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Jelco TK-850M MkII 10'' Tonearm
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Jelco TK-850M MkII 10" Tonearm

£874.17 Exc. VAT |  


Jelco TK-850M MkII 10" Tonearm

Jelco’s brand new TK-850M MkII tonearm, which has a ‘knife edge’ vertical bearing system. A technological upgrade from the older Jelco SA-750 arms, the TK-850M MkII sounds more graceful, more colourful, more dynamic and more musically engaging. 

Knife edge bearing

Over the years, knife-edge bearings have tended to be sneered at by audiophiles. However, when these arms are properly implemented they can offer a great improvement. Jelco have built their reputation for fine finish and quality at reasonable prices, and these new arms build on that very nicely.


  • Bearing for vertical direction equipped super steel metal KNIFE EDGE system.
  • This Knife Edge material is specially made of super steel, and have very stable and smooth operation.
  • This Knife Edge is precision hand made, and result is to have very low friction.
  • Inner cable is employed thicker silver plated PCUHD (Pure Copper Ultra High Drawability) cable.
  • Relation of electrically wiring, all connected metal tip, connector pin and 5 pin terminal are Rhodium plated.
  • Designed Hi-mass type system, and deferent kind metal material used for anti vibration, those are very low gravity, and low gravity sound created from this.
  • Head shell is employed silk weaved OFC Litz lead wires.
  • Simple mechanism create good reproduction sound.
  • The tonearm geometry allows for a Baerwald alignments which is IEC recommendations.
  • This universal type counterweight can be used from 17 to 35 grs cartridge weight including head shell.
  • TK-850M MKll is fitted with a standard head shell and can easily be changed with other standard head shell (cartridge).
  • This attached head shell can adjust the azimuth angle of the cartridge.


  model TK-850M MKll
  Bearing System Knife Edge
  Effective length (from the tonearm pivot to stylus point) 256 mm
  Distance of the tonearm pivot to spindle 240 mm
  Overhang (spindle to stylus point) 16 mm
  Offset angle 21.33°
  Tracking error angle +1.44° -0.58°
  Horizontal sensitivity (first action, inner wire free) 30 mg
  Vertical sensitivity (first action, inner wire free) 30 mg
  Suitable cartridge weight with headshell 17~35 gr
  Effective mass 13.5 gr
  Range of height adjustment (distance between the arm base bottom and center of the arm pipe) 38~60 mm
Inner cable PCUHD
w/ Silver plate

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