Furutech Flux-50 NCF In-Line Power Filter
Best power upgrade for audiophiles seeking a pristine, noise-free soundstage.
Elevate your audio experience with the Furutech Flux-50 NCF In-Line Power Filter. This advanced filter purifies incoming electricity, combating distortion from ground noise, voltage fluctuations, and high-frequency interference. Utilizing the innovative Nano Crystal² Formula (NCF), it significantly reduces noise and resonance, delivering an exceptionally silent noise floor for incredibly fine resolution, improved soundstaging, and dynamic, lifelike audio reproduction across the entire frequency spectrum. It effectively lowers noise on all connected components, ensuring natural resolution and dynamics for a superior listening experience.
$995.00
Owner Satisfaction
4.6
/ 5
Category Rank
100
/ 221
#100 in Electronic Filters
Price vs Category Average
+309%
Above average
Who it's for
- Audiophiles seeking a pristine, noise-free soundstage for their high-end systems
- System builders prioritizing long-term durability and premium material construction
- Listeners wanting simple, non-intrusive upgrades for their existing power setup
Who should skip it
- Budget-conscious buyers looking for high-value, cost-effective system enhancements
- Owners of stable power environments with minimal audible performance gains
- Minimalists struggling with limited space and complex cable management
Performance breakdown
Noise Floor Reduction
NCF technology creates an exceptionally silent background for critical listening.
EMI/RFI Suppression
Advanced filtering effectively eliminates high-frequency interference from your power line.
Build Quality
Premium rhodium-plated components and non-resonant housing ensure long-term durability.
Soundstage Clarity
Improves spatial imaging and detail retrieval for a more lifelike presentation.
Current Delivery
Robust design maintains clean power flow without restricting dynamic range.
Installation Ease
Heavy-duty construction requires careful cable management due to its substantial size.
Key Specs
Rated for AC 115V/250V 15A 50/60Hz operation
Features FI-50 NCF power connector with rhodium-plated α (Alpha) nonmagnetic components
Incorporates AC-1501R EMI-filtering with Neo Damper technology
EMI filter reduces noise at 1MHz by 10dB and at 10MHz by over 30dB
Utilizes Floating Field Damper (Earth/Ground Jumper System)
Conductor
62-strand α (Alpha) OCC, 3.8mm diameter
Overall Sheath Diameter
Approx. 18.8mm
Includes special passive GC-303 EMI filtering material
Features
- Active noise elimination with NCF technology
- Reduces cable noise by a factor of 10
- Achieves an utterly silent noise floor
- Enhances soundstage and image detail
- Delivers musical highs, engaging midrange, and tight bass
- Non-resonant connector body construction
- Patent-pending cable clamp for secure grip
- Uses RoHS-compliant materials
What customers say
The Furutech Flux-50 NCF Power Filter significantly elevates audio performance by reducing noise. Users report a dramatically lower noise floor, resulting in a "blacker" background and enhanced clarity. This sonic improvement reveals subtle musical details and expands the soundstage, offering a more natural and immersive listening experience. The premium build quality inspires confidence in its durability. While a notable investment, the substantial performance gains are widely considered to justify the cost for audiophiles prioritizing ultimate system fidelity and a more refined sound.
Know before you buy
Nano Crystal² Formula (NCF) is a specialized material that generates negative ions to eliminate static and converts thermal energy into far-infrared. In this filter, it works to dampen mechanical and electrical resonance, resulting in a lower noise floor that allows for greater detail and a more expansive soundstage.
No, the Flux-50 NCF is designed to handle high-current demands up to 15A without limiting dynamics. Its internal architecture ensures that it provides clean, filtered power without the compression or sluggishness often associated with inferior power conditioning products.
For the best results, connect the Flux-50 NCF directly between your wall outlet and your power distribution block or directly to your most sensitive component. This positioning allows it to intercept and filter incoming EMI and RFI noise before it reaches your equipment.
You will likely notice a 'blacker' background, which makes subtle details and micro-dynamics easier to hear. Listeners typically report tighter, more controlled bass and a smoother, more natural presentation in the midrange and high frequencies.
Yes, the unit is rated for universal operation between 115V and 250V at 50/60Hz. It is fully compatible with standard residential power environments globally, provided your local plug configuration matches the IEC connectors used.
The Floating Field Damper is an internal system that manages ground potential and noise without requiring any special external setup. It works automatically to prevent ground-related noise from circulating through your connected components.
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$995