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Very rare and very hard to find NEW OLD STOCK Ortofon SPU 90 Anniversary MC cartridge.
The Ortofon SPU 90th Anniversary provides reproduction of sound that is unsurpassed in its neutrality, detail, and dynamic range. For the first time in history, the SPU has been graced with a completely new patent-pending magnetic system, which retains all of the characteristics that put its brethren in a class of their own.
Features
In this cartridge, a one-piece body makes the direct connection between the generator system and the wooden housing, ensuring both a perfect rigid connection and extremely high internal damping. A nude elliptical diamond stylus graces the aluminum cantilever, representative of the legacy created by SPU's past, along with a black painted, grinded wood body. Also adding to the sonic performance of the SPU 90th Anniversary is nothing but the best internal coil wiring, comprised of silver-plated ultra high purity (6NX) copper wire, to ensure that each and every movement of the stylus is captured faithfully without loss. The internal terminal wiring is made of ultra high purity (6NX) silver wire with gold-plated terminal connectors.
Field Stabilizing Element system and microassembly
Another first is the inclusion of the renowned Field Stabilizing Element (FSE) system, which consists of a small cylinder of conductive material placed strategically inside of the magnetic system. FSE guarantees that the force field within the system will remain stable at all times regardless of the moment of the armature.
This technology was first introduced by recently-retired chief engineer Per Windfeld in his widely acclaimed Kontrapunkt series. What this means in practical application is that not only will the FSE minimize dynamic and intermodulation distortion, but it also will allow for greater dynamics, absolute clarity, and depth of sound for truly awe inspiring sonic performance.
Type: Moving coil cartridge
Output: 0.3mV at 1000 Hz, 5cm/sec.
Channel balance : <1dBat 1kHz
Channel separation: >23dB at 1kHz
Channel separation: >15dB at 15 kHz
Frequency response at - 3dB: 20~30,000Hz
Frequency response: 20~20,000Hz +/- 2dB
Tracking ability at 315Hz at recommended stylus pressure: 80 µm
Compliance, dynamic, lateral: 10 µm/mN
Stylus: Nude elliptical
Stylus radius: r/R 8/18 µm
Stylus pressure range: 2.5~3.5 gram (25-35 mN)
Stylue pressure, recommended: 3.0 gram (30 mN)
Tracking angle: 20 degree
Internal impedance, DC resistance: 2 Ohm
Recommended load impedance: 10~50 Ohm
Cartridge body material: Wood powder + Phenolic resin
Coilwire material: Silverplated Copper
Cartridge colour: Black
Net weight: 28 g |
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| Goods sold are not returntable. Subject to terms and conditions exchange of goods can be considered. |
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