Sphono + Sphono Power Phono Preamplifier
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Sphono + Sphono Power Phono Preamplifier

Power by High Quality Linear Power Supply (Sphono Power), provide pure DC+-48V and +15V high dynamic range to Sphono.
Dual Mono design.
Balanced and unbalanced outputs.
Front panel input select switch for 2 MM inputs and 2 MC inputs.
Front panel subsonic filter switch.
Front panel MM/MC Gain select.
Front panel EQ curve select for IRAA and IEC.
Variable MC impedance adjustment of 56/100/220/470/1K2/47K ohms.
Variable MM loading adjustment of 47/100/150/220/330/470 PF.
RIAA/IEC accurate to within 0.2dB.
Audiophile grade resistors and capacitors.
Audiophile grade XLR output jacks.
Gold-plated RCA input and output jacks.

Sphono Specification
Frequency Response

20-20Khz

THD

MM <0.002%, MC <0.09%.

S/N Ratio MM 96dB A-weighted, MC 82dB A-weighted.
Input Impedance

MM 47k ohm, MC variable 56/100/220/470/1K2/47K ohm.

Input Capacitance

MC 100PF, MM 47/100/150/220/330/470PF.

Gain

40dB/46dB for MM, 60dB/66dB for MC.

Power In

DC +- 48V and +15V (Power by Sphono Power).

Casing

4mm Aluminum

Dimension (WxDxH) 300x220x66mm
Weight 3.5KG
Sphono Power Specification
AC Input Voltage 110V-120V, 60Hz / 220V-240V, 50Hz (Switchable).
DC output Voltage DC +- 48V and +15V.
Power Consumption 18 Watts
Casing 4mm Aluminum
Dimension (WxDxH) 300x220x66mm
Weight 5KG

Positive Feedback-Sphono
HIFI STATEMENT-Sphono.PDF
20190813 U-AUDIO 供電倍增 超值破錶 Keces Sphono唱頭放大器.PDF