Mobile Fidelity Super HeavyWeight Noise Dissipation Record Weight at Vinyl Sound Toronto Canada

The Super HeavyWeight is a universal noise-dissipation record weight from Mobile Fidelity (USA), developed with Mike Latvis of Harmonic Resolution Systems (HRS), and available at Vinyl Sound in Toronto, Canada. Unlike conventional record weights that simply couple an LP to the platter, the Super HeavyWeight actively drains groove noise, motor vibration, and bearing resonance away from the stylus during playback. Weighing 367.4 g and built from billet-machined 6061 aluminum with a proprietary HRS noise-absorbing polymer interior, it is the universal-compatibility model in the MoFi Electronics record weight lineup, optimized to deliver maximum noise reduction without placing any strain on the motor, bearing, or suspension of virtually any turntable. Thom Moon of SoundStage! Access noted it consistently delivered greater solidity and dead-silent backgrounds across multiple turntable and LP combinations.

Active Noise Dissipation: The HRS Polymer Technology

The Super HeavyWeight was conceived with Mike Latvis of Harmonic Resolution Systems, the Buffalo, New York company whose isolation platforms and damping technologies are found in some of the most demanding audiophile and professional audio installations in the world. At the core of the Super HeavyWeight is Latvis' proprietary polymer material, engineered specifically for its exceptional noise-absorption characteristics. Rather than merely pressing the LP against the platter, the HRS polymer actively absorbs and dissipates three distinct sources of noise that degrade vinyl playback: groove noise generated by stylus-groove contact, motor vibration conducted through the platter bearing, and bearing resonance that would otherwise be transmitted back into the record. The result is a substantially blacker background between musical events, revealing increased inner detail, improved clarity, enhanced microdynamics, and greater bass impact that a conventional coupling weight cannot achieve.

Billet 6061 Aluminum Shell and Universal Compatibility

The outer shell of the Super HeavyWeight is machined from billet 6061 aluminum, the same aerospace-grade alloy used throughout high-performance audio manufacturing for its rigidity and low intrinsic resonance. The machined exterior provides a secure, confident grip for placement and removal without slipping. The 367.4 g total mass was carefully calculated to deliver the HRS polymer's full noise-dissipation benefit while remaining within the load tolerance of virtually every turntable motor, platter bearing, and suspension system on the market, from entry-level belt-drive designs to heavy reference decks. The non-threaded drop-on design requires no tools, clamps, or adapters, making the Super HeavyWeight immediately usable on any spindle-equipped platter. A soft polymer underside ensures the weight makes firm, stable contact with the LP label area without risk of scratching or damage.

Key Features

• Developed with Mike Latvis of Harmonic Resolution Systems (HRS): Co-designed with the founder of HRS, whose vibration isolation and noise-damping technology sets the standard for high-performance audio accessories worldwide.
• Proprietary HRS Noise-Absorbing Polymer Core: Latvis' proprietary polymer material actively absorbs and dissipates groove noise, motor vibration, and bearing resonance, going far beyond the coupling function of a conventional record weight.
• 367.4 g Optimized Mass for Universal Compatibility: Precisely calculated to deliver maximum noise-dissipation performance without placing strain on the motor, bearing, or suspension of any turntable, from entry-level to reference designs.
• Billet-Machined 6061 Aluminum Outer Shell: An aerospace-grade aluminum enclosure machines to a rigid, resonance-resistant form with an easy-grip exterior surface for safe, confident handling.
• Universal Non-Threaded Drop-On Design: Drops directly onto any standard turntable spindle with no tools, clamps, or adapters required, making it compatible with all makes and models of turntable.
• Label-Safe Soft Polymer Underside: A soft polymer contact surface protects LP labels from abrasion or damage during every listening session.
• Audible Improvements Across All Turntables: Designed to pay instant sonic dividends regardless of turntable brand, price level, or platter material, delivering blacker backgrounds, increased inner detail, and greater bass impact on any compatible system.

