Pro-Ject Audio Systems RPM 1 Carbon Manual de usuario

INSTRUCTIONS FOR USE

Pro-Ject RPM 1 Carbon

Controls, features and connections

1/11 Power switch, motor unit with stepped drive pulley

2 Drive belt *

3 Platter

4 Tonearm counterweight *

5 Tonearm lift lever

6/16 Tonearm rest and removable transport lock

7 Tonearm tube

8 Power supply socket

9 Phono output sockets and earth connection

10 Magnetic anti-skating mechanism

12 Magnetic anti-skating scale

13 Magnetic anti-skating adjustment mechanism

14 Headshell with finger lift

Connection cable (not shown)*

Power supply (not shown) *

Stylus pressure gauge - white plastic instrument with mN scale (not shown) *

Hexagonal key (not shown) *

Pro-Ject RPM 1 Carbon

Dear music lover,

thank you for purchasing a Pro-Ject Audio Systems record player.

In order to achieve maximum performance and reliability with this record player you should study these instructions

for use carefully.

Warning of a hazard for the user, the unit or possible misuse.

Important notice.

The record player is supplied without cartridge or with a factory fitted and adjusted cartridge Ortofon 2M

RED.

** The following instructions for adjusting the cartridge are provided in case the cartridge is mounted

(turntable was supplied without cartridge) or is replaced by a different model at a later date.

During assembly and adjustment of the deck small parts could be lost if not carefully placed in a suitable

receptacle. Before starting assembly familiarize yourself with the parts listed above and correspondingly

numbered in the technical drawings above. Separately packed items are marked with an asterisk *.

Set-up

Make sure the surface you wish to use the turntable on is level (use a spirit level) before placing the turntable

on it.

After putting the motor unit in place, fit the drive belt (2) around the platter (3) and the smaller diameter part

of the motor pulley (1). Avoid getting sweat or grease on the belt as these will deteriorate the performance

and reduce the belt's lifespan. Use absorbent kitchen paper to remove any oil or grease from the outer edge of

the platter and the belt.

Remove the transport lock (16) from the tonearm. Store it in the original packaging so they are available for

any future transportation.

Cartridge downforce adjustment

The counterweight (4) supplied is suitable for cartridges weighing between 5 - 12g (counterweight no. 82).

Adjust the downforce prior to setting the anti-skating force.

Place counterweight (4) halfway along the counterweight support rod at rear of arm, being sure to have the

securing screw uppermost.

Remove the felt mat. With the power off, and the platter static, place the stylus pressure gauge onto the

platter. To set the recommended 18mN downforce (1mN = 0,1g / 0,1 Pond), place the tip of the stylus

exactly in-between the two points marked 15mN and 20mN.

If the stylus gauge becomes level, then the correct pressure has been achieved. However if the there is

insufficient or excessive pressure the gauge will either not move or tilt down.

To adjust the amount of pressure, carefully move the counterweight (4) along the support rod, until the stylus

pressure is sufficient to raise the pressure gauge to the level position. Moving the counterweight (4) away

from the cartridge will reduce pressure and towards will increase pressure.

Finally secure the counterweight (4) using hexagonal key provided.

Please note: It is advised to remove stylus tip from gauge whilst making adjustments to avoid damage

to stylus.

Adjusting the vertical tracking angle (vta)

** Put a record on the platter. When the needle is lowered into the record groove and the tonearm is not resting

on the lift arm, the tube of the tonearm should be parallel to the surface of the record.

If it is not loosen both screws in the tonearm base just enough to allow vertical movement of the arm pillar

without force and slide the arm up or down until it is parallel.

Carefully retighten the screws without applying excessive force (which would deform the arm pillar) –finger

tight is quite sufficient.

Adjusting the azimuth

** The cartridge needle must be vertical in the record groove in order to trace the

groove wall modulations correctly.

