PEX Dayton Audio ND91 8 3 1/2" Aluminum Cone Full Range Neo Driver 8 Ohm P5474235PEX-290-226 https://cdnimages.opentip.com/full/PEX/PEX-290-226.jpg Dayton Audio ND91 8 3 1/2" Aluminum Cone Full Range Neo Driver 8 Ohm Manufacturer Part Number: ND91-8HighlightsLow distortion, full-range 65 Hz to 17 kHz performanceRubber-edged black anodized aluminum alloy coneLarge excursion capability-5.1 mm Xmax, 25 mm peakSelf-shielded Neo-Balanced motor structure with copper alloy shorting ring1\" 4-layer underhung voice coil with polyimide former30 watts RMS power handlingGreat for line arrays and micro monitorsDayton Audio ND91-8 3-1/2\" Aluminum Cone Full-Range Neo Driver 8 OhmDayton Audio\'s ND91 aluminum cone full-range drivers are the latest addition to the acclaimed ND Series high output/low distortion neodymium transducers. By increasing the original ND90\'s voice coil diameter from 3/4\" to 1\" and adding a copper alloy shorting ring, the ND91-8 features even lower distortion and delivers better bass impact and dynamic range—with peak Xmax up to 25 mm!This high-BL version further exploits the low distortion characteristics of the Neo-Balanced motor\'s optimized magnetic field, making the ND91 drivers an excellent choice for full-range point-source speaker enclosures, as well as extremely accurate, high resolution line arrays. Product Specifications Nominal Diameter:3-1/2\" Power Handling (RMS):30 Watts Power Handling (max):60 Watts Impedance:8 ohms Frequency Response:70 to 17,000 Hz Sensitivity:82.1 dB 2.83V/1m Voice Coil Diameter:1\" Thiele-Small Parameters Resonant Frequency (Fs):70.7 Hz DC Resistance (Re):7.8 ohms Voice Coil Inductance (Le):1.24 mH Mechanical Q (Qms):4.29 Electromagnetic Q (Qes):0.53 Total Q (Qts):0.47 Compliance Equivalent Volume (Vas):0.05 ft.3 Mechanical Compliance of Suspension (Cms):1.05 mm/N BL Product (BL):5.63 Tm Diaphragm Mass Inc. Airload (Mms):4.8g Maximum Linear Excursion (Xmax):5.1 mm Surface Area of Cone (Sd):30.4 cm2 Materials of Construction Cone Material:Aluminum Surround Material:Rubber Voice Coil Wire Material:Aluminum Voice Coil Former:Kapton? / Polyimide Basket / Frame Material:Steel Magnet Material:Neodymium Mounting Information Overall Outside Diameter:3.35\" Baffle Cutout Diameter:3.01\" Depth:2.22\" Bolt Circle Diameter:3.66\" # Mounting Holes:4 Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) Sealed Volume:0.02 ft.3 Sealed F3:139 Hz Vented Volume:0.04 ft.3 Vented F3:75 Hz Dayton Audio ND91-8 3-1/2\" Aluminum Cone Full-Range Neo Driver 8 Ohm Brand:Dayton Audio Model:ND91-8 Part Number:290-226 UPC:844632090455 Product Category:Woofers Unit of Measure:EA Weight:0.7 lbs. 5474235 844632090455 1.09lbs 0.00 0.00 0.00
Dayton Audio
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Dayton Audio ND91-8 3-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm

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Upc: 844632090455
Model: PEX-290-226
Price: $31.49
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Product Description

Manufacturer Part Number: ND91-8

Highlights
  • Low distortion, full-range 65 Hz to 17 kHz performance
  • Rubber-edged black anodized aluminum alloy cone
  • Large excursion capability-5.1 mm Xmax, 25 mm peak
  • Self-shielded Neo-Balanced motor structure with copper alloy shorting ring
  • 1" 4-layer underhung voice coil with polyimide former
  • 30 watts RMS power handling
  • Great for line arrays and micro monitors


Dayton Audio ND91-8 3-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm
Dayton Audio's ND91 aluminum cone full-range drivers are the latest addition to the acclaimed ND Series high output/low distortion neodymium transducers. By increasing the original ND90's voice coil diameter from 3/4" to 1" and adding a copper alloy shorting ring, the ND91-8 features even lower distortion and delivers better bass impact and dynamic range—with peak Xmax up to 25 mm!

This high-BL version further exploits the low distortion characteristics of the Neo-Balanced motor's optimized magnetic field, making the ND91 drivers an excellent choice for full-range point-source speaker enclosures, as well as extremely accurate, high resolution line arrays.
Product Specifications
  • Nominal Diameter:3-1/2"
  • Power Handling (RMS):30 Watts
  • Power Handling (max):60 Watts
  • Impedance:8 ohms
  • Frequency Response:70 to 17,000 Hz
  • Sensitivity:82.1 dB 2.83V/1m
  • Voice Coil Diameter:1"
Thiele-Small Parameters
  • Resonant Frequency (Fs):70.7 Hz
  • DC Resistance (Re):7.8 ohms
  • Voice Coil Inductance (Le):1.24 mH
  • Mechanical Q (Qms):4.29
  • Electromagnetic Q (Qes):0.53
  • Total Q (Qts):0.47
  • Compliance Equivalent Volume (Vas):0.05 ft.3
  • Mechanical Compliance of Suspension (Cms):1.05 mm/N
  • BL Product (BL):5.63 Tm
  • Diaphragm Mass Inc. Airload (Mms):4.8g
  • Maximum Linear Excursion (Xmax):5.1 mm
  • Surface Area of Cone (Sd):30.4 cm2
Materials of Construction
  • Cone Material:Aluminum
  • Surround Material:Rubber
  • Voice Coil Wire Material:Aluminum
  • Voice Coil Former:Kapton? / Polyimide
  • Basket / Frame Material:Steel
  • Magnet Material:Neodymium
Mounting Information
  • Overall Outside Diameter:3.35"
  • Baffle Cutout Diameter:3.01"
  • Depth:2.22"
  • Bolt Circle Diameter:3.66"
  • # Mounting Holes:4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume:0.02 ft.3
  • Sealed F3:139 Hz
  • Vented Volume:0.04 ft.3
  • Vented F3:75 Hz
Dayton Audio ND91-8 3-1/2" Aluminum Cone Full-Range Neo Driver 8 Ohm
  • Brand:Dayton Audio
  • Model:ND91-8
  • Part Number:290-226
  • UPC:844632090455
  • Product Category:Woofers
  • Unit of Measure:EA
  • Weight:0.7 lbs.

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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