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Rega FONO MM (Display Unit)
Input sensitivity = 1.7mV for 200mV
Input loading = 47KΩ in parallel with 100pF
Maximum input level = 60mV at 1KHz
Gain = 41.4dB at 1KHz
Output impedance = 200Ω
Recommended minimum output load resistance = 5KΩ
Frequency response (50KΩ output load) = 15Hz (-3dB) to 100KHz (-0.2dB)
RIAA accuracy (50KΩ output load) = better than +/-0.2dB 100Hz to 100KHz
Power requirements = 24V AC at 80mA maximum. Only to be used with Rega PS1
The Fono MM has been designed to be effective, easy to use, and above all, to reproduce music. The Fono MM uses a fully discrete, cascaded, complementary amplifier input stage. This configuration has been proven to work well with moving magnet cartridges. The RIAA equalization has been split into two stages to minimise interaction. Polyester capacitors have been used in the signal path and polypropylene capacitors are used in the RIAA equalization circuits.
The aesthetic design of the Fono MM was as important as the quality of its electrical capabilities, so it benefits from the same aluminium case as the Rega TTPSU and Fono MC amplifier, giving it a design which offers a familiar feel and moreover brings it in line with its illustrious bigger brothers.
The Fono disk stage is designed to amplify the signal from a moving magnet cartridge to a level which can feed into a 200mV line level input on a standard hi-fi amplifier.
powering up /
The Fono MM is turned on by pressing the on-off button located on the front, when
the unit is active the Rega logo will glow RED.