B&C Speakers manual 6NDL38 Woofer, Specification, Thiele & Small Parameters

Models: 6NDL38

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6NDL38 Woofer

38 mm (1.5 in) copper voice coil

70 - 6000 Hz response

92 dB sensitivity Neodymium magnet allows a very light yet powerful motor assembly Aluminium demodulating ring allows a very low distortion figure

300 W continuous program power capacity

LF Drivers LF Nd Drivers Coaxials HF Drivers Horns

Specification

Nominal Diameter

170

(6.5) mm (in)

Nominal Impedance (1)

 

8 Ohm

Minimum Impedence

 

6 Ohm

Nominal Power Handling (2)

 

150 W

Continuous Power Handling (3)

 

300 W

Sensitivity (1W/1m) (4)

 

92 dB

Frequency Range

 

70 - 6000 Hz

Voice Coil Diameter

38

(1.5) mm (in)

Winding Material

 

Copper

Former Material

 

Kapton

Winding Depth

12

(0.5) mm (in)

Magnetic Gap Depth

6 (0.25) mm (in)

Flux Density

 

1.15 T

Thiele & Small Parameters

Fs

72 Hz

Re

5.2 Ohm

Qes

0.44

Qms

11.5

Qts

0.42

Vas

7 (0.25) dm3 (ft3)

Sd

132 (20.5) cm2 (in2)

Eta Zero

0.6 %

Xmax

+/- 6 mm

Xvar

+/- 5.5 mm

Mms

17 g

Bl

9.5 Txm

Le

0.6 mH

 

Mounting and Shipping Info

 

 

Overall Diameter

187 mm (7.4 in)

Bolt Circle Diameter

172 mm (6.7 in)

Baffle Cutout Diameter

145 mm (5.7 in)

Depth

85 mm (3.3 in)

Flange and Gasket Thickness

11 mm (0.4 in)

Net Weight

1.2 kg (2.6 lb)

Shipping Weight (4 units)

6.1 kg (13.4 lb)

Shipping Box (4 units)

405x225x210 mm

 

(15.9x8.8x8.3 in)

1For different impedances, please ask.

22 hours test made with continuous pink noise signal (6 dB crest factor). Power calculated on rated minimum impedance.

3Power on Continuous Program is defined as 3 dB greater than the Nominal rating.

4Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms Nominal Impedance

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B&C Speakers manual 6NDL38 Woofer, Specification, Thiele & Small Parameters, Mounting and Shipping Info

6NDL38 specifications

B&C Speakers is renowned for its commitment to quality and innovation in the professional audio industry. One of their standout products is the B&C 6NDL38, a premium low-frequency driver that sets a benchmark in performance and durability. This 6.5-inch driver is expertly designed to cater to a wide range of applications, from live sound reinforcement to studio monitoring, ensuring that it meets the diverse needs of audio professionals.

A key feature of the 6NDL38 is its high excursion capability. This driver utilizes an optimized suspension system that allows it to handle significant power levels while providing impressive linearity. With a power handling of 400 watts RMS and a peak power capacity of up to 800 watts, this driver can deliver powerful sound output without compromising on clarity.

The 6NDL38's cone is made from a premium paper composite material, which contributes to its lightweight and robust design. This cone material is engineered for enhanced rigidity and reduced distortion, ensuring that audio playback remains faithful to the source. Additionally, the driver features a unique double silicone spider, which helps improve mechanical stability and linearity during high-stress conditions.

Another standout technology incorporated into the 6NDL38 is the high-temperature voice coil. The voice coil uses a copper winding that ensures efficient heat dissipation, resulting in improved reliability and reduced risk of thermal failure during prolonged use. This high-temperature capability is essential for reliable performance in demanding live sound settings.

The 6NDL38 also features a vented pole piece design. This design fosters excellent airflow around the voice coil, minimizing compression and allowing for superior transient response. As a result, this driver performs exceptionally well at both low and high frequencies, providing a balanced sound profile suitable for various applications.

In conclusion, the B&C 6NDL38 is a meticulously engineered low-frequency driver that excels in both performance and durability. With its high excursion capabilities, lightweight cone, advanced voice coil technology, and innovative design features, it stands out as an excellent choice for professionals seeking high-quality sound reinforcement. Whether in a live music setting or a studio environment, the 6NDL38 promises to deliver outstanding acoustic performance.