The Motor; The Pulley; The Control Unit - Oracle PREMIERE User Manual

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The Motor

T h e P R E M I E R E
is e q u i p p e d w i t h a brushless D C Hall effect motor w h i c h w e
jointly d e v e l o p e d w i t h Papst. T h e motor d e v e l o p s e n o u g h torque to achieve the
desired s p e e d within one platter revolution. T h e motor is carefully d e c o u p l e d at
the acrylic base, eliminating contact w i t h the playing s y s t e m except through the
belt.

The Pulley

A precise pulley is critical to the performance of the drive s y s t e m b e c a u s e even
minute variations in concentricity can cause significant s p e e d fluctuation and
improper belt / pulley contact can generate vibration noise.
The P R E M I E R E ' S pulley has been c o m b i n e d with a massive f l y w h e e l w h i c h
c o m b i n e s w i t h the platter to provide double insurance against s p e e d instability.
The Belt
The P R E M I E R E ' S belt has been manufactured using a precision injection
m o l d i n g process w h i c h results in a grain orientation free of internal stresses. T h e
belt is then ground to exact specifications, virtually eliminating variations in
thickness a n d horizontal play. T h e belt has been d e v e l o p e d to maximize the
transfer of torque w h i l e minimizing vibration transmission. By keeping the belt
under l o w tension, wear-causing stress on the motor bearing and shaft is
reduced while the lifespan of the belt is increased.

The Control Unit

The electronics a n d controls by w h i c h the user can select the desired s p e e d of
the P R E M I E R E turntable are housed in a separate unit. A one-metre connection
b e t w e e n the unit a n d the turntable affords flexibility of placement.
The pitch c a n be adjusted i
a c c o m m o d a t e the g r o w i n g number of professional musicians w h o have noted
s p e e d errors in p r o d u c e d d i s c s of their performances. T h e selected s p e e d
appears o n a digital display a n d a m e m o r y chip allows automatic reversal to the
33.33 and 45 standards w h e n e v e r the s p e e d selection buttons are d e p r e s s e d .
5 per cent of the standard playing s p e e d to

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