Rega P9 Manuel utilisateur

Rega Research Limited, England

P9 manual 2.qxd 26/02/2004 10:31 Page 1

owners manual

P9 manual 2.qxd 26/02/2004 10:31 Page 2

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Mission Statement

Rega’s philosophy is to make high quality products at sensible

prices, as a means of reproducing music as faithfully as

possible. Rega is committed to the design and development of

new and existing products, both in hi-fi and other areas, that will

perpetuate Rega’s values of quality and value for money.

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Contents

Introduction.......................................1

Design Innovation..........................2-3

Caring for your P9............................4

Power Supply...............................5-6

Setup................................................7

Hints and Tips...................................8

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Your Rega P9 has been designed to be effective, easy

to use and above all - to reproduce music better than

any other turntable. We have omitted all the usual

gimmicks and genuinely concentrated the

manufacturing costs on the high quality components

and design necessary to reproduce records accurately.

For example: a complex sub-chassis suspension is

normally necessary to reduce motor noise. However

they are difficult to maintain and degrade performance.

Rega have designed a unique phase adjustable power

supply which eliminates motor vibration at source and

therefore eradicates the need for a suspension.

Rega's design skill and the use of extremely high quality

components ensure that your turntable will perform at

its optimum. The tips we give here may help to give you

maximum musical enjoyment and ease of use for many

years.

Introduction

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Tonearm

The New P9 has an extensively redesigned tonearm, the all new RB1000.

Many changes have been made to improve the original RB900 even further.

The aluminium tube has been polished rather than lacquered so as to reduce

the weight. The entire bearing housing is now manufactured from stainless

steel and all parts have been manufactured to exacting tolerances which are

apparent from the tonearms appearance.

The tonearm tube itself (which is a one piece silicone/aluminium casting) is

very rigid, whilst being low mass. The tonearm assembly is concentrated

around precision, hardened stainless steel, miniature ball races of the

highest quality. The bearings fit on to ground shafts and into the tonearm

using interference fits. This means that no adhesive is required and therefore

none of the associated (component - adhesive - component) losses in rigidity

prevail. It is fitted to the plinth by a 3-point fixing. This technique will cause

less stress on the plinth and the bearing housing of the tonearm, and

therefore the least possible resonance.

The RB1000 tonearm is designed to maximize the cantilever acceleration

and travel as much as possible with the utmost accuracy within the cartridge

body, thus providing new levels of information.

Design Innovation

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Platter

The platter is produced from a ceramic oxide powder which is compressed,

fired and diamond ground to size. (Because this platter is as stiff and hard

as sapphire, the only improvement that can be made would me to make it

from diamond.) This is again a first in the industry at volume production

levels. Even so, each platter takes many hours to produce. Expensive detail

design ensures it only sits on three points on the centre hub.

Plinth

The new P9 plinth is made from an even lighter material than the original

Planar which again offers advantages over its predecessor.

The plinth is of a skeletal design. This allows the mass to be reduced and the

rigidity increased in comparison to a solid section construction. All organic

materials used in the production of the plinth and surround are obtained from

sustainable sources.

Motor

The motor is a high specification, 24V twin phase synchronous unit

controlled by Rega's unique and innovative power supply. The motor drives

the computer-numerically-controlled (cnc) machined pulley and sub

platter/hub-bearing assembly via a twin belt drive. Two belts are used so that

any small inaccuracies in one belt will be cancelled out by the second, giving

unusually low levels of wow and flutter. A Mu-metal shield is used to minimise

extraneous electromagnetic radiation interfering with the cartridge.

Design Innovation

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Interconnects

We have used the highest quality XLR 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.

The New Logo

The logo was designed to complement the turntable and tonearm from the

aspect of them being “cutting edge”. The design is clean, sharp and very

precise... which adds to the overall look of the turntable.

Design Innovation

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Transporting your P9

Should you need to transport your P9, to avoid any possible transit damage,

the following recommendations must be followed.

1. Remove tonearm balance weight and secure the arm in its rest with tape

or covered wire. This will ensure no sudden or violent movement is

transmitted to the delicate bearings.

2. Remove ceramic platter. When removing, hold down the metal hub at the

same time as lifting the platter on each side. When removing or replacing,

ensure it is done evenly to avoid chipping to the platter.

3. NEVER place your P9 upside-down or on its side. This would allow oil in

the hub/bearing assembly to leak and cause speed and or wear problems.

4. If you have to ship your turntable or use a carrier, use ALL the original

packaging. If in doubt ask your dealer.

Caring for your P9

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Power Supply

When the power supply is first switched on, the power L.E.D. in the power

switch will flash. 33 rpm is selected by pressing the 33 rpm button. Once

pressed 33 rpm is selected and the L.E.D will flash until the turntable has

settled. To deactivate 33 rpm press the button again or press 45 rpm. If 45

rpm is pressed then the L.E.D will flash again until the turntable has settled

at 45 rpm. To deactivate 45 rpm press the 45 rpm button again or 33 rpm.

When in the idle state the power L.E.D will flash. This is to show the power

supply is in standby mode and no output is present. The unit remains

powered up but in an idle state. i.e. the drive amplifier is disconnected

(muted) from the motor.

To switch off at any time, simply press the power switch.

The external power supply unit is a quart crystal locked system. To ensure

accurate speed stability of the platter motor, two quartz crystal control

reference oscillators have been utilised. This system produces a high

frequency (3 MHz for 33 and 4 MHz for 45) signal, which is then divided

Power Supply

P9PSU

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Power Switch Speed Change

P9 manual 2.qxd 26/02/2004 10:31 Page 10

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