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B&C 6NDL38 6-1/2" Neodymium Woofer

B&C SpeakersPart # 294-646
Model: 6NDL38
B&C developed the 6NDL38 6-1/2" cast frame neodymium woofer/midrange for high output compact speaker systems.

Key Features

  • Designed for woofer and midrange applications
  • High-energy neodymium motor
  • 300 watt continuous program power
  • 1.5" copper voice coil on a polyimide former
  • Aluminum demodulation ring lowers distortion
  • 92 dB 1W/1m sensitivity
  • 6 mm Xmax
Your Price: $138.78
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MSRP: $231.30
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Estimated back in stock 7/9/2025
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Overview

B&C 6NDL38 6-1/2" Neodymium Woofer

B&C developed the 6NDL38 6-1/2" cast frame neodymium woofer/midrange for high output compact speaker systems. The rubber half-roll cone surround and long copper voice coil provide high excursion capability, and an aluminum demodulation ring reduces distortion.

Product Details

BrandB&C Speakers
Model6NDL38
Part Number294-646
UPC844632086021
Unit of MeasureEach
Weight3.3

Product Specifications

Nominal Diameter6-1/2"
Bolt Circle Diameter6.7
Power Handling (RMS)300 Watts
Impedance
Frequency Response70 to 6,000Hz
Sensitivity92dB 2.83V/1m
Voice Coil Diameter1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)72Hz
DC Resistance (Re)5.2Ω
Voice Coil Inductance (Le)0.6mH
Mechanical Q (Qms)11.5
Electromagnetic Q (Qes)0.44
Total Q (Qts)0.42
Compliance Equivalent Volume (Vas)0.25ft³
BL Product (BL)9.5T·m
Diaphragm Mass Inc. Airload (Mms)17g
Maximum Linear Excursion (Xmax)6mm
Surface Area of Cone (Sd)132cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter7.4"
Baffle Cutout Diameter5.7"
Depth3.3"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.2ft³
Sealed F3138.5Hz
Vented Volume0.25ft³
Vented F370.1Hz

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