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Aurum Cantus AC120/50CK 5" Midwoofer

Brand:|Model: AC120/50CK|Part # 296-440

The Aurum Cantus AC120/50CK 5" midwoofer is capable of performance far beyond what is usually expected from transducers of its size or class.
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Part # 296-440
  • Non-woven carbon fiber/Kevlar composite cone
  • Large 2" diameter copper-clad aluminum flat wire voice coil maximizes dynamic range
  • Round cast aluminum alloy frame is strong; easy to flush mount
  • Powerful magnet structure features distortion-canceling fixtures
  • Long-throw design and good Xmax for strong bass
  • Vented pole piece reduces power compression

Product Details

Aurum Cantus AC120/50CK 5" Midwoofer

The Aurum Cantus AC120/50CK 5" midwoofer is capable of performance far beyond what is usually expected from transducers of its size or class. The tailored response of the speaker's exotic yet supremely engineered cone selection delivers the signature Aurum Cantus combination of depth, accuracy, and listenability. A large diameter copper-plated flat aluminum wire voice coil provides high efficiency and excellent power handling, complemented by a low-distortion magnet system and precisely cast aluminum alloy basket. Aurum Cantus woofers are characterized by fast transient response, minimal tonal coloration, and deep, dynamic bass.

Product Specifications
  • Nominal Diameter5"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)225 Watts
  • Impedance8 ohms
  • Frequency Response43 to 7,000 Hz
  • Sensitivity90 dB 1W/1m
  • Voice Coil Diameter2"
Thiele-Small Parameters
  • Resonant Frequency (Fs)43 Hz
  • DC Resistance (Re)7 ohms
  • Voice Coil Inductance (Le)0.67 mH
  • Mechanical Q (Qms)3.4
  • Electromagnetic Q (Qes)0.19
  • Total Q (Qts)0.18
  • Compliance Equivalent Volume (Vas)0.42 ft.³
  • Mechanical Compliance of Suspension (Cms)1.21 mm/N
  • BL Product (BL)10.6 Tm
  • Diaphragm Mass Inc. Airload (Mms)11.5g
  • Maximum Linear Excursion (Xmax)6 mm
  • Surface Area of Cone (Sd)82 cm²
Materials of Construction
  • Cone MaterialCarbon Fiber / Kevlar
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter5.91"
  • Baffle Cutout Diameter4.88"
  • Depth3.19"
  • Bolt Circle Diameter5.39"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.02 ft.³
  • Sealed F3191 Hz
  • Vented Volume0.04 ft.³
  • Vented F3130 Hz
Aurum Cantus AC120/50CK 5" Midwoofer
  • BrandAurum Cantus
  • ModelAC120/50CK
  • Part Number296-440
  • UPC844632089121
  • Product CategoryMidrange / Midbass Drivers & Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (4 Reviews)
  • Weight5.25 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.


Aurum Cantus AC120/50CK 5" Midwoofer

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