VPI JMW-12.6 Owners manual

JMW 12.6

MEMORIAL TONEARM

SETUP AND INSTRUCTION MANUAL

VPI IND. INC., 77 CLIFFWOOD AVE #3B, CLIFFWOOD NJ 07721

PHONE: [phone], FAX: [phone]

www.vpiindustries.com

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SETTING YOUR JMW MEMORIAL TONE ARM

• 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:

RED = right hot WHITE = left hot
GREEN = right ground BLUE = left ground

IF YOUR PHONO SECTION INVERTS PHASE, THE HOT

BECOMES THE GROUND COLOR

• The arm tube should be on its side on the foam pad when doing this.

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• Using tweezers or fine tipped pliers, grip the center of the red wire's connector
(do not grip the wire) and push it onto the cartridge's right hot terminal pin. In
the same way, connect each of the remaining connectors to its respective
cartridge terminal. Do not push the connectors all the way on, as this could
damage the cartridge. Always back up the cartridge with your finger when
pushing on the clips.

• At the rear of the arm base assembly is the connector block. Plug the Lemo
connector into its receptacle on top of the block. Notice that the connector can
plug in only one way. Align the red dots on the arms plug with the red dot on
the receptacle. Push gently, do not force the plug.

B. THE COUNTERWEIGHT:

• The JMW 12.6 tone arm comes with one large counterweight installed on the
rear shaft of the tonearm. For most cartridges you will only need this large
weight. The counterweight is held in position by a setscrew.

• The counterweight is used for setting the azimuth (lateral balance) of the
cartridge and the vertical tracking force.

• For now, position the large counterweight to give a minimum of tracking force,
just enough force to keep the cartridge on the alignment jig.

• In some rare cases it may be necessary to use two counterweights together.
Contact your dealer if a second counterweight is needed.

C. OVERHANG ADJUSTMENT & ALIGNMENT

• This adjustment will yield the lowest overall distortion when playing a typical
12" record. Do not go crazy over this adjustment. You do not know if the
stylus is aligned properly on the cantilever. You are also facing a constantly
moving target when playing a record. The arm is moving in 3-dimensions and
will only approximate the accuracy you have built into your alignment.

• Place the Alignment Jig into position by sliding the narrow end with the circular
cutout between the arms lateral balance weight and the platform that supports
the armrest. Make sure that the jig's cutout fits against and around the bearing
well.

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