We can provide power transformer which use for 117V, 220V, 230V, 240V.
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Facebook Channel: Otomon Vintage FB
I will give discount 10% or more for all item in my eBay listing, Contact Us for more detail
King and Queen MkII * 300B drive 211 double PP amplifier class A 70W Zero NFB (O.U.D.D.C)
It takes me 3 years to design and build this amplifier. used (O.U.D.D.C schematic )
You can read rere to know about what is called O.U.D.D.C
This amplifier is 211 pushpull amplifier, drive stage is 300B PP, so it is called double Pushpull, generate 70W of power at THD 5%, Zero Negative feedback.
To get more analog sound, all stages are AC heater, the hum level is only 0.6mV which is very small, you can use this amp with any speakers in the world. You can order to use DC heater if you want even little hum.
Prestage and phase revert is 396A tube, drive stage is 300B, output is 211 tube.
Rectifier tubes used 2x211 or 2x845 which is replica the 40s year of Western Electric amplifier.
Sound is very impact, powerful, musical, speed and wide sound stage. Very rich in mid low and bass and very detail and musical in mid and high range.
Power transformer 220V, 230V, 240V, 117V is available. This is custom made on order, you can change the prestage tube and drive tube to 300B, VT-62 or any other v..v..
Building time is 3 months. No tubes are included.
You can read rere to know about what is called O.U.D.D.C
This amplifier is 211 pushpull amplifier, drive stage is 300B PP, so it is called double Pushpull, generate 70W of power at THD 5%, Zero Negative feedback.
To get more analog sound, all stages are AC heater, the hum level is only 0.6mV which is very small, you can use this amp with any speakers in the world. You can order to use DC heater if you want even little hum.
Prestage and phase revert is 396A tube, drive stage is 300B, output is 211 tube.
Rectifier tubes used 2x211 or 2x845 which is replica the 40s year of Western Electric amplifier.
Sound is very impact, powerful, musical, speed and wide sound stage. Very rich in mid low and bass and very detail and musical in mid and high range.
Power transformer 220V, 230V, 240V, 117V is available. This is custom made on order, you can change the prestage tube and drive tube to 300B, VT-62 or any other v..v..
Building time is 3 months. No tubes are included.
Specification (Zero NFB)
Response frequency : 10Hz ~ 60KHz (-1db) Hum level: 0.6mV
THD : 5% 70W
Response frequency : 10Hz ~ 60KHz (-1db) Hum level: 0.6mV
THD : 5% 70W
$17,500.00
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