Ortofon SPU GTX E
Overview
The SPU GTX E showcases the iconic design of the SPU series, instantly recognizable with its imposing monoblock body. However, Ortofon has completely re-engineered the internal construction to deliver optimal acoustic performance. The housing is now molded in a single piece from a fiberglass-reinforced copolymer, a material never before used in SPU cartridges. This innovation ensures increased rigidity and stability while minimizing unwanted resonances.
The bottom cover is made from the same high-tech material, creating a uniform structure that effectively protects the internal generator. This unibody design provides excellent damping of parasitic vibrations, allowing the diamond stylus to read grooves with surgical precision.
An Elliptical Stylus for Refined Sound Reproduction
The SPU GTX E stands out with its elliptical stylus, a major evolution compared to traditional SPU models equipped with spherical tips. This more complex geometry, featuring a narrower front radius and a wider lateral radius, offers increased contact surface with the groove walls. The result is improved tracking ability and superior sound fidelity, especially in high frequencies.
This elliptical stylus extracts more detail from the grooves, revealing subtle nuances and sound textures that might go unnoticed with a classic spherical stylus. Audiophiles will particularly appreciate the enhanced precision in transient reproduction and the sharper definition of the stereo image.
An Integrated Step-Up Transformer for Unmatched Versatility
One of the major innovations of the SPU GTX E lies in its integrated MC step-up transformer, developed in collaboration with Swedish specialist Lundahl Transformers. This technical achievement allows the cartridge to deliver a high output level of 4 mV, comparable to that of a moving magnet (MM) cartridge.
This feature gives the SPU GTX E exceptional versatility. It can be directly connected to any phono preamp or integrated amplifier without requiring an additional MC preamp stage. This ease of use, combined with the sound performance of a high-end MC cartridge, makes it an especially attractive option for audiophiles looking to enjoy SPU quality without complicating their hi-fi setup.
A Sound Signature Combining Analog Warmth and Modern Precision
The SPU GTX E successfully bridges two sonic worlds: the warmth and musicality characteristic of the SPU series, and the analytical precision of modern MC cartridges. The result is a unique sound signature that is both rich and detailed.
In the low frequencies, it delivers the depth and impact that have made SPU cartridges legendary, with an organic rendering and a typically analog grainy texture. The midrange is presented with beautiful presence and remarkable transparency, highlighting vocals and acoustic instruments. The highs benefit from the increased precision of the elliptical stylus, offering superior extension and airiness compared to classic SPU models, without veering into excessive analytical territory.
The soundstage is wide and deep, with excellent instrument separation and precise localization of sound sources. The dynamics are impressive, with the SPU GTX E adeptly reproducing both subtle nuances and intense passages.
High-Precision Craftsmanship
True to Ortofon’s tradition, each SPU GTX E is hand-assembled in Denmark by skilled artisans. This approach ensures an exceptional level of quality and precision, with each cartridge meticulously tuned and tested before shipping.
The aluminum cantilever, OFC (Oxygen-Free Copper) coils, and Ortofon’s exclusive suspension system all contribute to the SPU GTX E’s outstanding acoustic performance.
Seamless Integration into Your Audio System
Thanks to its integrated step-up transformer, the SPU GTX E easily integrates into most audio setups. It is compatible with a wide range of tonearms, though it performs particularly well on medium to high-mass tonearms.
The recommended tracking force is 4 grams, which may seem high to newcomers but is standard for an SPU cartridge. This significant tracking force, combined with the cartridge’s relatively low compliance, contributes to its excellent tracking ability and stability against external disturbances.
Technical Specifications
General Specifications
- Type: Low-output Moving Coil (MC) Cartridge
- Weight: 0.38 kg
Stylus
- Diamond: Elliptical
- Stylus Radius: r / R 8 / 18 µm
- Tracking Angle: 20°
Electrical Characteristics
- Coil System and Material: Quadruple coils, oxygen-free copper (OFC)
- Output Voltage: 4 mV
- Internal Impedance, DC Resistance: 610 Ω
- Recommended Load Impedance and Capacitance: 47 kΩ, 150-600 pF
Audio Performance
- Frequency Response 20-20,000 Hz: ± 3 dB
- Channel Separation and Balance at 1 kHz: 1.5 dB, 20 dB
- Tracking Ability (315 Hz at recommended tracking force): 60 µm
- Dynamic Lateral Compliance: 10 µm / mN
- Recommended Tracking Force: 4 g
Frequently Asked Questions
Is the SPU GTX E compatible with my MM phono preamp?
Yes, thanks to its integrated step-up transformer, the SPU GTX E can be directly connected to a standard MM phono preamp. Its 4 mV output level is comparable to that of a classic MM cartridge.
What is the estimated lifespan of the stylus?
Under normal usage conditions and with proper maintenance, the SPU GTX E’s stylus can last between 800 and 1000 hours. However, this lifespan may vary depending on factors such as the quality of the records played and the precision of the turntable setup.
Can the stylus be replaced?
No, the SPU GTX E is a fixed-stylus cartridge. When the stylus wears out, the entire cartridge must be replaced. This is a common feature of many high-end MC cartridges.
Is the SPU GTX E suitable for all music genres?
Absolutely. While it is particularly appreciated for its reproduction of acoustic recordings and jazz, the SPU GTX E excels across all music genres thanks to its sonic versatility. Its ability to combine analog warmth with precision makes it equally adept at handling rock, classical music, or modern electronic productions.
- Eco-contribution included in the sale price.
- GTIN / EAN: 5705796240504
