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Aurum Cantus AC200/50C2C 8" Woofer

Brand:| Model: AC200/50C2C
Overview
An evolution of the AC Series, the Aurum Cantus AC200/50C2C 8" woofer uses high motor strength and low power compression to great effect.
Highlights
  • Non-woven carbon fiber sandwich 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 and under-spider openings reduce power compression
Part # 
296-452
Weight: 6.5 lbs.  
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Product Details

Aurum Cantus AC200/50C2C 8" Woofer

An evolution of the AC Series, the Aurum Cantus AC200/50C2C 8" woofer uses high motor strength and low power compression to great effect. The tailored response of the speaker's exotic yet supremely engineered non-woven carbon fiber sandwich cone delivers the signature Aurum Cantus combination of depth, accuracy, and listenability. A 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 Diameter8"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)225 Watts
  • Impedance8 ohms
  • Frequency Response27 to 4,500 Hz
  • Sensitivity90 dB 1W/1m
  • Voice Coil Diameter2"
Thiele-Small Parameters
  • Resonant Frequency (Fs)27 Hz
  • DC Resistance (Re)7 ohms
  • Voice Coil Inductance (Le)0.67 mH
  • Mechanical Q (Qms)4.25
  • Electromagnetic Q (Qes)0.28
  • Total Q (Qts)0.26
  • Compliance Equivalent Volume (Vas)4.59 ft.³
  • Mechanical Compliance of Suspension (Cms)1.9 mm/N
  • BL Product (BL)8.8 Tm
  • Diaphragm Mass Inc. Airload (Mms)20.2g
  • Maximum Linear Excursion (Xmax)6 mm
  • Surface Area of Cone (Sd)220 cm²
Materials of Construction
  • Cone MaterialCarbon Fiber
  • Voice Coil Wire MaterialCCA
  • Voice Coil FormerKapton® / Polyimide
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.86"
  • Baffle Cutout Diameter7.48"
  • Depth4.1"
  • # Mounting Holes10
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.53 ft.³
  • Sealed F382 Hz
  • Vented Volume1.04 ft.³
  • Vented F352 Hz
  • * Enclosure volume/F3s based on BassBox "optimum" calculations-
Optimum Cabinet Size *
  • Sealed Volume0.53 ft.³
  • Sealed F382 Hz
  • Vented Volume1.04 ft.³
  • Vented F352 Hz
  • * Enclosure volume/F3s based on BassBox "optimum" calculations-
Aurum Cantus AC200/50C2C 8" Woofer
  • BrandAurum Cantus
  • ModelAC200/50C2C
  • Part Number296-452
  • UPC844632089183
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Weight6.5 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.

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Reviews

Aurum Cantus AC200/50C2C 8" Woofer

Product Q&A

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who own this product or have experience with it.
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Aurum Cantus AC200/50C2C 8" Woofer

Does it have a progressive spider?

I intend to use them in vented enclosures. Also, how many are in the package?
Asked by: WILSONSAN
It is difficult to tell by the picture. most likely the spider is linear because it was not stated, usually progressive spiders are used in auto sound systems to limit the excursions when the voice coil travels out to the edge of the magnet assembly. because space is limited in auto applications and the speaker pistons must have long excursions for high spl this usually lifts the voice coil out of the magnetic gap thus limiting the damping factor from the amplifier. so with linear spiders the excursion is mostly controlled by the damping factor and progressive spiders get progressively stiff at the inner or outer limits.
Answered by: bigrich
Date published: 2012-03-24

Best box for full low extension?

Nice response curve.
Asked by: 2tune
I would run it in a 1.5 to 2 cubic foot vented enclosure tuned to 35hz which gives you an f3 of 42 and 37 hz respectively. A 4" diameter port or two 2.5" diameter ports are needed to keep port velocity low enough.4" diameter port:1.5 cuft, 35hz = 15" long2 cuft, 35hz = 10" longtwo 2.5" diameter ports:1.5 cuft, 35hz = 12" long2 cuft, 35hz = 9" longOr if a sealed enclosure is desired 0.5 to 1.0 cubic feet which give you an f3 of about 70hz with the larger enclosure having a more shallow rolloff below that.
Answered by: mtg90
Date published: 2013-02-10

Will two of these work in one sealed enclosure with a volume of 0.73 Cu. Ft.?

The interior dimensions of the enclosure are 22.75" H x 8" W x 7" D, or 0.73 Cu. Ft. This is actually a sealed enclosure within a much larger ported enclosure (see picture). The current setup has all JBL Pro Drivers and the none of them are appropriate for the tuning of the enclosures. Being a novice, I wanted to find out if two of these 8" Aurum Cantus woofer drivers are appropriate for this sized enclosure.I will also be replacing the 15" JBL's with something else. Any suggestions would be welcome. The net volume in the main, ported enclosures is about 13.4 Cu. Ft. - Int. Dim. 66.5" H x 16.5" W x 22.5" D less ext. dim. 23.25" H x 9" W x 7.5" D.
Asked by: Dude who needs help
That is a reasonbly acceptable size for two, a little on the small side but still usable. Qtc of .972, F3 of 80Hz.Cannot suggest something for the larger enclosure without knowing tuning frequency or port size/length.
Answered by: mtg90
Date published: 2013-07-08

Does this have a rubber surround?

there does seem to be any details about that here or the net. this speaker looks really good for my application, but the absence of a rubber surround would be a deal breaker.
Asked by: Kapil
Yes, the surround on this woofer is rubber.
Answered by: RussR
Date published: 2014-04-15

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