Arcam rPhono External Phono Stage Launched

Another Black Box rSeries

by hodg100 Jan 19, 2017 at 11:57 PM

  • Hi-Fi News

    Arcam rPhono External Phono Stage Launched
    Designed specifically to upgrade an in-built phono stage or to add a turntable input to an existing amplifier, the rPhono is the latest addition to Arcam’s expanding Black Box rSeries.
    With more than forty years of analogue audio experience, Arcam really ought to know how to build a phono stage and the rPhono is said to use the finest quality parts in a layout that is optimised for low noise and minimum distortion. The multi-layer PCB, says Arcam, allowed their designers to maximise the quality of the ground plane so that interference between components is further reduced.

    A range of features are specifically designed for optimal matching of a turntable’s cartridge. Moving coil users benefit from precision impedance matching using high-quality trimmers instead of discrete steps, while moving magnet users have a wide variety of capacitance options. An optionally selectable low frequency “rumble” filter eliminates the effects of warping or pressing irregularities, which can be present on some vinyl.

    The rPhono Pre-Amplifier is available at £399.

    Tech Specs:

    •Frequency response Rumble filter OFF - 20Hz-50kHz ± 0.2dB -3dB at 7Hz
    •Rumble filter ON - 45Hz-50kHz ± 0.2dB -3dB at 20Hz, -13dB at 10Hz
    •Total Harmonic Distortion + Noise (at 1kHz, 5V Out)
    •MC input, 30dB gain 0.005%
    •MM input, 30dB gain 0.0015%
    •System gain
    •MC input 60, 70, 80 or 82dB
    •MM input 30, 40, 50 or 52dB
    •Input impedance
    •MC input 50 - 550Ω + 1nF
    •MM input 47kΩ + 120, 220, 340 or 440pF
    •Equivalent input noise (A-weighted, 40dB MM gain)
    •MC input 0.06μV RMS
    •MM input 0.5μV RMS
    •Output level
    •Nominal 0.5V RMS
    •Maximum 6V RMS
    •Dimensions (WxHxD) 194 x 44 x 124mm
    •Net weight 1.1kg

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