We can provide
power transformer which use for 117V, 120V, 220V, 230V, 240V.
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Facebook Channel: Otomon Vintage FB
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OTOMON LAB 71A drive 45/VT52/300B compatible tube amplifier 20W power Zero NFB (O.U.D.D.C) on wooden single slab
Technical data is just an improve that item was tested carefully before sending to customer. While our products consistently achieve good to excellent technical figures compared to commercial alternatives, those numbers serve only to confirm that the design contains no engineering errors.
We could, in most cases, apply active techniques to make the specifications look even more impressive — but if doing so strips away originality or musical character, we will not do it. Our aim is to build equipment that sounds beautiful, not equipment that measures beautifully.
At OTOMON, music is judged by the ear and no instrument can replicate the human 's ear.
We could, in most cases, apply active techniques to make the specifications look even more impressive — but if doing so strips away originality or musical character, we will not do it. Our aim is to build equipment that sounds beautiful, not equipment that measures beautifully.
At OTOMON, music is judged by the ear and no instrument can replicate the human 's ear.
OTOMON LAB 71A drive 45/VT52/300B compatible tube amplifier 20W power Zero NFB (O.U.D.D.C) on wooden single slab
This prototype amplifier is only sent inside Japan, no oversea shipping. If you want the nearly same one, you need to order for custom made. Price for order the same one is 4250USD. Custom made product can be ordered 117V, 120V, 220V, 230V input.
All transformers are vintage SANSUI transformer. This is prototype product has input 100V only and used vintage transformer, so price is cheaper than order made product.
This can be used with 3 type of tube , 45/ VT52 and 300B
This is absolutely the best PP amplifier that I have ever made, using O.U.D.D.C schematic ( patent No 66487 )
This is order made product that adopt new circuit O.U.D.D.C, and the result is as usual, really amazing.
This prototype amplifier is only sent inside Japan, no oversea shipping. If you want the nearly same one, you need to order for custom made. Price for order the same one is 4250USD. Custom made product can be ordered 117V, 120V, 220V, 230V input.
All transformers are vintage SANSUI transformer. This is prototype product has input 100V only and used vintage transformer, so price is cheaper than order made product.
This can be used with 3 type of tube , 45/ VT52 and 300B
This is absolutely the best PP amplifier that I have ever made, using O.U.D.D.C schematic ( patent No 66487 )
This is order made product that adopt new circuit O.U.D.D.C, and the result is as usual, really amazing.
All transformers are vintage ones. No tubes are included. This amplifier is working in class A, output power for 300B is 20W Zero NFB !!!
With Zero NFB, the response frequency is from 20Hz to 45K Hz(-3db).
With 45, VT-52, output power is 10W.
The sound as testing in our system is really good. The biggest characteristic of O.U.D.D.C is that it bring a quite difference bass sound. Deep, rich, open sound stage and detail.
Specification (Zero NFB)
Response frequency : 16Hz ~ 45KHz (-3db)
Hum level: 0.25mV
THD : 5% 20W(300B)
This item was SOLD OUT, you can ask me for ordering the same one or contact to me to get notification of the same one.
With Zero NFB, the response frequency is from 20Hz to 45K Hz(-3db).
With 45, VT-52, output power is 10W.
The sound as testing in our system is really good. The biggest characteristic of O.U.D.D.C is that it bring a quite difference bass sound. Deep, rich, open sound stage and detail.
Specification (Zero NFB)
Response frequency : 16Hz ~ 45KHz (-3db)
Hum level: 0.25mV
THD : 5% 20W(300B)
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