We can provide power transformer which use for 117V, 220V, 230V, 240V.
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OTOMON LAB 300B drive 300B PSE tube amplifier Zero NFB 18W
Special order made amplifier, working as para single end, power tube 300B, driver tube EL-34 or KT-66. Chassis was made from cooper. Interstage transformer is the most powerful NC-20
Based on order from customer who are the audio mania, His order is just making the best one without being care about money. Parts were selected one by one from the highest grade ones. Tube socket is Yamamoto Soundcarft, wiring is solid pure cooper LC-OFC wire. I can not choose a better part for this one.
Amplifier is working in class A, para single end mode which there are 2 tube 300B working in single end. The plate current is about 120mA. It need a big and powerfull OPT like X-2.7S, X-2.5S or FW-150-3.5RS. Primary is 12AU7, secondary is EL-34 or KT-66, driver by NC-20 interstage transformer.
Sound is great, well balanced and wide sound stage. Very dynamic bass sound and sweet middle sound. The high frequency is very natural and vivid.
Because of lacking parts, it is very difficult if you want to order the same one but I will give you some other solution to build a nearly same with this one.
Based on order from customer who are the audio mania, His order is just making the best one without being care about money. Parts were selected one by one from the highest grade ones. Tube socket is Yamamoto Soundcarft, wiring is solid pure cooper LC-OFC wire. I can not choose a better part for this one.
Amplifier is working in class A, para single end mode which there are 2 tube 300B working in single end. The plate current is about 120mA. It need a big and powerfull OPT like X-2.7S, X-2.5S or FW-150-3.5RS. Primary is 12AU7, secondary is EL-34 or KT-66, driver by NC-20 interstage transformer.
Sound is great, well balanced and wide sound stage. Very dynamic bass sound and sweet middle sound. The high frequency is very natural and vivid.
Because of lacking parts, it is very difficult if you want to order the same one but I will give you some other solution to build a nearly same with this one.
All parts are new ones. No tubes are included. This amplifier is working in class A, single end mode generate 7.5W of power for one channel. Zero NFB !!!
This is 300B PSE tube amp, 2 x 300B tube in one channel and para connection. Single end with output 18W per channel.
Prestage tube is 417A, 300B tube is used for driving 2x 300B tube in power stage.
With Zero NFB, the response frequency is flatted from 30Hz to 40Khz, this is impossible to all amplifier that I made before. At -1db it is from 16Hz to 40K Hz.
The output power is 18W.
The sound as testing in our system is great with low bass well balanced with musical sound. The biggest characteristic of O.U.D.D.C is that it bring a quite difference bass sound. Deep, open sound stage and detail.
Specification (Zero NFB)
Response frequency : 16Hz ~ 60KHz (-1db) Flatted from 30Hz to 50Khz
Hum level: 0.3mV
THD : 5% 18W
All tubes are not included.
This is 300B PSE tube amp, 2 x 300B tube in one channel and para connection. Single end with output 18W per channel.
Prestage tube is 417A, 300B tube is used for driving 2x 300B tube in power stage.
With Zero NFB, the response frequency is flatted from 30Hz to 40Khz, this is impossible to all amplifier that I made before. At -1db it is from 16Hz to 40K Hz.
The output power is 18W.
The sound as testing in our system is great with low bass well balanced with musical sound. The biggest characteristic of O.U.D.D.C is that it bring a quite difference bass sound. Deep, open sound stage and detail.
Specification (Zero NFB)
Response frequency : 16Hz ~ 60KHz (-1db) Flatted from 30Hz to 50Khz
Hum level: 0.3mV
THD : 5% 18W
All tubes are not included.
$8,000.00
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