Fountek FR135EX 5″ Neodymium Full Range Speaker Driver
Overview:
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.
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
Product Description:
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 |
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