3
SETTING YOUR JMW 12.7 MEMORIAL TONE ARM
Be very careful when handling the tone arm. The internal arm wire is exposed at
the headshell and at the rear of the arm. This wire is
very
delicate and contains 64
strands of very pure copper. Physical damage to the wire is not covered by the
warranty after the arm is removed from its box.
Please do not touch the unipivot bearing parts. Finger oils on the bearing cup in
the lower bearing housing or on the lower pivot point in the arm base assembly can
cause blemishing of the bearing and possible corrosion. Also, the point is sharp, be
careful.
There are a number of setscrews on the JMW Memorial Tone Arm. The Allen
wrenches that come with your arm will only fit the setscrews that you will need to
adjust. All other screws are factory set and should not be adjusted, except by our
trained technicians. Resetting any of the factory settings is not covered by the
warranty.
You will see a number of things in plastic bags:
Allen wrenches
Hex nuts, and washers (for cartridge mounting)
Arm mounting and alignment tool
Shure stylus gauge
Take all these items out and set them aside
A.
CARTRIDGE MOUNTING:
Remove the arm tube from the box (taking special care not to strain or damage,
the delicate 4-color wire and Lemo connector) and place it right side up on the foam
pad.
FOR CARTRIDGES WITH THREADED MOUNTING HOLES:
Use the screws supplied by the cartridge manufacturer to mount the cartridge. Any
other screws may not fit the thread properly and may even damage the threads
and cartridge. USE ONE OF THE SUPPLIED WASHERS UNDER THE SCREW HEAD.
For all cartridges with pass through mounting holes use the hardware supplied with
the arm. Remember to use the washers under the screw heads to prevent
damage to the finish on the JMW arm.
In this step, the connectors will be attached to the cartridge's terminals. Disregard
the color of the insulators on the cartridge clips.
THE COLOR CODE OF THE WIRES IS AS FOLLOWS:
WHITE = left hot
RED = right hot
GREEN = right ground
BLUE = left ground
