Goldring 2400 - MI - Pickup

Goldring 2400 har mye av den samme teknikken som de tre rimeligere modellene: samarium-kobolt magnet, spoler med høyt utgangsnivå og  lav masse. Men 2400 har noen ytterligere forbedringer. Huset er av aluminium som har meget gode akustiske egenskaper og som sørger for å overføre uønskede resonanser til selve tonearmen og ikke innmaten i pickupen. Diamanten er med Vital-sliping som gir en fantastisk god tracking og som virkelig henter ut informasjon fra sporet i hele toneområdet. Nålerøret er konstruert slik at det smalner mot spissen, noe som sørger for at det blir stivere konstruksjonsmessig.

Goldring 2400 er en påkostet pickup, men til en overkommelig pris. Den vil soleklart utkonkurrere dyrere konstruksjoner på lydkvalitet.

Moving "Iron" Generator

A diamond stylus tracing the average record groove will experience accelerations of up to one thousand gravities. This means that in a moving magnet design the permanent magnet is subjected to similar accelerations and if its mass is too large its inertia will result in poor transient response, distortion and mis-tracking of the stylus. The 2000 series cartridges use a fixed magnet design so that the mass of the magnet is completely isolated by the compliance of the cartridge suspension and a much smaller and lighter iron/nickel alloy tube can be used instead. Attached to the cantilever, the alloy tube is used to perturb the stationary magnetic field provided by the large fixed magnet and thus provide the changing magnetic flux necessary to generate the signal voltage in the coils. Modern samarium cobalt magnets have a super high energy output and so a much lighter magnet can be employed than ever before giving the completed assembly a similar mass to traditional moving magnet types. In this way the cartridge enjoys the convenience and flexibility of a traditional moving magnet design with a replaceable stylus block and a high output compatible with standard MM input stages. At the same time it enjoys some of the refined sound and detail retrieval previously only available from more costly moving coil designs.

Threaded Inserts

The cartridge body benefits from integrated M2.5 threaded mounting holes which means that it is very easy to mount onto the tonearm negating the need for fiddly washers or nuts which need to be counter-held during adjustment.

Spesifikasjoner

• Frequency Response  20 Hz - 20 kHz +/- 3 dB
• Channel Balance within 2 dB @ 1 kHz
• Channel Separation better than 20 dB @ 1 kHz
• Sensitivity 6.5 mV ±1.5 dB, 1 kHz @ 5 cm/sec
• Static Compliance 35 mm/N
• Dynamic Compliance @ 10 Hz16 mm/N
• Vertical Tracking Angle 24°
• Stylus Radius Nude Elliptical
• Stylus Type Replaceable
• Cantilever Alumite
• Load Resistance 47 kΩ
• Load Capacitance 100 - 200 pF
• Internal Inductance 680 mH
• Internal Resistance 550 Ω
• Cartridge Mass 7.4 g
• Cartridge Mass (inc. fixing screws) 8.6 g
• Fixing Centre 0.5" (12.7 mm)
• Playing Weight 1.5 - 2.0 g (1.7 g nom.)