VTA ADJUSTMENT ON THE FLY FOR REGA ARMS, ORIGIN LIVE ARMS, and MANY OTHER TONE ARMS:
Pete Riggle Audio announces the VTAF, pronounced 'vee-taff' for 'Vertical Tracking Angle on the Fly'. The VTAF allows smooth and easy VTA (Vertical Tracking Angle) adjustment on the fly and other benefits for Rega RB250, RB300, and RB600 tone arms, and modified versions of these arms by Express Machine, Origin Live (including the OL1 and the Silver), Michell, and versions by Incognito and Brit Audio, and other tone arms with a similar mounting post.
ADVANTAGES (MORE THAN JUST VTA ON THE FLY):
- Improved nuance, inner detail, air, sound staging, dynamics, pace and rhythm compared with the original mounting system! This is above and beyond the VTA adjustment benefit!
- Raises performance of modified Rega tone arms to the highest level!
- Smooth and easy adjustment of VTA on the fly!
- Continuously variable VTA adjustment... infinite resolution!
- High resolution: Each full turn of the adjuster wheel results in only .025 inch (0.635mm) height change
- VTA is easy to measure, record, and reset
- After VTAF installation, the arm can be removed from and restored to the turntable in just moments! Easily remove tone arm for transport, for cartridge maintainance and cleaning, or for cartridge replacement.
OTHER VTA ADJUSTERS, ORIGINAL OR AFTER-MARKET, DO NOT CLAIM OR PROVIDE THE ADVANTAGES LISTED ABOVE.
HOW IT WORKS:
The patent pending VTAF has several parts. A thin walled tubular steel precision adjuster screw with extra fine external threads slips over the threaded mounting post of the Rega tone arm system, and is held there by a thin walled ring threaded onto the mounting post.
A precision machined solid brass adjuster wheel with knurled edge for thumbwheel action (2-1/4" outside diameter, 1/10 inch thick... 56 mm x 2.5 mm) runs smoothly on the extra fine threads of the adjuster screw.
Each turn of the solid brass adjuster wheel raises or lowers the tone arm pedestal by exactly 25 thousandths of an inch (.625 mm). Less than a full turn produces proportionally less change. An easy-to-see witness mark is provided on the adjuster wheel.
A substantial bronze thrust bushing slip fits to the arm board hole and accepts the adjuster screw in a vertical sliding fashion, with only a few thousandths inch clearance, precisely locating the tone arm pedestal on the arm board.
The tone arm pedestal is not fastened down to the arm board, but is supported by the bottom surface of the adjuster wheel resting flat on the precision top flange of the bronze thrust bushing, under the influence of gravity. Because the tone arm is essentially balanced over the pivot point, the tone arm pedestal naturally rests level, without any tipping tendency. This precise but non-rigid "floating" connection of the pedestal to the arm board is the key to better sonics from the tone arm.
A simple precision machined solid brass vertical guide assembly captures the horizontal projection of the Rega tone arm pedestal, allowing vertical motion of the tone arm pedestal, but preventing the pedestal from rotating in the bronze bushing. The vertical guide assembly adjusts smoothly and easily to minimize free play between the guide system and the pedestal projection.
The brass adjuster thumbwheel raises and lowers the tone arm pedestal easily, smoothly, and precisely, with the record in play. The user can hear changes in the reproduced sound as adjustments are made.
The VTAF is elegantly simple, attractive in appearance, solidly constructed, and precision machined from solid brass and steel. The appearance parts are solid brass with a clear lacquer finish.
1 Year Warranty
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