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Fountek FW146 5-1/4" Aluminum Midwoofer Speaker

Brand:| Model: FW146
Overview
Fountek’s FW146 is a robust 5-1/4" midbass driver that features an attractive aluminum cone (and phase plug), a high-strength cast-aluminum frame, and an optimized motor structure for low distortion and excellent detail.
Highlights
  • Elegant satin anodized-aluminum cone with phase plug
  • Long-throw voice coil for dynamic bass
  • Linear response up to 5,000 Hz for easy integration with tweeters
Part # 
296-727
Weight: 3 lbs.  
OUT OF STOCK
Due In: 1/20/2015
List Price$47.99
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$36.85
Buy 4-up$35.10
Part # 296-727
Qty:  EA
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Product Details

Fountek FW146 5-1/4" Aluminum Midwoofer Speaker

Fountek midbass drivers offer exceptional value with premium features like aluminum cones and phase plugs, robust cast frames, and optimized low-distortion motors.  They’re the perfect choice for use in high-end loudspeaker systems, paired with premium-quality tweeters like Fountek’s own ribbon units.

The FW146 5-1/4” midwoofer is the perfect choice for compact mini-monitor speaker projects, or as a midrange in a three-way configuration together with a dedicated woofer. The aluminum cone and phase plug feature a discreet, stylish satin anodized finish, and the cast frame adds structural rigidity to the driver.



Product Specifications
  • Nominal Diameter5-1/4"
  • Power Handling (RMS)35 Watts
  • Power Handling (max)70 Watts
  • Impedance8 ohms
  • Frequency Response45 to 4,000 Hz
  • Sensitivity86.1 dB 1W/1m
  • Voice Coil Diameter1.02"
Thiele-Small Parameters
  • Resonant Frequency (Fs)50 Hz
  • DC Resistance (Re)6 ohms
  • Mechanical Q (Qms)3.51
  • Electromagnetic Q (Qes)0.46
  • Total Q (Qts)0.4
  • Compliance Equivalent Volume (Vas)0.35 ft.³
  • Mechanical Compliance of Suspension (Cms)1.14 mm/N
  • BL Product (BL)6.07 Tm
  • Diaphragm Mass Inc. Airload (Mms)8.94g
  • Moving Mass Of Diaphragm (Mmd)8.54
  • Maximum Linear Excursion (Xmax)3.6 mm
  • Surface Area of Cone (Sd)77.61 cm²
Materials of Construction
  • Cone MaterialAluminum
  • Surround MaterialRubber
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter5.73"
  • Baffle Cutout Diameter4.53"
  • Depth2.7"
  • Bolt Circle Diameter5.35"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.12 ft.³
  • Sealed F398 Hz
  • Vented Volume0.29 ft.³
  • Vented F352 Hz
Fountek FW146 5-1/4" Aluminum Midwoofer Speaker
  • BrandFountek
  • ModelFW146
  • Part Number296-727
  • UPC848864004228
  • Product CategoryMidrange / Midbass Drivers & Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight3 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

Fountek FW146 5-1/4" Aluminum Midwoofer Speaker
Fountek FW146 5-1/4" Aluminum Midwoofer Speaker is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Excellent metal cone wooferVery low distortion and excellent sounding metal cone woofer. The breakup modes are much higher in frequency making it simpler to work with than other metal or stiff cone woofers and allows it more flexible to use with a larger variety of tweeters, including ribbons. I've used this with Beston RT003C planar ribbon and Fountek NeoCD3.0 ribbon tweeters. Not many metal cone woofers can mate with ribbons without either a very high price tag or more complex crossover to adequately address breakups that occur much lower in frequency in other woofers. It matches the speed of the ribbon tweeters very well. I've tried with a couple of dome tweeters also and worked great. Overall the best value metal cone anywhere near its price range. The matte finished cone and phase plug are also very subtlely elegant looking, making for a very high-end looking speaker.
Date published: 2014-04-10
Rated 5 out of 5 by from Surprisingly goodI have built a few speaker designs over the years and being from Europe, I have previously had best results with Scanspeak drivers. Not so much luck with cheaper drivers. Having built some monitors with these crossed over at 2Khz to some Dayton audio RS28F tweeters, I was surprised and impressed with the performance. Clear without being harsh and high quality bass. Much much better than I expected. So far, the best budget drivers I have ever used, I note that I deliberately used a low crossover point and impedance correction.
Date published: 2014-03-20
Rated 5 out of 5 by from Excellent performanceI used this speaker as a center channel with Beston RT002A Ribbon Tweeter and it sounds excellent.
Date published: 2013-10-23

Product Q&A

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Fountek FW146 5-1/4" Aluminum Midwoofer Speaker

What would the best port size be for this speaker if places in a 0.25 cubic foot inclosure?

Asked by: DoitYourself
The recommended port size for this woofer in that volume is 1-1/2" diameter, 7" long for a tuning frequency of about 47 Hz.
Answered by: MattP
Date published: 2014-11-18

The input tabs are not labelled. There is a regular sized spade connector and a smaller one. Which is negative and which positive?

Asked by: S2rt
The larger tab is positive.
Answered by: MattP
Date published: 2014-11-12

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