Fountek FW146 5-1/4″ Aluminum Midwoofer Speaker
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.
Product 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
Product Description:
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 Specification:
Nominal Diameter | 6-1/2″ |
Power Handling (RMS) | 40 Watts |
Power Handling (MAX) | 80 Watts |
Impedance | 4Ω |
Sensitivity | 1″ |
Frequency Response | 45 to 5,000Hz |
Voice Coil Diameter | 1.02″ |
Thiele Small Parameters:
Resonant Frequency (Fs) | 50 Hz |
DC Resistance (Re) | 6 ohms |
Surface Area Of Cone (Sd) | 77.61 cm² |
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) | 6.07Tm |
Diaphragm Mass Inc. Airload (Mms) | 8.94g |
Maximum Linear Excursion (Xmax) | 3.6mm |
Materials of Construction:
Cone Material | Aluminum |
Surround Materia | Rubber |
Voice Coil Wire Material | Copper |
Voice Coil Former | Aluminum |
Magnet Material | Ferrite |
Basket / Frame Material | Cast Aluminum |
Mounting Information:
Overall Outside Diameter | 5.73″ |
Baffle Cutout Diameter | 4.53″ |
Depth | 2.7″ |
Mounting Holes | 4 |
Bolt Circle Diameter | 5.35″ |
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion):
Sealed Volume | 0.12 ft.³ |
Sealed F3 | 98 Hz |
Vented Volume | 0.29 ft.³ |
Vented F3 | 52 Hz |
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