Clearaudio Trackability Test Record

The indispensable Record to install a cartridge!

€ 59,00 Price include 21% VAT Price exclude VAT € 48,76

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The Trackabillity provides information on the sampling characteristics of your tonearm / cartridge combination. The higher the value achieved, the better the relevant tonearm / cartridge combination is to scan difficult groove modulations without distortion. Amplitude accurancy +- 0.1 dB

Tracking Ability Test

If you´d like to learn more about the tracking abilities of your tonearm-cartridge combination,

this test is a perfect tool. We cut a 315 hz signal and increase the amplitude in steps of 10 (1 =

0.001 mm) from 50 to 100. The higher the value, the better your tonearm-cartridge combination

should be able to track even heavily modulated grooves without audible distortion.

Please make sure that your turntable is pefectly leveled, the azimuth and vertical tracking angle

are properly set (We recommend using the Clearaudio Azimuth Optimizer). Start this tracking

ability test by using the minimum recommended tracking force (antiskating set accordingly) and

gradually increase both values until your cartridge is tracking 80 in both channels. Attention: Do

not eexeed the manufacture´s recommended maximum tracking force to prevent any damages.

Keep in mind your records more than a marginally raised value would do.

If there is more distortion in one channel than in the other, please vary the antiskating force until

both channels sound equally clean. Once the test signal begins to distort in both channels, the

tonearm and cartridge are no longer able to track the grove correcty. It is a very good result if a

cartidge tracks 80 without distortion. The test signal of 90 and 100 are extrem amplitudes, which

never show up in cutted music signals but if tracked by a cartridge it indicates a safety margin.

Azimuth Adjustment with the Clearaudio Azimuth Optimizer

To experience music reproduction at highest quality levels from analog records it is required to

achieve optimal positioning of the picked stylus in the record groove.

There areserveral possibilities to accomplish this:

a) adjustment by visible contral,

b) adjustment by listening,

c) adjustiment by the use of measurement equipment.

Possibility a) is limeted to the estimation by eye and turns out to be unrealistic for the following

reasons:

The lateral tracking balance is determined by the tracking points of the stylus relativ to groove

sides. This must not be examined under static conditions but dynamically under influence of all

acting forces when tracking a cord. The friction pulls the stylus tangentially producing a vertical

component which changes the VTA and reduces the tracking force. A skating force that is not

ideal compensated acts in a radial direction and not only causes diffenrent pressure to the right

and then to the left groove sides, but “riding-up” the 45°-slope further reduces the tracking

force.

Deprending on diffenrent tonearm constructions, possible additional torisonal force may act upon

the cantilever. All of these influences let the adjustment by visible control only be a second

choice.

At any time adjustment by listening was favored by HIFI purists who experienced drastical

improvements of sound when experimentally finding azimuth deviations from visual perpenticular

orientation by iterative trails and numerous listening sessions. This method, however, is very time

consuming.

The most exact and unbiassed method is possibility c) by using measuring equipment. To avoid

the necessity of expensive equipment, clearaudio developed the Azimuth Optimizer which

requires an appropriate test record with a lateral mono signal (see side B)

In the clearaudio research laboratory we determined that the adjustment of the azimuth most

obviosly influences the level differene between right and left channel of a lateral mono signal,

which therefor can be used for indication (see diagram)

From the diagram you see that the best orientation of the stylus is achieved when the curve of

diffenrence between right and left channel averages around 0dBV (the LCDisplay of the Azimuth

Optimizer fluctuates around zero).

Item Number:

LPT83063

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Clearaudio Trackability Test Record

The indispensable Record to install a cartridge!