Grado Prestige Green4 Phono Cartridge
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Grado Prestige Green4 Phono Cartridge
Grado Prestige Green4 Moving Iron Phono Cartridge
What You Need to Know
Hand-Built Brooklyn Sound at an Entry-Level Price
The Grado Prestige Green4 Moving Iron Phono Cartridge brings genuine American hand-built quality to any turntable. Assembled at Grado’s family-owned Brooklyn factory—where they’ve been making cartridges since 1953—the Green4 opens the door to the warm, musical, wonderfully engaging sound that has made Grado a favorite of vinyl lovers for generations.
If you’re upgrading from a stock cartridge, the Green4 was designed for you.
Moving Iron Design: The Best of Both Worlds
The Green4 uses Joseph Grado’s patented flux-bridger moving iron generator. Unlike a moving magnet, the coils stay fixed while a tiny, ultra-low-mass iron element moves in the magnetic field—giving you the speed and detail associated with moving coil designs, with the easy compatibility and 4.0mV output of a moving magnet.
The result is a lively, open sound with the rich midrange warmth Grado is famous for.
Upgraded Internals for the 4 Series
The new 4 Series brings real improvements throughout: an internal signal path of ultra-high-purity OCC copper, cryogenic treatment of key components, and added internal damping for a quieter, cleaner presentation than previous generations.
User-Replaceable, Upgradeable Stylus
The Green4’s elliptical stylus replaces in seconds with no tools. Better yet, every Prestige Series stylus is interchangeable—so you can step up to Red4 or Gold4 performance later just by swapping styli.
Hand-Built in Brooklyn, New York
Every Prestige Green4 is assembled and tested by hand at Grado Labs in Brooklyn—some of Grado’s craftspeople have been building cartridges for over 25 years.
Building Your System
The Green4 works with any turntable with a standard MM phono input, and its light tracking force is gentle on records. It’s also available in a P-mount version for compatible tonearms.
For anyone replacing a worn or basic stock cartridge, it’s one of the most musical first upgrades in analog audio.
Features & Specifications
Flux-Bridger Moving Iron Generator
Moving coil speed and detail with moving magnet convenience.
Elliptical Diamond Stylus
Accurate groove tracing with Grado’s signature warm, musical balance.
OCC Copper Signal Path with Cryogenic Treatment
New 4 Series internals for a cleaner, quieter presentation.
User-Replaceable, Interchangeable Stylus
Swap in seconds—or upgrade to Red4 or Gold4 styli later.
Hand-Built in Brooklyn, USA
Assembled and tested at Grado’s family-owned factory, est. 1953.
Standard ½-Inch or P-Mount
Compatible with virtually any tonearm.
Specifications
• Type: High Output Moving Iron (MI)
• Stylus: Elliptical Diamond (user-replaceable)
• Cantilever: Aluminum
• Output: 4.0mV
• Load Impedance: 10k–47k ohms (standard MM input)
• Mounting: Standard ½-inch (P-mount version available)
• Tracking Force: 1.6–1.9 grams
• Weight: 6 grams
Frequently Asked Questions
Do I need a special phono preamp?
No. The Green4’s 4.0mV high output works with any standard moving magnet (MM) phono input.
How does the Green4 compare to the cartridge that came with my turntable?
Most stock cartridges are mass-produced overseas with basic styli. The Green4 is hand-built in Brooklyn with Grado’s moving iron generator, delivering noticeably more warmth, body, and musical detail.
How does it compare to the Red4 and Gold4?
The Red4 steps up in refinement, and the Gold4 adds an upgraded OTL cantilever assembly and a precision-machined generator. Because Prestige styli are interchangeable, you can upgrade in stages.
Who is the Green4 designed for?
It’s ideal for vinyl listeners who want genuine hand-built musicality at an entry-level price.
Why Audio Advisor?
• 40+ Years of Expertise – Helping music lovers build better systems since 1981.
• 60-Day Money-Back Guarantee – Hear it in your own system with confidence.
• Real Product Experts – Friendly advice before and after your purchase.
• Free Shipping – On qualifying orders over $49.
• Flexible Financing – Convenient payment options available.
- Entry point to the Grado Prestige Series — the most accessible Grado cartridge, sharing the same fundamental architecture as the Red4 and Gold4 above it.
- Bonded elliptical diamond on aluminum cantilever — a meaningful step above the spherical styli found on many stock turntable cartridges. Tracks high frequencies more accurately and retrieves more musical detail at the same tracking force.
- Moving iron flux-bridger generator with twin magnet system — stationary coils, moving iron element. Extremely low moving mass. Four magnetic gaps for high efficiency and low inductance.
- Compatible with any standard MM phono input at 47kΩ — no step-up transformer or MC gain required. Works with built-in phono stages and any external MM phono preamplifier.
- Insensitive to tonearm cable capacitance — less demanding on phono stage matching than conventional moving magnet designs.
- OCC (Ohno Continuous Casting) copper internal signal path — continuous grain structure for improved signal transmission and consistent channel balance.
- User-replaceable stylus — snaps on and off without tools in under a minute. Replace a worn stylus without replacing the cartridge body.
- Prestige Series stylus cross-compatibility — all Grado Prestige styli (Red4, Gold4, Signature 8MZ, MCZ, TLZ, XTZ) fit any Prestige body. The Green4 body is a genuine upgrade platform.
- Available in standard half-inch mount (this page) and P-Mount (T4P) — separate listing.
- Die-injection molded housing for consistent acoustic behavior and reliable assembly.
- Hand-built in Brooklyn, New York by experienced Grado assemblers.
- Mounting format: Standard half-inch mount (P-Mount version also available)
- Type: Moving iron (high output), twin magnet flux-bridger generator
- Stylus: Bonded elliptical diamond
- Cantilever: Aluminum
- Output voltage: 4.0mV @ 5 CMV (45 degrees)
- Frequency response: 10 Hz–55 kHz
- Channel separation: Average 25 dB (10–30 kHz)
- Input load: 10k–47kΩ
- Inductance: 50mH
- DC resistance: 660Ω
- Compliance: 20 μm/mN
- Recommended tracking force: 1.6–1.9g
- Cartridge weight: 6g
- Stylus: User-replaceable; cross-compatible with all Grado Prestige Series styli
- Internal signal path: OCC copper
- Housing: Die-injection molded plastic
- Country of origin: USA (Brooklyn, NY)
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