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 LCR preamp with phono stage and line stage separated power supply
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.
Prototype OTOMON LAB LCR preamp with phono stage and line stage separated power supply
You can order MC step up transformer so that you can use with MC cartridges.
What is the best schematic for phono RIAA, of course it is LCR, LCR make very low signal loss, sound is more musical, beautiful note. CR type has beautiful note in sound but easy to get hum, NF type can reduce the hum but actually it uses negative feedback to make the equalizer curve, so the sound is not natural. LCR resolve all above problem, it doesnot have negative feedback so the sound is very beautiful.
LCR has very low input impedance to compare to CR type, so hum come from input signal will be reduce much.
Tubes using is 12AX7x2, 5687x2, 6DJ8x2, EZ81x1, I include tube with amplifier.
You can order to use another tube for prestage or AUX line output.
Specification:
Preamp:
Response frequency: 16Hz ~ 80Khz
THD: 0.1%
Hum level: under 0.07mV
LCR phono stage:
Response frequency 20Hz ~20Khz
THD:0.1%
Hum level: -85db
You can order MC step up transformer so that you can use with MC cartridges.
What is the best schematic for phono RIAA, of course it is LCR, LCR make very low signal loss, sound is more musical, beautiful note. CR type has beautiful note in sound but easy to get hum, NF type can reduce the hum but actually it uses negative feedback to make the equalizer curve, so the sound is not natural. LCR resolve all above problem, it doesnot have negative feedback so the sound is very beautiful.
LCR has very low input impedance to compare to CR type, so hum come from input signal will be reduce much.
Tubes using is 12AX7x2, 5687x2, 6DJ8x2, EZ81x1, I include tube with amplifier.
You can order to use another tube for prestage or AUX line output.
Specification:
Preamp:
Response frequency: 16Hz ~ 80Khz
THD: 0.1%
Hum level: under 0.07mV
LCR phono stage:
Response frequency 20Hz ~20Khz
THD:0.1%
Hum level: -85db
$1,800.00
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