All Goldring 2000 Series cartridges feature Moving Iron technology. This gives them the high levels of detail associated with more expensive moving coil designs, while retaining the convenience of a replaceable stylus and the high power associated with moving magnet types.
The cartridge uses a fixed samarium cobolt magnet and a combination of high output coils so that a very light iron/nickel cantilever terminal can be used instead of the much heavier permanent magnet used in conventional designs. This reduces the moving mass of the cartridge allowing the stylus to track the record groove more closely. Due to their high output, Goldring 2000 Series cartridges should be used with the standard moving magnet phono input of an integrated amplifier.
The use of a bare diamond elliptical stylus provides high frequency clarity and excellent transient response due to its lower tip mass than glued types. This recording head will upgrade many mid-range turntables, allowing them to produce an even finer sound.
Moving "Iron" Generator
A diamond stylus tracing the average groove of a record will experience accelerations of up to a thousand gravities. This means that in a moving magnet design the permanent magnet is subject to similar accelerations and if its mass is too large its inertia will result in poor transient response, distortion and incorrect stylus tracking.
The 2000 series cartridges use a fixed magnet design so that the mass of the magnet is completely isolated from 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 so provide the variable magnetic flux needed to generate the signal voltage in the coils. Modern samarium-cobalt magnets have very high energy output and so a much lighter magnet can be used than ever before, giving the completed assembly a similar mass to traditional moving magnet types.
This gives the cartridge the convenience and flexibility of a traditional moving magnet design with a replaceable stylus block and high power output compatible with standard MM input stages. At the same time, it enjoys some of the refined sound and detail retrieval previously available only from more expensive moving coil designs.
Threaded inserts
The headshell body benefits from integral M2.5 threaded mounting holes, meaning it is very easy to fit onto the tonearm eliminating the need for fiddly washers or nuts that need to be locked during adjustment.
Technical specifications
Frequency response: 20 Hz - 20 kHz +/- 3 dB
Channel balance: within 2 dB at 1 kHz
Channel separation: Better than 20 dB at 1 kHz
Sensitivity: 6.5 mV ±1.5 dB, 1 kHz at 5 cm/sec
Static compliance: 20 mm/N
Vertical tracking angle: 24°
Stylus radius: Bare elliptical
Stylus type: Replaceable
Cantilever: Alumite
Load resistance: 47kΩ
Load capacity: 100 - 200 pF
Internal inductance: 680 mH
Internal resistance: 550 Ω
Cartridge mass: 7.4 g
Cartridge mass (incl. fixing screws): 8.6 g
Repair Center: 0.5“ (12.7 mm)
Game weight: 1.5 - 2.0 g (1.7 g nom.)
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