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PEX Fountek FR135EX 5" Neodymium Full Range Speaker Driver P5476069PEX-296-723 https://cdnimages.opentip.com/full/PEX/PEX-296-723.jpg Fountek FR135EX 5" Neodymium Full Range Speaker Driver Manufacturer Part Number: FR135EXHighlightsBlack anodized aluminum cone with phase plug40 watts RMS power handlingNeo-powered, high-excursion, underhung motor designSmooth, extended frequency responseCast aluminum frameFountek FR135EX 5\" Neodymium Full Range Speaker DriverFountek 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 SpecificationsNominal Diameter: 5\"Power Handling (RMS): 40 WattsPower Handling (max): 80 WattsImpedance: 8 ohmsFrequency Response: 50 to 26,000 HzSensitivity: 85.1 dB 1W/1mVoice Coil Diameter: 1.26\"Thiele-Small ParametersResonant Frequency (Fs): 61.5 HzDC Resistance (Re): 6 ohmsMechanical Q (Qms): 1.71Electromagnetic Q (Qes): 0.69Total Q (Qts): 0.49Compliance Equivalent Volume (Vas): 0.22 ft.³Mechanical Compliance of Suspension (Cms): 0.89 mm/NBL Product (BL): 5.03 TmDiaphragm Mass Inc. Airload (Mms): 7.55gMoving Mass Of Diaphragm (Mmd): 7.21Maximum Linear Excursion (Xmax): 5 mmSurface Area of Cone (Sd): 70.5 cm²Materials of ConstructionCone Material: AluminumSurround Material: FoamVoice Coil Wire Material: CopperVoice Coil Former: AluminumBasket / Frame Material: Cast AluminumMagnet Material: NeodymiumMounting InformationOverall Outside Diameter: 5.73\"Baffle Cutout Diameter: 4.53\"Depth: 2.71\"Bolt Circle Diameter: 5.35\"# Mounting Holes: 4Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)Sealed Volume: 0.13 ft.³Sealed F3: 100 HzVented Volume: 0.34 ft.³Vented F3: 48 HzFountek FR135EX 5\" Neodymium Full Range Speaker DriverBrand: FountekModel: FR135EXPart Number: 296-723UPC: 848864004204Product Category: Midrange / Midbass Drivers & Full-Range SpeakersUnit of Measure: EAWeight: 2.55 lbs. 5476069 848864004204 6.6000lbs 0.00 0.00 0.00
Fountek
99.98 2025-04-19 Discontinued
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Fountek FR135EX 5" Neodymium Full Range Speaker Driver

Brand Fountek
See other products from PEX
UPC: 848864004204
SKU: PEX-296-723
Price:
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Discontinued
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Product Description

Manufacturer Part Number: FR135EX

Highlights
  • 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


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 Diameter: 5"
  • Power Handling (RMS): 40 Watts
  • Power Handling (max): 80 Watts
  • Impedance: 8 ohms
  • Frequency Response: 50 to 26,000 Hz
  • Sensitivity: 85.1 dB 1W/1m
  • Voice Coil Diameter: 1.26"
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 Material: Aluminum
  • Surround Material: Foam
  • Voice Coil Wire Material: Copper
  • Voice Coil Former: Aluminum
  • Basket / Frame Material: Cast Aluminum
  • Magnet Material: Neodymium
Mounting Information
  • Overall Outside Diameter: 5.73"
  • Baffle Cutout Diameter: 4.53"
  • Depth: 2.71"
  • Bolt Circle Diameter: 5.35"
  • # Mounting Holes: 4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume: 0.13 ft.³
  • Sealed F3: 100 Hz
  • Vented Volume: 0.34 ft.³
  • Vented F3: 48 Hz
Fountek FR135EX 5" Neodymium Full Range Speaker Driver
  • Brand: Fountek
  • Model: FR135EX
  • Part Number: 296-723
  • UPC: 848864004204
  • Product Category: Midrange / Midbass Drivers & Full-Range Speakers
  • Unit of Measure: EA
  • Weight: 2.55 lbs.

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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