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The Fono MC MK4 is an exceptionally high quality MC phono stage designed to maximise the potential of any low output MC cartridge. Although specifically designed to compliment the latest Rega range of moving coils you will find full adjustability for gain and loading via dip switches conveniently placed on the rear panel making the Fono MC MK4 compatible with a wide range of low output MC cartridges. Now housed in a brand new redesigned case to match the new Fono MM MK5 and Neo MK2 and Rega’s latest range of electronic components offering a modern look guaranteed to integrate in to any hi-fi system.
Product Details
The Fono MC MK4 has been designed to be effective, easy to use, and above all, to reproduce music. 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.
A MUSE operational amplifier is used in the RIAA equalization amplifier. Polypropylene capacitors have been used in the signal path and in the RIAA equalization circuits. There is selectable input loading for both resistance and capacitance along with two different gain settings located on the back panel making the Fono MC MK4 compatible with most low output MC cartridges. The new Fono MC MK4 circuit resulted from the development work carried out on the hugely successful Aria phono amplifier.
The aesthetic design of the Fono MC MK4 was as important as the quality of its electrical capabilities, so it benefits from the same new aluminium case as the Rega Neo MK2 PSU and Fono MM MK5 phono stage, giving it a design which offers a familiar feel and moreover brings it in line with its illustrious bigger brothers.
Technical Specification
The Fono disk stage is designed to amplify the signal from a moving coil cartridge to a level which can feed into a 200mV line level input on a standard hi-fi amplifier.
Specifications
Input sensitivity (for 200mV output)
Input loading resistance
Input loading capacitance
Maximum input level (at 1KHz)
Load settings for adjustable MC stages
Fono MC dip switches settings below (factory set at Rega for Rega MC models)

You can read an online multilingual manual about MC-MK4, please click here.
-14% Black Friday 2025
Our all time best Promotion
Are some products out-of-stock? Please Contact Us
Power Supply is not included. This device must be purchased together with Heed Q-PSU
B-Stock product, (read below) in excellent condition with original packaging, 2 year warranty.
Introducing a Step-up is the most elegant method both sonically and electrically to use a low-output MC cartridge with an MM Phono input.
B-Stock product, (read below) in excellent condition with original packaging, 2 year warranty.
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