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SPU GTX S

The SPU GTX S delivers the best of both worlds, blending the musicality and rich tonal character that have defined Ortofon’s SPU series for decades with the latest innovations in audio technology.

Rediscover the rich, vintage warmth of vinyl with the Ortofon SPU GTX S, featuring a spherical stylus. The spherical stylus is the most common stylus shape and has a rounded tip that contacts the groove walls of the record, offering a balanced, smooth sound.

The built-in MC step-up transformer provides high-output, low-noise performance, preserving the classic SPU audio fidelity.

Variants

€1.099,00
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OverviewFeaturesReviewsSpecifications

Precision engineering and craftsmanship

SPU GTX cartridges are hand-built by experienced workers in Denmark. Their unibody housings are molded in one piece from a specially selected glass-fiber reinforced co-polymer, never before used for SPU cartridges. This ensures a form-factor stable, rigid, and low resonance housing for the fine generating system. The bottom cover is molded from the same new material, encapsulating the engine in a uniform material and design.

SPU GTX S is a moving coil cartridge with a built-in step-up transformer, a glass-fiber reinforced housing, and a spherical diamond.
SPU GTX E shares the same general setup and construction as GTX S, but the configuration is upgraded with an elliptical diamond.

Built-in step-up transformer

The SPU GTX Series is designed to simplify your setup without compromising sound quality. When developing the GTX series, Ortofon chose to develop the new step-up transformers in collaboration with the company Lundahl Transformers. Thanks to the built-in step-up transformer, these cartridges connect directly to any phono stage or amplifier with the ease of a moving magnet cartridge – no extra equipment needed.

Specifications
  • Channel balance at 1 kHz
    1.5 dB
  • Output voltage at 1 kHz, 5cm/sec
    4 mV
  • Channel separation at 1 kHz
    20 dB
  • Frequency response 20 Hz - 20 kHz
    ±3 dB
  • Tracking ability at 315 Hz
    60 μm
  • Compliance, dynamic, lateral
    10 μm/mN
  • Stylus type
    Spherical
  • Stylus tip radius
    r/R 8/18 μm
  • Coil system
    OFC Coil wire
  • Tracking force, recommended
    4 g
  • Tracking angle
    20°
  • Internal impedance, DC resistance
    610 Ω
  • Coil wire material
    OFC
  • Cartridge body material
    Glass-fiber reinforced co-polymer
  • Cartridge colour
    Black
  • Cartridge weight
    38 g
  • Recommended load capacitance
    150 – 600 pF
    • Download user guide

Cartridge Dimensions

Open Dimensions Chart

Everything you need for your setup

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SPU GTX S

€1.099,00

Stylus type

Spherical

Cantilever material

N/A

Output voltage

4 mV

Channel seperation

20 dB

Coil wire material

OFC

Coil system

OFC Coil wire

Cartridge body material

Glass-fiber reinforced co-polymer

Mounting types

Bayonet/SME

Weight

38 g

Optimized for

N/A
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