What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





Ariston RD 11

 The Ariston Audio RD 11 Transcription Turntable.
As with all good things, the Ariston RD 11 is very simple in concept - and in turntable design, simplicity is the essence of perfection.

A 24-pole synchronous motor, specially designed by Aristo engineers for the RD 11 minimizes wow and flutter. Its smooth running, combined with the high mass 9 ½ lb platter, have contributed to unquestionably excellent specifications. Wow and flutter is a mere 0,04%. Rumble is an exceptionally low -72 dB.
The main bearing elements consist of a precision ground mirror-finished shaft resting on a perfectly spherical ball-bearing, giving a single point of contact - and reducing friction to a bare minimum.
The tone-arm and platter are mounted on a shock absorber to achieve isolation from external vibrations. And two concentric  rubber rings provide positive record support with minimum surface contact, thus eliminating electrostatic build-up.
A slip-cluth mechanism on the belt drive prevents belt-stretching and, aided by the high-torque motor, ensures a swift and smooth build-up to playing speed.


Ariston Audio RD 11. brilliantly designed, precision engineered to bring you just one quality. Sound perfection. Available with either SME or Grace G940 tone-arms.

Specifications
Type:  manual
Drive:  belt drive
Platter Mass:  9½ lbs
Speeds:  33⅓  and 45 rpm
Wow and Flutter:  0.04%
Rumble:  -78dB
Power:  220 - 240 V, 50/60 Hz 
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