OTOMON Laboratory　(音門ラボ) / 300B SE headphone amplifier made for planar magnetic Zero NFB

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300B SE headphone amplifier made for planar magnetic Zero NFB

You can order input voltage 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 !!!

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300B SE headphone amplifier made for planar magnetic Zero NFB

This product is special order made item, if you want the same item, please contact me for order

Manufacturer:: OTOMON Lab

Audio amplifier » Tube amplifiers

300B SE stereo tube amplifier using for headphone. Customer ordered made for planar magnetic headphone and another headphone with low impedance. Zero NFB !!!

Prestage tube is 417A tube, rectifier tube 5U4G or 5R4GW or GZ34. Input is RCA and XLR, output is XLR 4 pin and 6.3mm jack.

This is pure class A1 and Zero NFB, response frequency is flatted from 16 Hz to 45 KHz

Specification:

Response frequency 16Hz ~ 45KHz ( Flatted ) 16ohm 3W 10hz ~ 60KHz ( -1db) 16ohm 3W
Hum level : 0.05mV
THD: 0.6% 1W
Output impedance : 16ohm~300ohm

Input volt is 100V,117,230V.

Input impedance is 100Kohm

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