Legacy Moving Coil Cartridge

by Goldring

$1,395.00
OR

Goldring Legacy

To ensure a record cartridge reproduces an accurate transcription of the record groove, the cartridge components must be rigidly mounted to the tone arm, whilst simultaneously allowing the tiniest movements of the diamond stylus to be transmitted, via the cantilever, to the sensing coils. The Legacy boasts an ultra low resonance magnesium metal body which is both very light and extremely strong. For convenience and rigidity, it has threaded inserts allowing the cartridge to be easily mounted and accurately aligned into the headshell. The stylus is a very low mass 'Vital' fine-line diamond, which is highly polished and gives extremely low distortion. To maintain rigidity, this is attached to a hard alloy cantilever which transfers the maximum level of detail from the diamond to the coils; the latter are hand wound using only the highest purity copper.

Specifications

  • Frequency Response:  20 Hz-30 kHz +/- 3 dB
  • Channel Balance:  within 1 dB  @ 1 kHz
  • Channel Separation:  better than 25 dB min. @ 1 kHz
  • Sensitivity:  0.25 mV +/- 1 dB @ 1 kHz
  • Static Compliance:  25 mm/N
  • Dynamic Compliance @ 10 Hz:  15 mm/N
  • Vertical Tracking Angle:  20 °
  • Stylus Radius:  Vital
  • Stylus Type:  Non-Replaceable
  • Load Resistance:  100 Ω
  • Load Capacitance:  100 - 1000 pF
  • Internal Inductance:  3  uH
  • Internal Resistance:  7 Ω
  • Cartridge Mass:  8.0 g
  • Cartridge Mass (inc. fixings):  8.9 g
  • Fixing Centre:  0.5 " (12.7 mm)
  • Playing Weight:  1.5 - 2.0 g (1.7 g nom.)

What is a Moving Coil Cartridge?

As its name suggests, instead of a moving magnet interacting with a stationary coil, this type of generator works the other way around. This still satisfies Faraday's Law because a conductor moving in a stationary magnetic field still experiences a changing magnetic flux. A large permanent magnet is fixed in position and creates a strong uniform magnetic field in the gap between two pole shoes attached to it. Suspended by a rubber damper in the gap is the armature which carries the generator coil and this in turn is connected to the stylus via the cantilever. As the stylus traces the record groove, the coil moves in the magnetic field and a corresponding e.m.f. is generated within it. Because its moving mass is much closer to the pivot point, inertia is reduced and so it has a superior transient response compared to MM types. At the same time it it is easier to accurately position stereo coils within the magnetic field and so there is the potential for improved channel balance and crosstalk figures.

To keep mass low, the coil contains only a few turns of wire - so it generates a much lower output than a moving magnet type (typically 0.5 mV). For this reason MC cartridges require a special high gain phono stage and a lower load impedance and so cannot be used with a normal MM phono input. Because it has both low inductance and internal resistance, the MC generator is not affected by the load capacitance presented by phono stage and interconnects, making for a flatter, more extended frequency response. MC phono stages usually offer a variety of loading options to tailor the sound of the cartridge to taste.

Goldring Legacy Moving Coil Cartridge

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