A, best matching for high sensitive speaker. This is prototype sale, price for new order made is 2000USD.

This one was made and perfect matching for full range speaker or horn speaker.

It is made for 230V, if you want to use in 117V or 100V input, let me know, I will change power transformer to fit with your input volt. It is really amazing sound with beautiful sound, true sound of 71A. Rich sound with musical and beautiful note.

Specification:

HUm lever : Under 0.3mV
Response frequency 10Hz-90KHz (-2db)
Total harmonic distortion : 0.8% 1W
Output level 2.5W 8ohm 1Vrms 1K ohm
Input impedance: 100K ohm

I include 4x 717A tube. All other tubes are not included. Amplifier use 4 x 71A, 4 x 717A, 1x 83( 5Z3, 5Y3)

Auto bias, you dont need to care any thing every time changing tube.
Click to the image to view it in big size and please read our busines term before making your decision

This product was sold out.    Ask About Item

More detail pictures:

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

【Prototype sales】 71A PP tube amplifier, pure class A 2.5W

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