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It is probably the world's first MC phono stage, RIAA equalizing amplifier compatible with current input and current output. It captures minute electric power generated by the MC cartridge as current (= output voltage / internal resistance), amplifies and equalizes it, and sends it to the power amplifier as a current-mode signal. For that reason, it realized a very fresh, high-quality sound and dynamism,  In addition to the current-mode output, you can connect directly with the conventional voltage-mode amplifier with this model.

By adopting the principle superior current-mode signaling in exchanging music signals, it is progressing dramatically from the conventional audio system. By simplifying the conventional voltage-mode complex equipments, the purity of the music signal has been dramatically improved. 

The gain is determined by the internal resistance of the cartridge. For example, for cartridges with an internal resistance of 4 ohm, about 60 dB (@ 1 kHz) is obtained at low gain. For cartridges with an internal resistance of 40 ohm, switching to high gain yields about 60 dB (@ 1 kHz). In both cases, the maximum output is approximately 2.2 Vrms (voltage-mode).

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Specifications

Power Supply: Worldwide, depend on market (IEC 3 pin AC inlet), AC110~120V, AC220~240V (factory assembled)

Input Terminals: Unbalanced RCA pin jack, chassis ground terminal.

Input Impedance: 0Ω - total gain is determined by cartridge internal resistance.

Gain: 60..75dB@1kHz) - adjustable by gain switch.

Type: MC cartridge, CR network RIAA equalizing, NF de-emphasis, dual stage current amplifier.

Line Output (voltage-mode): Unbalanced RCA pin jack, 2.2Vrms

Line Output (current-mode): Unbalanced RCA pin jack, 5.5mAp-p

Operations: Power switch, Gain switch (high/low)

Size W260×H46×D160mm - B5 size

Weight 1.46 kg (without power cable)

Materials: Stainless steel, hairline finished. Stainless top panel with clear acrylic.