Field Stabilizing Element system
Another special feature 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 movement of the armature.
This technology was first introduced in the acclaimed Kontrapunkt series and later applied in the SPU 90th Anniversary, MC A90, Cadenza Bronze & Cadenza Black and in the present top line cartridges the MC Windfeld and Ortofon Xpression. What this means in practical application is that not only will 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.
Benefits of high-end materials and advancements in technology
The mechanical structure of the SPU A95 cartridge has also been re-engineered, as well as many of its internal assemblies. At the mechanical heart lies a revolutionary customized SLM (Selective Laser Melting) manufacturing procedure. The use of Titanium in SPU A95 has provided a further improvement to the internal damping capabilities as well as to the overall rigidity of the structure.
Considered an engineering breakthrough, the Selective Laser Melting process welds fine particles of Titanium together, layer-by-layer, to construct a single piece body devoid of extraneous material. This technique allows for precise control of the density of the body material, allowing for extremely high internal damping.
The final result provides a controlled reduction of the vibrations within the cartridge body material. A CT-scan of the frame structure ensures the highest degree of uniformity and quality.
A Nude Elliptical diamond stylus graces the aluminum cantilever, representative of the legacy created by SPUs past, along with a black painted, grinded wood body.
Also adding to the sonic performance of the SPU A95 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.
Output voltage at 1000 Hz, 5cm/sec. - 0.3 mV
Channel balance at 1 kHz - 1 dB
Channel separation at 1 kHz - 23 dB
Channel separation at 15 kHz - 15 dB
Frequency response - 20-20.000 Hz ± 2 dB
Tracking ability at 315Hz at recommended tracking force *) - 70 µm
Compliance, dynamic, lateral - 9 µm/mN
Stylus type - Nude Elliptical
Stylus tip radius - r/R 8/18 µm
Tracking force range - 2.5-3.5 g (25-35 mN)
Tracking force, recommended - 3.0 g (30 mN)
Tracking angle - 20°
*) Typical value
Internal impedance, DC resistance - 2 ohm
Recommended load impedance - 10 - 50 ohm
Cartridge body material - Grinded wood and resin composite
Frame structure - Titanium
Coilwire material - Silverplated Copper
Cartridge colour - Shiny Black
Cartridge weight - 28 g
Review quote SPU A95
Stereophile December 2014
Reviewed by Art Dudley
"...Unsurprisingly, the Ortofon SPU 95 performed well in my Thomas Schick tonearm... The first things I noticed... were the enduringly rich, unmistakably SPU-like bass registers of the SPU 95, and the fact that the new pickup sounded somewhat pleasantly refined...
...the SPU 95 also impressed with its abundance of musical and sonic detail...
..the A95's natural, colorful timbral presentation endured...
...Speaking of spatial performance, the SPU 95 also bettered the older SPU in its ability to convey depth and perspective and the "wholeness" of individual sounds...
All in all, the SPU 95th Anniversary accomplishes precisely what Ortofon set out to do: It's a well-behaved, notably modern pickup that is quiet and imperturbable in the groove, with lots of detail and a fine sense of space on stereo records—yet it is also, identifiably, an SPU, with the sort of solid sound and fine sense of drive associated with relatively low-compliance devices."