A small screw at the bearing end of the arm allows incorrect azimuth to be corrected if

your needle is not mounted exactly perpendicular to the cartridge body (which is often

the case).

Slacken off the screw just enough to be able to revolve the arm tube without applying

force. Please note: do not remove the screw completely!

With the aid of a good magnifying glass adjust the needle until it is vertical in the groove (i.e. perpendicular

to the record's surface). Ideally this should correspond to the top surface of the cartridge body being parallel

to the record surface.

When you are satisfied that the needle is vertical retighten the screw carefully.

Under no circumstances should the arm tube be adjusted with the needle still in the record groove!

Irreparable damage may be caused to the cantilever suspension! The arm must be lifted to make

each adjustment and lowered afterwards to check it.

Anti-skating force adjustment

The anti-skating force must be adjusted corresponding to the downforce.

The anti-skating mechanism is calibrated from 0 to 5g. The anti-skating force should

correspond with the downforce.

Three examples of magnetic anti-skating mechanism:

a) Downforce –1,5g; Anti-skating force 1,5g

b) Downforce –1,7g; Anti-skating force 1,7g

c) Downforce –2,3g; Anti-skating force 2,3g

Connection to the amplifier

The record player has gold plated female RCA phono sockets (9) for connection to the amplifier using the

supplied interconnect cables.

Use the Phono input (sometimes labelled gram, disc or RIAA) on your amplifier. Make sure that the phono

input offers correct matching and amplification for the type of cartridge used. Line inputs (such as CD, Tuner,

Tape or Video) are not suitable.

Take care to connect the left and right channels correctly. The right channel is usually marked red, the left

channel black or white. Check the manual supplied with your amplifier for relevant information. An earthing

wire may be connected to the screw terminal between the sockets if you encounter hum problems when using

the record player.

If your amplifier does not have an input suitable for phono cartridges you will require a separate phono

amplifier stage for MM or MC cartridges which is then connected between the record player and a free line

level input of the amplifier.

For detailed product information regarding Pro-Ject Audio interconnect cables and phono amplifiers please

refer to the Pro-Ject web site www.project-audio.com.

The recommended load impedance for the factory fitted cartridge is: 47kohms/MM-input

Mains power connection

The turntable is supplied with the universal power supply with 3 exchangeable sockets adapters suitable for

all countries. Select the correct adapter for your country and insert the adapter to the exchangeable part of

the power supply.

Connect the low voltage plug from the power supply to the socket (8) on the rear of the record player before

connecting the power supply to the mains.

Switching on and off

Pressing the power switch (1) alternately starts or stops the motor.

Changing replay speed

Put the belt (2) over the larger diameter part of the motor pulley (11). To revert to 33 r.p.m. repeat the

proceedings using the smaller step on the pulley.

For detailed product information please refer to the Pro-Ject web site www.project-audio.com.

Maintenance and cleaning

Your record player requires little or no regular maintenance. Remove dust with a slightly moistened antistatic

cloth. Never use a dry cloth because this will create static electricity which attracts more dust! Antistatic

cleaning fluids are available at specialist stores but must be applied sparingly to avoid damage to rubber

parts. It is recommended to fit the needle cover before cleaning or maintenance is carried out to avoid damage.

If the player is not used over a long period of time the drive belt can be removed to prevent unequal stretching.

Always disconnect the record player from the mains power supply as a precaution before maintenance!

Fitting and connecting the cartridge

** All cartridges with half inch mounting holes can be fitted. Leaving the needle's protection cover on, fit the

cartridge to the headshell using the screws supplied with the cartridge by passing one screw through each

slot in the headshell (14). Do not tighten the nuts yet.

Connect the tonearm wires to the cartridge pins as follows:

white left channel positive (L+)

red right channel pos. (R+)

green right channel return (R -)

blue left channel return (L -)

The full sound quality of the record player can only be achieved if the cartridge is correctly adjusted. Particular

tools like the Pro-Ject Alignment Tool are required to accomplish this job properly.

