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However the high-end analogue market has moved to a more classic design and use of relatively heavy cartridges with low compliance and low resonance frequency. This allows big sound on big systems. Such cartridges need a heavier arm with more internal damping. Additionally, many customers today want to use different cartridges with different sound types depending on the music style. For this you need a detachable headshell to ensure easy and quick changeovers.
We use different alloys of metal and aluminum, all worked on the highest precision CNC machine with diamond cutters. The classic S-shaped tonearm tube is made from special aluminum with highest internal damping. To keep the speed of the Pro-Ject sound, we use a special oil-damped uni pivot design. Most common S-shape arms use ball race bearings with much higher friction, which tends to sound slow in an arm with high effective mass. To make the installation of different cartridges even easier, you can adjust overhang at the tonearm base and adjust the VTA via a hand-set without any additional tool. It´s easy and super fast!
The tonearm is delivered with one diamond-cut alu headshell with 12-grams mass. To maximize the sound options and allow optimum cartridge headshell weight and resonance combinations we also offer two different even more lightweight headshells as an option: Carbon and Wood. They all give a different sound. You easily can ´tune´ the effective mass of the arm according to the compliance of the cartridge to reach an optimum resonance frequency.