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Morch UP-4 Unipivot Tonearm

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Price:
$2,000.00
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Product Description

Morch is a Danish tonearm manufacture known for their exceptional performance. While observing correct design fundamentals, crucial parameters such as choice of materials, a new approach to mass distribution, and elimination of arm resonances required in depth study for the design of an exceptional tonearm.

The Model UP-4 incorporates a special concept of the unipivot principle. The bearing consists of a hardened steel pivot resting in a concave, polished sapphire. The bearing is damped in all directions with silicone fluid. The low positioning of the bearing provides for a greater stability compared to other unipivot arms, since a considerable part of the moveable mass of the arm is positioned above the pivot point.

With the model UP-4 the azimuth adjustment is made by the way of the counterweights.

Supplied in chrome or 24 carat gold finish, or you can special order in black. The armtube plating is done without the use of magnetic materials.

Click here to see which armtube weight is right for your cartridge.

Specifications:

Construction: Radial arm with interchangeable arm tubes.
Bearing principle: Unipivot
Effective mass incl arm tube:
      Light (green):
      Medium (red):
      Heavy (yellow):
      Extra heavy (blue):
All arm tubes can be used with all models.
4 g
6 g
8 g
14 g
Fundamental resonance (depending on arm tube): 8 - 16 Hz
Tracking force (when using calibrated scale): 0 - 3 g
Bias compensation: Watch spring with string - adjustable while playing.
Azimuth: Azimuth is adjustable for correct channel separation.
Cueing mechanism: Piston in U-pipe, damped with silicone fluid.
Distance between pivot and center of turnable platter: 212mm or 294.1mm
Diameter of hole for mounting arm base: 20mm
Rear overhang from pivot: 70mm
Effective length: 230mm
Offset angle: 24 degrees.
Lateral tracking error: 0 degrees at 66mm and 120.9mm from center of record.
Pivot point: Pivot point is in level with the record surface.
Bearing Friction: Bearing friction less than 0.04 mN in all directions.
Balancing: Four different balancing weights.
Internal wiring: 19 strands of ultra pure silver insulated with Teflon.
Capacitance per channel: 28pF for all models.
Tonearm Cable: Balanced. Extremely purified copper strands that are heavily silver coated. Halogen free insulation.
Moerch tonearm connector with Cardas RCA connectors.
Capacitance per channel: 100pF.
Terminals: All terminals throughout the arm are gold plated.
Bearing concept: Hardened steel pivot resting on a concave sapphire, and damped for all motions with silicone fluid.
Finish: Standard is chrome, gold available at a premium, and black as special order.

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