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The Atoll PH100 phono preamplifier is an external module within a steel sheet case with a 4 mm thick front panel ( black or brushed metal ).
Its internal power supply consists of two high-end low-noise transformers ( one per channel ) with four voltage regulators. A metal case further shields it away from any interference. It is entirely built of discrete components without any coupling capacitor.
Any configuration ( MM/MC, input impedance ) is accessible from the back panel.
Input Impedance : 47 kilohms or 100 kilohms Input Capacitance : 100 pF or nothing Moving Magnet Gain : 40 dB Moving Coil Gain High : 47 dB Moving Coil Gain Low : 60 dB Signal to Noise Ratio at 1 kHz : 80 dB Crosstalk at 1 kHz : -82 dB or better Frequency Response : 20 Hz to 20 kHz within 0.1 dB Total Harmonic Distortion : 0.05 % Weight : 2.5 kg ( 5.5 lbs ) Dimensions : 320 X 220 X 65 mmm ( 12.6 X 8.7 X 2.6 " )