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Aurum Cantus AC120/50CK 5" Midwoofer

Aurum Cantus
Part #296-440

Aurum Cantus AC120/50CK 5" Midwoofer

Aurum Cantus
Part #296-440  
Model: AC120/50CK
The Aurum Cantus AC120/50CK 5" midwoofer is capable of performance far beyond what is usually expected from transducers of its size or class.
Key Features
  • 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
Your Price: $101.98
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MSRP: $140.99
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Estimated back in stock 2/20/2025
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Overview

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 Details

BrandAurum Cantus
ModelAC120/50CK
Part Number296-440
UPC844632089121
Unit of MeasureEach
Weight5.25

Product Specifications

Nominal Diameter5"
Bolt Circle Diameter5.39
Power Handling (RMS)150 Watts
Power Handling (MAX)225 Watts
Impedance8Ω
Frequency Response43 to 7,000Hz
Sensitivity90dB 2.83V/1m
Voice Coil Diameter2"

Thiele-Small Parameters

Resonant Frequency (Fs)43Hz
DC Resistance (Re)7Ω
Voice Coil Inductance (Le)0.67mH
Mechanical Q (Qms)3.4
Electromagnetic Q (Qes)0.19
Total Q (Qts)0.18
Compliance Equivalent Volume (Vas)0.42ft³
Mechanical Compliance of Suspension (Cms)1.21mm/N
BL Product (BL)10.6T·m
Diaphragm Mass Inc. Airload (Mms)11.5g
Maximum Linear Excursion (Xmax)6mm
Surface Area of Cone (Sd)82cm²

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"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.03ft³
Sealed F3182Hz
Vented Volume0.112ft³
Vented F364Hz

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