MoFi Electronics
MoFi Super Heavyweight Champion
Best record weight for audiophiles seeking enhanced clarity and resonance control.
The MoFi Super Heavyweight Champion is a premium record weight designed for large and heavy turntables. Developed with Harmonic Resolution Systems engineers, it goes beyond simple record coupling to actively dissipate groove noise, audibly improving clarity and impact. This accessory eliminates resonance, elevates resolution, and enhances stability, resulting in greater dynamics, firmer instrumental foundations, and better definition. Constructed with a machined aluminum outer shell and a proprietary noise-absorbing polymer underside, it offers a secure grip and protects your records. Its carefully chosen mass ensures it won't strain your turntable's motor or bearing.
$399.00
Owner Satisfaction
4.5
/ 5
Category Rank
957
/ 1637
#957 in Turntable Accessories
Price vs Category Average
-68%
Below average
Weight
17.5495
/ oz, g
Who it's for
- Audiophiles seeking maximum sonic detail and reduced surface noise
- Vinyl collectors needing consistent tracking for warped records
- Design-conscious listeners wanting a premium look for their turntable
Who should skip it
- Budget-focused listeners prioritizing value over incremental sonic gains
- Owners of turntables with sensitive or lightweight bearing assemblies
- Skeptics wanting guaranteed, transformative results across all audio systems
Performance breakdown
Resonance Control
Proprietary polymer effectively silences unwanted vibrations for a cleaner signal.
Build Quality
Precision-machined billet aluminum offers a premium, industrial-grade feel.
Ease of Use
Non-threaded design allows for quick, effortless placement on any platter.
Sonic Clarity
Noticeably improves instrumental separation and tightens the low-end response.
Surface Protection
Soft polymer underside keeps delicate record labels safe from scratches.
Bearing Compatibility
Carefully calibrated mass avoids putting unnecessary strain on turntable motors.
Key Specs
Weight
17.5oz, 495g
Outer Shell
billet-machined 6061 aluminum
Underside
soft polymer
Material
Aluminum, Polymer
Accessory Type
Record Weight
Application Purpose
Noise dissipation, Resonance control
Compatibility
Compatible with large and massive turntables
Features
- Actively dissipates groove noise for improved clarity and impact
- Eliminates resonance and enhances stability for better dynamics
- Developed in conjunction with Harmonic Resolution Systems engineers
- Features a proprietary HRS polymer for superior noise absorption
- Machined billet aluminum outer shell for easy grip
- Universal non-threaded design for simple and quick use
- Soft polymer underside protects record labels
What customers say
Customers consistently praise the MoFi Super Heavyweight Champion for its exceptional build quality and significant impact on audio performance. Many users report a noticeable improvement in sound clarity, bass definition, and overall musicality, attributing these enhancements to the weight's ability to flatten records and reduce resonance. The product's solid construction and premium feel are frequently highlighted, reinforcing its perceived value despite the price point. It is widely regarded as a worthwhile investment for serious vinyl enthusiasts seeking to elevate their listening experience.
Know before you buy
While many weights simply add mass to flatten a record, this model uses a proprietary polymer developed with Harmonic Resolution Systems to actively absorb and dissipate groove noise and resonance, resulting in a cleaner, more stable playback.
The weight is specifically calibrated to provide effective damping without exceeding the load limits of most high-end turntables. It is designed for use with large, massive turntables that are built to handle this level of mass.
No, this is a universal, non-threaded design. It simply sits over the spindle, making it quick and easy to use on any standard turntable platter.
Not at all. The underside is constructed from a soft, proprietary polymer that is gentle on record labels while providing a secure, non-slip grip.
By eliminating resonance, you should notice tighter bass, better instrumental definition, and increased dynamic range. It essentially allows your cartridge to track more accurately by reducing the interference caused by unwanted vibrations.
Still have a question?
Ask Hayley anything about this product before you decide.