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Green1 Cartridge
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Grado - Prestige Series - Green1 Turntable Phono Cartridge

Grado - Prestige Series - Green1 Turntable Phono Cartridge

Grado - Prestige Series - Green1 Turntable Phono Cartridge

Grado - Prestige Series - Green1 Turntable Phono Cartridge 

The Grado Prestige Green1 Turntable Cartridge delivers pure Sound from your turntable. Attach it to your tone arm and get high-powered sound. Its unique four-piece OTL cantilever technology makes your records sound quieter, improving the height, width, and depth of the soundstage.

All four pieces are made of different materials, to offer more sound detail than previously obtainable.

Optimized Transmission Line (OTL) Cantilever/Stylus Assembly
Grado's OTL provides an ideal transfer of the signal from point to point, e.g., stylus to cantilever to magnet to coils, etc. This has been achieved by eliminating resonance at each of these key junctions. The transmission line cantilever consists of separate sections that are telescoped into each other. All sections are made of different alloys, some sections hollow, other sections solid. These sections are bonded together with materials that act as dampers, and are coated with a black proprietary material which controls and absorbs resonances that travel on the surface of the cantilever (known as skin effects). The OTL stylus/cantilever design will make your records sound quieter, improve the height, width, and depth of the soundstage, and offer more detail than previously obtainable. Cartridge Holography does exist...and that is what Grado's OTL technology is all about, more performance.

Pivoted-Fixed Axial Cantilever/Stylus Generator
This design feature is basically quite simple. The "OTL" cantilever shaft is brought to a fixed axial pivot that supports the entire cantilever assembly. A miniature element attached to the end of the cantilever is allowed to move freely within the lines of flux of a stationary magnet and coil structure. This system of support is mechanically more accurate (more linear) than conventional "teeter-totter" designs that utilize an iron armature to balance the mass of the cantilever. The teeter-totter design is supported in the center with a rubber donut mounting. The fixed axial design has a very low tip mass, which results in lower distortion, improved transient response, and longer record life.

Flux-Bridger Generator System
The Flux-Bridger design uses four separate magnetic gaps that the miniature element of the cantilever bridges. The miniature element moves between opposing flux gaps creating an increase in flux in one gap while reducing it in the other. The four separate magnetic gaps create a highly efficient and perfectly balanced system. This design requires fewer coil turns than conventional designs.


The Anatomy of a Grado Phono Cartridge
The Anatomy of a Grado Phono Cartridge



Hand-Built in the USA With 100% Quality Control
Each individual cartridge manufactured by Grado is hand assembled and tested for frequency response, channel output, channel balance, phase linearity, inductance and resistance. This meticulous care in design and construction lavished on each Grado cartridge contributes to an unchallenged consistency of performance and guarantee of reliability.

Grado's Prestige Series of Phono Cartridges
The Prestige series of cartridges are designed for high output and excellent stability under severe use. A considerable tip mass reduction results in a frequency response to 50 kHz and beyond and tracking forces from 1-2 grams. Acclaimed by experts as virtually the finest pickups in the world at their price. Prestige models available in both 1/2" mount and P-mount. All styli in the Prestige series are user replaceable.

The Latest Version, the Grado Green1
The newly redesigned Black1 and Green1 have had their coil design reconfigured, and the effective moving mass of their generating system has been reduced by 17%. The Black1 and Green1 models use a three piece OTL cantilever technology, standard oxygen free wire in the coils and Grado's specially designed elliptical diamond mounted in a brass bushing. The Green1 model is selected from the Black1 production run and meets higher test specifications. Approximately 15% of the production run will meet these standards and become Green1 models.

Kiwi 101: P-Mount vs. Standard Mount Turntable Cartridge

 

FEATURES:

  • Moving magnet type phono cartridge
  • New enhanced design with 17% less moving mass in generating system
  • Oxygen-free coil wire
  • Three-piece OTL cantilever technology
  • Elliptical diamond stylus mounting on a brass bushing

SPECIFICATIONS:

  • Frequency response: 10-50,000 Hz
  • Operating principle: Moving iron
  • Channel separation: 30 dB @ 1 kHz
  • Input load: 47k ohms
  • Output: 5 mV @ 1 kHz (5 cm/sec)
  • Recommended tracking force: 1.5 grams
  • Stylus type: Elliptical
  • Inductance: 45 mH
  • Resistance: 475 ohms
  • Compliance CUs: 20
  • Mounting type: Standard 1/2"
  • Weight: 5.5 grams
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