It is understood by needle the part of a capsule cartridge that makes the contact with the furrow of the disc, and to this part we will refer in this section.
In its construction different materials have been used having been adopted in recent times by its hardness the sapphire, ruby and diamond; of these practically nowadays the diamond is used exclusively in the construction of capsules destined to the reproduction of high fidelity.
The wear of any needle must be monitored to avoid damage to the furrows of the discs irreparably, because in high fidelity the cost of the collections of discs far exceeds the price of a set of replacement needle.
We'll appreciate the wear by the appearance of noises; the reproduction will lose transparency and distortion will appear in high frequencies with losses of these high frequencies. The user of a hi-fi team must be aware that you will need to change the needle of your capsule every 300 hours of use if you want not to endanger your discs, and take care of their cleanliness with a certain frequency, as it usually deposits particles of fat and dust that prevent the needle from tracing the furrow.
To decrease the effective mass of the mobile assembly and obtain sufficient output voltage to excite the pre-amp input of the equipm...
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