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Rega P7 - Component Descriptions; Platter Design; Plinth Design; Motor Specifications

Rega P7
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4
Power Supply
The compact TT PSU uses exactly the same high stability crystal locked low
distortion sine wave generator as is used in the heart of the P9 power supply.
This, along with an efficient drive amplifier fed from a stabilised DC power
supply, generates a 24V AC balanced signal of less than 0.05% distortion,
which is completely un-affected by any changes in the mains/line voltage
and conditions. This then drives the improved Rega anti-vibration circuit,
which is situated beneath the turntable.
The speed change is achieved by changing the frequency of the drive
voltage; this is because the speed of the platter and motor is directly
proportional to the motor drive frequency. A relay switches in the required
phase compensation & anti vibration circuit to eradicate motor vibration to a
minimum at both speeds.
Interconnects
We have used the highest qualitypurpose designed high current power and
phono connectors and low noise, wide bandwidth interconnect cable. These
are genuine professional products and are the best available for the job. Do
not attempt to fit any other wires or cables.
P7 English.qxd 09/02/2004 10:31 Page 13

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