Technical Specifications

Frequently Asked Questions

What is the Mobile Fidelity Super HeavyWeight?

The Mobile Fidelity Super HeavyWeight is a 367.4 g noise-dissipation record weight co-developed with Mike Latvis of Harmonic Resolution Systems (HRS), featuring a proprietary HRS noise-absorbing polymer core inside a billet 6061 aluminum shell. It is the universal-compatibility model in the MoFi Electronics record weight lineup, designed for use with all makes of turntable, and delivers blacker backgrounds, increased inner detail, improved clarity, and greater bass impact beyond what conventional coupling weights achieve. Available in Toronto, Canada through Vinyl Sound.

How does the Super HeavyWeight differ from the Super HeavyWeight Champion?

Both the Super HeavyWeight and the Super HeavyWeight Champion use Mike Latvis' proprietary HRS polymer technology and share the same billet 6061 aluminum outer shell design. The key difference is mass and target application. The Super HeavyWeight weighs 367.4 g and is optimized for universal turntable compatibility, including entry-level and mid-range designs whose motors and bearings may not tolerate a heavier load. The Super HeavyWeight Champion weighs 495 g, features eight separate internal polymer chambers for increased damping surface area, and is specifically designed for mid-to-high-mass platters of approximately 5 lbs or heavier, where its greater mass unlocks a higher level of noise reduction.

Will the Super HeavyWeight work with my turntable?

The MoFi Super HeavyWeight is designed for universal turntable compatibility and will work with virtually any spindle-equipped turntable. Its 367.4 g mass was specifically chosen as the optimum weight for delivering meaningful noise reduction without placing any strain on the motor, bearing, or suspension of any turntable, from affordable belt-drive designs to high-mass reference decks. The non-threaded drop-on design fits any standard spindle up to 7/8 inch in diameter and requires no tools or adapters.

What types of noise does the Super HeavyWeight reduce?

The MoFi Super HeavyWeight targets three distinct noise sources that degrade vinyl playback. First, groove noise: the mechanical friction and micro-resonance generated at the stylus-groove interface. Second, motor noise: vibration transmitted from the turntable's drive motor through the platter bearing and into the record. Third, bearing noise: resonance produced within the platter bearing itself during rotation. The HRS polymer core absorbs and dissipates all three, resulting in the blacker backgrounds, increased inner detail, enhanced microdynamics, and stronger bass definition that SoundStage! Access reviewer Thom Moon observed consistently across multiple LP and turntable combinations.

Does the Super HeavyWeight damage LP labels?

No, the Mobile Fidelity Super HeavyWeight will not damage LP labels. The underside is finished in soft polymer rather than bare metal or hard plastic, making the contact surface between the weight and the record label non-abrasive and non-adhesive. The weight can be placed and removed safely on any standard 12-inch LP without risk of scratching, peeling, or leaving any residue on the label area.

Where can I buy the Mobile Fidelity Super HeavyWeight in Toronto or Canada?

The Mobile Fidelity Super HeavyWeight is available in Toronto and across Canada through Vinyl Sound, an authorized Mobile Fidelity dealer in Toronto, Canada. Vinyl Sound carries both the Super HeavyWeight and the heavier Super HeavyWeight Champion, and can advise on which model is the better match for your specific turntable and listening priorities.

Is the Super HeavyWeight worth using on an entry-level turntable?

Yes, the MoFi Super HeavyWeight is designed to deliver audible improvements on any turntable, including entry-level models. Its 367.4 g mass is calculated precisely to stay within the load tolerance of motors, bearings, and suspensions across the full range of turntable designs, and the HRS polymer noise-absorption technology operates independently of platter mass or material. Users upgrading from Pro-Ject, Rega, Audio-Technica, and similar entry-level and mid-range turntables have reported consistent improvements in background silence and bass definition comparable to those documented by Thom Moon of SoundStage! Access during his evaluation on the MoFi StudioDeck.