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Accuphase C-47 Stereo Phono PreAmplifier

Sale price$12,575.00

The Accuphase C-47 Phono Preamplifier stands out as a pinnacle of audio engineering, tailored specifically for the discerning audiophile. Representing the zenith of the C series, this preamplifier boasts a fully balanced configuration from input to output, ensuring exceptional noise immunity and signal purity. Its dedicated head amplifier, meticulously optimized for both Moving Coil (MC) and Moving Magnet (MM) phono cartridges, guarantees precise equalization with minimal noise interference. Moreover, the high-accuracy equalizer amplifier further enhances the fidelity of the audio signal, ensuring that every nuance of the music is faithfully reproduced.


The Realisation of a Dream — Fully Balanced Phono Equaliser Amp

Featuring exceptionally low noise levels and precise equalization characteristics, the C-47 boasts a two-stage design meticulously engineered to handle MC and MM cartridges with optimal performance. Its low-noise head amplifier, designed for high gain (MC: 50 dB, MM: 20 dB), minimizes the influence of noise components in subsequent equalization stages, ensuring outstanding low-noise performance alongside highly accurate equalization properties. This design choice results in unparalleled fidelity and clarity in audio reproduction.

A groundbreaking addition to the series, the C-47 introduces a fully balanced configuration, effectively shielding against external noise interference. Employing balanced signal amplification throughout, starting from the cartridge output treated as a balanced signal, through the head amplifier's balanced amplification, and maintaining balanced signal transmission post-head amplifier, ensures consistent and pristine signal integrity. Furthermore, the equalizer amplifier adopts a balanced configuration, ensuring complete balanced signal transmission for comprehensive equalization, delivering an immersive and authentic audio experience.

Incorporating a meticulously engineered low-noise regulated power supply circuitry, the C-47 guarantees stable and high-quality power delivery crucial for handling delicate phono signals. The smoothing circuitry, featuring specially selected capacitors known for their sonic properties, virtually eliminates adverse effects from ripple currents. Additionally, the use of a regulated power supply circuit with minimal noise voltage and exceptional load fluctuation handling further ensures that the power supply remains silent, preserving the purity of the audio signal. Moreover, the inclusion of a dedicated balanced MC phono input enables seamless integration with balanced signal transmission, allowing audiophiles to fully leverage the capabilities of their analogue record players with confidence and precision.


  • Low-noise fully balanced configuration

  • One dedicated balanced MC phono input and three sets of regular phono inputs

  • Separate settings memory for each input position

  • Balanced and line level output connectors

  • Balanced output polarity selector

  • Full mono construction

  • Separate toroidal power transformers for left and right channel

  • Low-noise regulated power supply circuitry unaffected by load fluctuations

  • High-accuracy phono equalizer with RIAA deviation of only ±0.3 dB

  • Load impedance settings for six MC and three MM phono cartridge types

  • 7-segment LED indicator shows load impedance

  • Gain selector for low-output phono cartridges

  • Built-in subsonic filter

  • Disc equalizer assembly using glass cloth fluorocarbon resin PCBs with low dielectric constant and low losses

  • Gold-plated printed circuit boards

  • Aluminum top plate with hairline finish

  • Elegant side panels with natural wood grain finish