Fitting And Connecting The Cartridge; Cartridge Downforce Adjustment; Anti-Skating Force Adjustment - Pro-Ject Audio Systems Xtension 9 Evolution Instructions For Use Manual

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 (21). 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.

Cartridge downforce adjustment

The counterweight (6) supplied is suitable for cartridges weighing between 5 – 7,5g (counterweight no. 28),
7 - 10g (counterweight no. 46), 9 - 11g (counterweight no. 43) and 10 - 14g (counterweight no. 29).
Alternative counterweight for cartridges weighing between 15 - 22g (counterweight no. 33) is available as
accessory parts.
Pushing carefully, turn the counterweight (6) onto the rear end of the tonearm tube (9), so that the downforce
scale (6a) shows towards the front of the player. Lower the armlift and position the cartridge in the space
between arm rest and platter. Carefully rotate the counterweight (6) until the armtube balances out. The arm
should return to the balanced position if it is moved up or down. This adjustment must be done carefully. Do
not forget to remove the cartridge protection cap if fitted.
Once the arm is correctly balanced return it to the rest. Hold the counterweight (6) without moving it, and gently
revolve the downforce scale ring (6a) until the zero is in line with the anti-skating stub (15). Check whether the
arm still balances out.
Rotate the counterweight counter clockwise (seen from the front) to adjust the downforce according to the
cartridge manufacturer's recommendations. One mark on the scale represents 1 mN (= 0,1g / 0,1 Pond) of
the down-force.
Please note: Adjust the downforce prior to installing the anti-skating weight.

Anti-skating force adjustment

The anti-skating force must be adjusted corresponding to the downforce as follows:
Downforce
10 - 14mN
15 - 19mN
20mN and bigger
Hang the loop of the thread of the anti-skating weight in the groove of the anti-skating stub (15) corresponding
to the downforce applied to your cartridge and hang the thread in the groove of the wire support (17).
Groove in the stub (15)
st
1 from bearing rings
nd
2 " " "
rd
3 " " "
© Pro-Ject Audio Systems · Pro-Ject Xtension 9 Evolution · Revision 2014.11.14
5