Description
The Fono MC MK4 uses the Linear Systems low noise LSK389 FET in an all discrete input stage where low noise and linearity are vitally important to get the best from an MC cartridge. Because of the high input impedance of FET, the loading effects of the amplifier circuit are minuscule and do not affect the performance of the cartridge.
Key Features
– Dedicated moving coil phono stage
– Simple connectivity and operation
– Fully adjustable via DIP switches via rear panel
– MUSE operational amplifier used in RIAA equalization amplifer
– Two selectable gain settings
– Default factory settings matched for all Rega MC models
– Latest design custom casework
– Lifetime warranty against manufacture defects
Technical Specifications:
Output Impedance: 200 O
Recommended Minimum Output Load Resistance: 5 k
Frequency Response (50 kO Output Load): 13 Hz (-3 dB) to 100 kHz (-0.3 dB)
RIAA Accuracy (50 kO Output Load): Better than ±0.2 dB 100 Hz to 100 kHz
Power Requirements: 24 V AC at 150 mA maximum
Load settings for adjustable MC stages:
Input Sensitivity (for 200 mV Output): 4 off = 133 uV / 4 on = 67 uV
Input Loading Resistance: 1 and 2 off = 400 O / 1 on = 100 O / 2 on = 150 O / 1 and 2 on = 70 O
Input Loading Capacitance: 3 off = 1000 pF / 3 on = 4300 pF / Gain (at 1 kHz) / 4 off = 63.5 dB / 4 on = 69.5 dB
Maximum Input Level (at 1 kHz): 4 off = 6.7 mV / 4 on = 3.4 mV
Factory settings for all Rega MC cartridges: Impedance 100 O / Capacitance 1000 pF / Gain Setting High
For more information please visit the Rega website
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