MØRCH UP 4 Unipivot Armtube Tonearm

New product

1 715,16 €

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Brand: MØRCH

 
Description

Model UP-4 incorporates a special concept of the unipivot principle. The bearing consist 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.

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Standard finish: CHROME.

For GOLD or BLACK finishes, and for extra STANDARD or PRECISION 12", contact us.

MØRCH - Finest craftsmanship

MØRCH tonearms are an example of high technical standards and attractive design. In the Hi-Fi world, the MØRCH brand was known as a turntable manufacturer in the 1960s and 1970s. This experience led the brand to experiment with every type of tonearm, achieving the ideal compromise between turntable and tonearm. By adhering to the fundamental requirements for correct design, such as material selection, a new approach to mass distribution, and the elimination of resonances, MØRCH has designed an exceptional tonearm. This research culminated in the invention of a new tonearm concept, now patented.

Specifications

Construction

  • Type: Radial arm with interchangeable arm tubes.

Bearing Principle

  • DP-6 and DP-8: Dual bearing
  • UP-4: Unipivot

Effective Mass of Complete Tonearm with Arm Tube

  • Light (green): 4 g
  • Medium (red): 7.5 g
  • Extra Heavy (blue): 14 g
  • Note: All arm tubes are compatible with all models.

Fundamental Resonance (depending on arm tube)

  • 8 – 16 Hz (Not applicable for horizontal mode of motion on DP-8)

Tracking Force (using calibrated scale)

  • 0 – 3 g

Bias Compensation

  • Watch spring with string – adjustable while playing.

Azimuth

  • Adjustable for correct channel separation.

Cueing Mechanism

  • Piston in U-pipe, damped with silicone fluid.

Distance Between Pivot and Center of Turntable Platter

  • 212 mm (8 5/16″) or 294.1 mm (11 9/16″)

Diameter of Hole for Mounting Arm Base

  • 20 mm (13/16″)

Rear Overhang from Pivot

  • 70 mm (2 3/4″)

Weight

  • DP-8 Arm Base with Sideweights (without counterweights and cord): 580 g
  • DP-6 Arm Base with Armbush (without weights and cord): 280 g
  • UP-4 Arm Base with Armbush (without weights and cord): 240 g
  • Set of Counterweights: 120 g

Effective Length

  • 230 mm (9 1/16″)

Offset Angle

  • 24 degrees

Lateral Tracking Error

  • 0 degrees at 66 mm and 120.9 mm from the center of the record.

Pivot Point

  • Level with the record surface.

Bearing Friction

  • Less than 0.04 mN in all directions.

Balancing

  • Four (4) different balancing weights.

Internal Wiring

  • 19 strands of ultra pure silver insulated with Teflon.
  • Capacitance per Channel: 28 pF for all models.

Tonearm Cord

  • Balanced, with extremely purified copper strands heavily silver coated. Halogen-free insulation.
  • Moerch Tonearm Connector: Cardas RCA connectors.
  • Capacitance per Channel: 100 pF.

Terminals

  • All terminals throughout the arm are gold plated.

Bearing Concept

  • DP-6 and DP-8: One internally damped, precision ball-bearing assembly for horizontal motion. Two pivoted sapphire bearings for vertical motion, which can also be damped and adjusted to different levels of damping.
  • UP-4: Hardened steel pivot resting on a concave sapphire, damped for all motions with silicone fluid.

Finish

  • DP-6 and DP-8: 24 carat GOLD or CHROME.
  • UP-4: CHROME, or GOLD by special order.

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MØRCH UP 4 Unipivot Armtube Tonearm

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Questions

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Availability

Products availability:

  • Standard 9"

    This product can be ordered and will be shipped within 12 days. Also see the Availability tab and eventual options of the same product.

  • Precision 12"

    This product can be ordered and will be shipped within 12 days. Also see the Availability tab and eventual options of the same product.


  • Available for immediate shipping.

    Product is available.
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Product availability is real-time updated and correspond to our actual stock quantities (Green) or to estimated obtainability times (Blue); in the case of (Blue) products, although the specified times are a realistic and conservative estimate, have to be intended as indicative and not as a binding obligation.

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