OTOMON Laboratory　(音門ラボ) / 71A SE tube amplifier with Western Germany OPT, Bluetooth receiver embedded 230V

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71A SE tube amplifier with Western Germany OPT, Bluetooth receiver embedded 230V

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 !!!

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71A SE tube amplifier with Western Germany OPT, Bluetooth receiver embedded 230V

Sales price:: $ 1,250(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Shipping fee: $150 (Free shipping fee for all customers have Japan shipping address)

Manufacturer:: OTOMON Lab

Audio amplifier » Tube amplifiers Audio amplifier » Special Order Made

71A SE tube amplifier with max 1W of power. Can be used as preamplifier, Bluetooth receiver. OPT is 50s year Western Germany, manufactured in WW2 Sachsenwerk. 5842(WE417A) is included.

Perfect tube amplifier with power tube 71A and drive tube 417A , can be used with 5842 too. It is really amazing sound procedure by an amplifier with only 1W of output. All tubes are not included but I can include tube 5842 x 2as gift, no guarantee.

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

Specification: No NFB

Hum level : 0.08mV
Response frequency : 30~90Khz
THD 5% 1 W

Bluetooth help you connect to smartphone or computer to get source of music.

Input volt is 230V, can be changed to 117V or 100V

Rectifier tube is 80 can be changed to 5Z3 or 5Y3 without modification.