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Akiko Audio

Akiko Audio Churchilllaan 69 6226CT Maastricht  info@akikoaudio.com

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Prima Luna

Durob Audio BV PO. Box 109  5250 AC Vlijmen The Netherlands primaluna@primaluna.nl

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John Van Gent

In de hifi wereld heerst nog steeds de veronderstelling dat 'goed' duur moet zijn, JvG bewijst het tegendeel en biedt goede producten aan tegen een nog betere prijs. High-End audiokabels johnvangent De Hennepe 455 4003 BG Tiel info@jvg-kabels.nl

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Jan Allaerts




Het was in 1978 dat het bedrijf werdt opgericht door J.Allaerts. In het begin leende het bedrijf zijn diensten aan de retailers voor het verrichten van allerlei reparaties aan audio en video hardware. Over de jaren focuste het bedrijf zich steeds meer op de reparatie en onderhoud van micro mechanische onderdelen van cartridge systemen. Hierdoor onstond een enorme hoeveelheid know-how in al de speciale technieken die geintegreerd konden worden in een bepaald inzicht. Hierdoor kreeg het bedrijf werelwijde erkenning voor zijn Topkwaliteit moving coil cartridges die kunnen concureren met de beste andere merken beschikbaar op de markt.

MC2 Formula One
Casing Manually milled and drilled aluminium. 
Special prepare for Gold coated 100 µmm 
Cover 0,3 mm thick, coated with 24 ct. gold foil. 
Color Gold colored finish  24 ct Kobalt.
Terminals Soft iron, shaped by grinding and milling. 
Special prepare for Gold coated 100 µmm 
Connector pins 1,3 mm x 20 mm, 14 ct. solid gold pins. 
Screw bushes 2.5 mm brass threaded bushes mounded into casing. 
Magnet Permanent. (Cat.: rare earth magnet)  Samarium-Cobalt 
Power : max. BH (Kj/m3°) 280 
Coil 2 mm x 2 mm, Teflon Type c 1005 +
Coil windings 20 micron gold handwinding wire +
Stylus holder Solid Boron rod: 0,3 mm x 7 mm. 
Angle of stylus in holder: 0°. 
Stylus tip TIP FG-S High Tech diamond, highly polished finish. 
Rounded radius 4 micron. 
Shock absorption High Tech Rubber, 120 SCHOR
Tension wire Steel wire spring, code 1007 +. 
Coil impedance 32 Ohm 
Load impedance 845 Ohm
Load capacity   150 pF 
Stylus pressure 1.8 grams, Max. tolerance 0,05 gram
Output voltage 150 µV 
Max. tracing capacity >400 µmm 
Channel separation >70 dB at 100  Hz
>60 dB at 1   KHz
>70 dB at 20 KHz
Frequency range    3 Hz to 150 KHz 
Total  THD % 0.01  % 
Total unit weight 11 grams (incl. socket screws)
The technical data specified above are dependent on the actual arm used in the equipment.    Test Equipment :
Goldmund Turntable / Air Tangent  arm with exterior wiring

A cartridge transforms micro mechanical movements into an electrical tension.We are talking about micromechanics since these systems are trying to convey these movements into electricity under very extreme conditions,enormous concentrations of mechanical strain and magnetic energy fields.
The fact that one can go about these in several different ways is well kown and the moving coil principle is only one of many options.
The latest developments in this specific technology showed clearly that it warrants the highest quality feasable.
The drawbacks being mostly its lowish output requiring especially sensitive amplifiers.Due to the variety and complexity of its many orders Allacor increased its research in the field looking for answers on the precise composition and relational behaviour of parts and materials used in a cartridge.We found that to build an exceptional cartridge one needs to pay attention so such details as the molecular structure of the materials used and moreover that the internal electrical potentials within these materials can hinder the energy carriage within the entire system.Therefore it should be said that it soon became clear that some opposing and correlating demands within the system were to be met.One part of major importance is the housing,the so called “shell”,which has to be made of a very soft grade of aluminium which is then to be coated with an extremely resistent conductive oxyde coating.The system’s polar shoes are carved out manually,not machined nor pressed,as to not upset its molecular structure.Also the magnet is picked from a rare earth material with constant magnetism,in such a way that it is not influenced by a changing magnetic field.These three elements,the housing,polar shoes and magnet,once finished are then fitted together with a precision of one thousandth of a milimeter.A presicion that can only be achieved by working under a microscope using specially made tools.

The coils which generate the electrical field are wound by hand and subsequently fixed at the center of the magnetic field.The coilwire used can be either copper,silver or gold depending on the type of cartridge to be built.And again this system is placed with a precision of one thousandth of a milimeter,diagonally crossed onto the magnetic field.Depending on the type of cartridge model a cantilever made out of boron,saphire or diamond is fitted which is carrying the tip.This is either a Fritz Gyger type 1 or S and has an expected life of five thousand playing hours.Tip and cantilever are again mounted with a precision of one micron in line with the housing.Now the cartridge is ready to be sealed with an extremely thin aluminium shell which is goldfoil plated on the inside using twenty four carat gold.This gets connected to the earthing system to provide a cage of Faraday and thereby creates a perfect low an high frequency shield.

Conclusion :

As a music lover technical details like those described probably are not your first concern,although we sincerely hope we have enlightened you a little on the subject.Now you will surely be more aware of the enormous technical skills that creep into the manufacturing process of your beloved cartridge.And rest assured that our computerdriven measuring equipment is taking care of keeping cartridge to cartridge differences to an absolute minimum.But after all is said and done it is finally your hearing that will be the ultimate precision tool in deciding that what you hear is right.Now all there is left to be said is that we whish you an enormous amount of listening pleasure once you’ve become one of those proud owners of a J.Allaerts MC cartridge.

MC1 eco, MC1 Boron, MC1 Boron MKII,  MC2 Finish,  MC2 Formula 1.

Jan Allaerts  cartridge systems.


Triple M audio shop  is vanaf heden leverancier van Jan Allarts Cartridges.


Rue Fechereux 1b

4608 Neufchateau-Dalhem


Tel: +32(0)4-276-1483


Van Deventerstraat 10

3911 KH Rhenen


Tel: +31(0)317 - 612358



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