YAQIN SD-CD1 Upgrade 6992 Tube Buffer Processor for CD / VCD / DVD Player



  • The SD-CD1 is a tube signal buffer that softens the shrill, thin sound from many of today’s digital sources and restores the rich harmonic content that makes music sound lively and natural.

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Product Details


Frequency Response: 5hz-500KHz(-1db)

Distortion: <0.15%(1khz)

S/N Ratio: >60db

Tube: 6N1 (additional 6H1n x1 tube Gift free (Made in Russia))

Weight: 1.9 kg  gross weing: 2.3kg

Size: 17.5 x11.5 x13 cm

Power Supply: AC 110V(±10%)/ 220V(±10%) 60Hz/50Hz 


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