If you are not well acquainted with the adjustment of cartridges you are advised to call upon the willing help of

your Pro-Ject dealer to accomplish this task for you.

Please note: adjusting a cartridge and tonearm calls for the greatest care in order to avoid damaging

the cartridge or tonearm bearings. Leave this work to your dealer if you are in any way unsure of the

necessary steps and precautions to be taken.

Useful tips

The record player should be positioned on a low-resonance surface such as wood or multiple layer ply board

to avoid structural vibrations disturbing replay.

Technical specifications Pro-Ject RPM 1 Carbon / Pro-Ject 8.6s Carbon

Nominal speeds

33/45 r.p.m.

Speed variance

33: 0,14% 45: 0,13%

Wow and flutter

33: 0,27% 45: 0,1%

Signal to noise

-71dB

Effective tonearm mass

13,5g

Effective tonearm length

8,6 " (218,5mm)

Overhang

22mm

Power consumption

5 W max / <0,5W standby

Outboard power supply

15V DC / 500mA , universal power supply

Dimensions (W x H x D)

380 x 110 x 350mm

Weight

3,8 kg net

Technical specifications MM-Cartridge Ortofon 2M Red

Frequency range

20-22.000Hz

Channel separation

22dB/1kHz

Output voltage

5,5mV

Recommended load impedance

47kohms/amplifier connection –MM-input

Compliance/stylus type

20µm/mN –elliptical

Recommended tracking force

18mN

Weight

7,2g

Potential incorrect use and fault conditions

Pro-Ject turntables are manufactured to the highest standards and undergo strict quality controls before

leaving the factory. Faults that may possibly occur are not necessarily due to material or production faults but

can sometimes be caused by incorrect use or unfortunate circumstances. Therefore the following list of common

fault symptoms is included.

The platter doesn't turn although the unit is switched on:

The unit is not connected to the mains power supply.

No mains at the socket.

Drive belt is not fitted or has slipped off.

No signal through one or other channel or both channels:

No signal contact from the cartridge to the internal tonearm wiring or from that to the arm lead or

from that to the phono box or between that and the amplifier. This could be due to a faulty plug,

broken wire or solder joint or simply loose plug/socket connection.

Phono input not selected at amplifier.

Amplifier not switched on.

Amplifier or speakers defective or muted.

No connection to the loudspeakers.

Strong hum on phono input:

No earth connection from cartridge or arm or arm cable to amplifier, or earth loop.

Distorted or inconsistent sound from one or both channels:

Record player is connected to wrong input of amplifier, or MM/MC switch incorrectly set.

Needle or cantilever damaged.

Wrong r.p.m., drive belt overstretched or dirty, platter bearing without oil, dirty or damaged.

Service

Should you encounter a problem which you are not able to alleviate or identify despite the above information,

please contact your dealer for further advice. Only when the problem cannot be resolved there should the

unit be sent to the responsible distributor in your country.

Guarantee repairs will only be performed when the unit is returned correctly packaged. For this reason we

recommend keeping the original packaging.

Never return a record player without making sure that is it safely disassembled and correctly packaged in the

original packaging according to the diagrams on the last page of this user guide.

Fit the cartridge protection cap. Insert the transport lock for the tonearm (16) prior to carefully packaging the

record player.

Warranty

The manufacturer accepts no responsibility for damage caused by not adhering to these instructions

for use and/or by transportation without the original packaging. Modification or change to any part

of the product by unauthorized persons release the manufacturer from any liability over and above

the lawful rights of the customer.

Pro-Ject Audio Systems is a Registered Trademark of

H. Lichtenegger.

This guide was produced by: Pro-Ject Audio Systems

The information was correct at the time of going to

press. The manufacturer reserves the right to make

changes to the technical specification without prior

notice as deemed necessary to uphold the ongoing

process of technical development.

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