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Black Pearls
Veröffentlicht von BlackPearls in NEW · 29 Mai 2017
Tags: PlattenspielerVinylLP

Well Tempered Lab has tried to achieve perfection in phonograph record playback knowing full well that perfection is not possible. Many obstacles stand in the way of perfection: tracking angle, damping to eliminate sideband distortion, motor control, rotational stability, vibration suppression, mechanical isolation, skating forces, to name some of the obstacles. Some time ago Well Tempered Lab invented a Tracking Angle Analyzer to examine the issue of tracking angle and tracking angle distortion.

The objective was to analyze tracking angle problems from a graphical perspective rather than from a mathematical perspective dealing with pages of equations. Now the Tracking Angle Analyzer has been used to see if a longer arm could eliminate or minimize skating forces on the cartridge stylus. This approach has proved successful and has led to the conception of The Well Tempered Royale 400 with an arm length of 16 inches or about 400mm. Using the Tracking Angle Analyzer to determine the geometric parameters reveals the following: with an overhang of 0.25 inches and a tracking angle of 11 degrees, there will be 1.5 degrees maximum tracking angle error at the outer most grooves and approximately 1 degree of tracking angle error over the rest of the record surface.

This geometry, with a small overhang, satisfies the objective of the Royale 400. Overhang of course causes skating forces and with an over hang of only 0.25 inches, there is barely any skating force and the residual skating force is eliminated by the twist of the filament suspension system.

Measurements of the residual skating force indicate that it is less than 0.1 gram and is thus inconsequential.

William Firebaugh

Our flagship turntable.
A multilayer plywood plinth sandwiched between anodised aluminium top and bottom layers.
Includes 16” (400mm) LTD tonearm.

© 2017 Created by Horlaender

Neue Strasse 11
65520 Bad Camberg

Fa. BLACK PEARLS Harry Langer
StNr.: 00484030837
Telefon +49 06434 933 6704
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