PEX B&C 8NSM64 8 8" Professional Neodymium Sealed Back Midrange 8 Ohm P12018830PEX-294-5946 https://cdnimages.opentip.com/full/PEX/PEX-294-5946.jpg B&C 8NSM64 8 8" Professional Neodymium Sealed Back Midrange 8 Ohm Manufacturer Part Number: 8NSM64-8The convenient 8NSM64-8 8\" sealed back midrange from B&C Speakers is perfect for use in any high output 3-way speaker design. With 100 dB sensitivity and 250 watt RMS power handling, this midrange has enough output capability to keep up with the most powerful drivers. The cast aluminum housing provides ample heat dissipation and isolated the driver for easy installation.Key Features: 2-1/2\" voice coil and fiberglass former to handle up to 250 watts RMS High output midrange response with extremely low distortion Non-resonant cast aluminum rear chamber provides isolation and heat dissipation Waterproof treated paper cone for use in damp and wet locations B&C 8NSM64-8 8\" Professional Neodymium Sealed Back Midrange 8 OhmB&C Speakers\' 8NSM64-8 8\" sealed back midrange produces high efficiency midrange response from 245 to 2,000 Hz with remarkably low distortion. With a non-resonant cast aluminum rear chamber, the 8NSM64-8 can be easily installed into enclosures without the need for additional isolation. The motor system is powered by a high energy neodymium ring magnet for low weight and high efficiency. Treated with a waterproof coating, the naturally damped paper cone keeps unwanted resonances under control for smooth and accurate response, even when used in harsh conditions. B&C\'s NSM series dedicated narrow-bandwidth midranges offer the lowest distortion at given output of any midrange available. The 8NSM64-8 is the ideal midrange for use in high output 3-way direct radiation or front loaded horn speaker systems.Product Details BrandB&C Speakers Model8NSM64-8 Part Number294-5946 UPC848864063409 Unit of MeasureEach Weight11.55 Product Specifications Nominal Diameter8\" Bolt Circle Diameter8.74 Moving Mass Of Diaphragm (Mmd)19.0 Power Handling (RMS)250 Watts Power Handling (MAX)500 Watts Impedance8Ω Frequency Response245 to 2,000Hz Sensitivity100dB 2.83V/1m Voice Coil Diameter2.5\" Thiele-Small Parameters Resonant Frequency (Fs)245Hz DC Resistance (Re)5.7Ω Voice Coil Inductance (Le)0.6mH Mechanical Q (Qms)9.3 Electromagnetic Q (Qes)0.35 Total Q (Qts)0.34 Compliance Equivalent Volume (Vas)0.05ft³ BL Product (BL)22T·m Maximum Linear Excursion (Xmax)2mm Surface Area of Cone (Sd)220cm² Materials of Construction Cone MaterialTreated Paper Surround MaterialCloth Voice Coil Wire MaterialAluminum Voice Coil FormerFiberglass Basket / Frame MaterialCast Aluminum Magnet MaterialNeodymium Mounting Information Overall Outside Diameter9.41\" Baffle Cutout Diameter7.87\" Depth4.53\" # Mounting Holes6 12018830 848864063409 14.4200lbs 0.00 0.00 0.00

B&C Speakers

380.3300 2025-07-11 Only 1 left In Stock B&C 8NSM64 8 8" Professional Neodymium Sealed Back Midrange 8 Ohm

B&C 8NSM64-8 8" Professional Neodymium Sealed Back Midrange 8 Ohm

Brand B&C Speakers

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Product Description

Manufacturer Part Number: 8NSM64-8

The convenient 8NSM64-8 8" sealed back midrange from B&C Speakers is perfect for use in any high output 3-way speaker design. With 100 dB sensitivity and 250 watt RMS power handling, this midrange has enough output capability to keep up with the most powerful drivers. The cast aluminum housing provides ample heat dissipation and isolated the driver for easy installation.

Key Features:

2-1/2" voice coil and fiberglass former to handle up to 250 watts RMS
High output midrange response with extremely low distortion
Non-resonant cast aluminum rear chamber provides isolation and heat dissipation
Waterproof treated paper cone for use in damp and wet locations

B&C 8NSM64-8 8" Professional Neodymium Sealed Back Midrange 8 Ohm

B&C Speakers' 8NSM64-8 8" sealed back midrange produces high efficiency midrange response from 245 to 2,000 Hz with remarkably low distortion. With a non-resonant cast aluminum rear chamber, the 8NSM64-8 can be easily installed into enclosures without the need for additional isolation. The motor system is powered by a high energy neodymium ring magnet for low weight and high efficiency. Treated with a waterproof coating, the naturally damped paper cone keeps unwanted resonances under control for smooth and accurate response, even when used in harsh conditions. B&C's NSM series dedicated narrow-bandwidth midranges offer the lowest distortion at given output of any midrange available. The 8NSM64-8 is the ideal midrange for use in high output 3-way direct radiation or front loaded horn speaker systems.

Brand

B&C Speakers

Model

8NSM64-8

Part Number

294-5946

UPC

848864063409

Unit of Measure

Each

Weight

11.55

Nominal Diameter

Bolt Circle Diameter

8.74

Moving Mass Of Diaphragm (Mmd)

19.0

Power Handling (RMS)

250 Watts

Power Handling (MAX)

500 Watts

Impedance

8Ω

Frequency Response

245 to 2,000Hz

Sensitivity

100dB 2.83V/1m

Voice Coil Diameter

2.5"

Resonant Frequency (Fs)

245Hz

DC Resistance (Re)

5.7Ω

Voice Coil Inductance (Le)

0.6mH

Mechanical Q (Qms)

9.3

Electromagnetic Q (Qes)

0.35

Total Q (Qts)

0.34

Compliance Equivalent Volume (Vas)

0.05ft³

BL Product (BL)

22T·m

Maximum Linear Excursion (Xmax)

2mm

Surface Area of Cone (Sd)

220cm²

Cone Material

Treated Paper

Surround Material

Cloth

Voice Coil Wire Material

Aluminum

Voice Coil Former

Fiberglass

Basket / Frame Material

Cast Aluminum

Magnet Material

Neodymium

Overall Outside Diameter

9.41"

Baffle Cutout Diameter

7.87"

Depth

4.53"

# Mounting Holes

Attention CA Residents: Prop 65 Warning

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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