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Fountek FR135EX 5" Neodymium Full Range Speaker Driver

Brand:|Model: FR135EX|Part # 296-723

Fountek’s FR135EX 5" full range driver features an attractive, high-strength aluminum cone, robust cast-aluminum frame, and an optimized long-excursion neodymium motor, for low distortion and excellent detail.
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Part # 296-723
  • Black anodized aluminum cone with phase plug
  • 40 watts RMS power handling
  • Neo-powered, high-excursion, underhung motor design
  • Smooth, extended frequency response
  • Cast aluminum frame

Product Details

Fountek FR135EX 5" Neodymium Full Range Speaker Driver

Fountek has applied much of what it has learned from designing industry-leading ribbon transducers in creating its line of full-range drivers. These high-performing cone drivers feature optimized aluminum diaphragms that shed resonance rapidly, for exceptional detail and smooth frequency response.

The 5" FR135EX model features a high-strength neodymium motor structure for low distortion, extended excursion, and excellent transient response. It’s perfect as a full-range driver or a midrange in multi-way speaker designs.

Product Specifications
  • Nominal Diameter5"
  • Power Handling (RMS)40 Watts
  • Power Handling (max)80 Watts
  • Impedance8 ohms
  • Frequency Response50 to 26,000 Hz
  • Sensitivity85.1 dB 1W/1m
  • Voice Coil Diameter1.26"
Thiele-Small Parameters
  • Resonant Frequency (Fs)61.5 Hz
  • DC Resistance (Re)6 ohms
  • Mechanical Q (Qms)1.71
  • Electromagnetic Q (Qes)0.69
  • Total Q (Qts)0.49
  • Compliance Equivalent Volume (Vas)0.22 ft.³
  • Mechanical Compliance of Suspension (Cms)0.89 mm/N
  • BL Product (BL)5.03 Tm
  • Diaphragm Mass Inc. Airload (Mms)7.55g
  • Moving Mass Of Diaphragm (Mmd)7.21
  • Maximum Linear Excursion (Xmax)5 mm
  • Surface Area of Cone (Sd)70.5 cm²
Materials of Construction
  • Cone MaterialAluminum
  • Surround MaterialFoam
  • Voice Coil Wire MaterialCopper
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter5.73"
  • Baffle Cutout Diameter4.53"
  • Depth2.71"
  • Bolt Circle Diameter5.35"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.13 ft.³
  • Sealed F3100 Hz
  • Vented Volume0.34 ft.³
  • Vented F348 Hz
Fountek FR135EX 5" Neodymium Full Range Speaker Driver
  • BrandFountek
  • ModelFR135EX
  • Part Number296-723
  • UPC848864004204
  • Product CategoryMidrange / Midbass Drivers & Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (1 Reviews)
  • Weight2.55 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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Fountek FR135EX 5" Neodymium Full Range Speaker Driver
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