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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

  • Recommendation

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

THIS ITEM WAS SOLD OUT. If you want the same one, you can order me to get the same one.

Manufacturer:
OTOMON Lab

Audio amplifier » Tube amplifiers Audio amplifier » Special Order Made
307A tube amplifier with drive tube is EF37. Output is 5-6W. Prestage tube can be changed to 6J7, WE348A, ITT 5/175D without modification. Price include all tubes.

Output transformer is 60s year Partridge, very rare and valueable ones. Chassis was made from Wenger wood. very beautiful and miracle.

It is 110-120V spec, if you want to change to 230V let me know.

307A is direct heat penthode tube, very special tube, it is better to use Western Electric tube if you have chance to get it.

The sound is very beautiful and detail. The sound 's balance is very good with musical in note.

Specification:

HUm lever : under 0.1mV
Response frequency: 16Hz~25KHz
Total harmonic distortion : 0.5% 1W
Output level 5W 8ohm 1Vrms
Power consumtion: 30W

All tubes are included.

Auto bias, you dont need to care any thing every time changing tube.

Rectifier tube is 5U4, 5AR4, GZ34 ... .
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:

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

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