- SONIC ART CABLE RANGE->
- SONIC ART "ITSaRACKIT" SHELVING
- ORIGIN LIVE TONEARM & TURNTABLES->
- REGA TONEARMS, UPGRADES & WIRING->
- TURNTABLE ACCESORIES->
- PHONO CARTRIDGES->
- ORACLE AUDIO CANADA->
- CEC AUDIO JAPAN
- AUDIOLAB UK
- MATRIX AUDIO
- PRO-JECT AUDIO->
- SONIC ART AC FILTER
- SONIC ART POWER SUPPLIES
- VACUUM TUBES->
- AUDIOPHILE VINYL & CD's
- DIY AUDIO COMPONENTS->
REVIEWS & TECHNOLOGY
The Sonic Art structural mod kit is back! The rear of a Rega arm is extremely important as the counterweight represents the highest mass of the arm which affects the arms performance significantly. As your cartridge tracks its way through the grooves of your record it sends micro resonances up the tonearm tube, some of this vibration sinks into the base of the arm but much of it travels into the end stub/counterweight assembly where it is reflected back down the arm tube, not the most ideal situation for extracting fine detail.
So the first task is to remove the plastic end stub and add an end stub to the arm that is like an extension of the arm tube itself, incredibly rigid yet at the same time semi decoupled. We have done this using high grade non ferrous metals. Our end stub is not screwed onto the arm tube like the factory & most aftermarket stubs, our end stub butts up against the back of the arm tube much like the old OL stubs did, with minimal surface area interaction (decoupling it) and is torqued into place with a thin stainless bolt that screws into a brass insert in the back of the arm tube.
We end up with an essentially rigid arm tube, yet decoupled where the counterweight mounts. We then add a solid machined brass counterweight, close tolerances and rigidly clamped to the stub via a set screw, the sonic characteristics of the brass sink the unwanted resonance waves from the arm tube. We use premium materials for all components, Australian brass and alloys.
The modified RB series of arms have been spoken of as giant killers by many reviewers over the years, focus, detail, dynamics and bass weight, the consensus is a significant improvement in all areas. Add to this internal and external rewiring for a truly unique high performance arm. Our end stub kit will fit any Rega / OEM arm, RB250/300, RB202/302, RB220/330, and any of the higher spec Rega & OEM arms.
NOTE: While structural kits are usually in stock, we may not have one finished, please allow 1-3 days for your kit to be completed and shipped out if this is the case.
This product was added to our catalog on Monday 14 September, 2020.
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