B&C Speakers manual 15HPL76 Woofer, Specification, Thiele & Small Parameters

Models: 15HPL76

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15HPL76 Woofer

700 W continuous program power capacity

76 mm (3 in) copper voice coil

40 – 2000 Hz response

99.5 dB sensitivity Neodymium magnet allows a very light yet powerful motor assembly Ventilated voice coil gap for reduced power compression

LF Drivers LF Nd Drivers Coaxials HF Drivers Horns

Specification

Nominal Diameter

380 (15) mm (in)

Nominal Impedance (1)

8 Ohm

Minimum Impedence

6.5 Ohm

Nominal Power Handling (2)

350 W

Continuous Power Handling (3)

700 W

Sensitivity (1W/1m) (4)

99.5 dB

Frequency Range

40 - 2000 Hz

Voice Coil Diameter

76 (3) mm (in)

Winding Material

Copper

Former Material

Glass Fibre

Winding Depth

16 (5/8) mm (in)

Magnetic Gap Depth

10 (0.4) mm (in)

Flux Density

1.15 T

Thiele & Small Parameters

Fs

39 Hz

Re

5.4 Ohm

Qes

0.32

Qms

4.0

Qts

0.29

Vas

194 (6.5) dm3 (ft3)

Sd

855 (132.5) cm2 (in2)

Eta Zero

3.5 %

Xmax

+/- 4 mm

Xvar

+/- 4.5 mm

Mms

88 g

Bl

19.2 Txm

Le

1.7 mH

 

Mounting and Shipping Info

 

 

Overall Diameter

392 mm (15.4 in)

Bolt Circle Diameter

374 mm (14.7 in)

Baffle Cutout Diameter

354 mm (13.9 in)

Depth

171 mm (6.7 in)

Flange and Gasket Thickness

12.5 mm (0.5 in)

Net Weight

3.8 kg (8.4 lb)

Shipping Weight

5.5 kg (12.1 lb)

Shipping Box

450x450x200 mm

 

(17.7x17.7x7.9 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 Nominal Impedance.

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B&C Speakers manual 15HPL76 Woofer, Specification, Thiele & Small Parameters, Mounting and Shipping Info

15HPL76 specifications

B&C Speakers has established itself as a leader in the pro audio industry, providing high-quality loudspeakers and components. Among their renowned products, the B&C Speakers 15HPL76 stands out as a top-tier low-frequency driver. This speaker is specifically designed for professional sound reinforcement applications and offers exceptional performance and reliability.

The 15HPL76 features a robust construction that ensures longevity and durability, crucial for the rigors of touring and live sound environments. Its 15-inch diameter makes it ideal for both subwoofer and full-range applications. The composite cone is crafted with high-quality materials, allowing it to deliver powerful bass while maintaining clarity and precision across the audio spectrum.

One of the main characteristics of the 15HPL76 is its exceptional power handling capability. With a peak power handling of up to 1200 watts, this driver can deliver high sound pressure levels without distortion, making it suitable for large venues and outdoor events. The speaker’s sensitivity rating of 98 dB ensures that it can produce loud sounds with minimal input power, which is a critical feature for maximizing efficiency in any audio setup.

Another key technology incorporated into the 15HPL76 is its innovative cooling system. The driver is designed with a unique voice coil and magnet assembly that allows for efficient heat dissipation. This ensures that the speaker can operate at high levels for extended periods without overheating, thereby enhancing performance consistency and longevity.

Additionally, the 15HPL76 utilizes a high-excursion, low-frequency suspension system. This feature enhances its ability to reproduce deep bass frequencies while minimizing distortion. The surround design also helps in achieving linear movement, which results in lower harmonic distortion and a cleaner output.

In summary, the B&C Speakers 15HPL76 is a powerful and versatile low-frequency driver that combines durability, efficiency, and advanced technologies. Its high power handling, sensitivity, and innovative cooling system make it an ideal choice for professional audio applications, ensuring that sound engineers and musicians can rely on it to deliver impressive sound quality in any setting. Whether used in concert halls or festivals, the 15HPL76 exemplifies B&C Speakers' commitment to excellence in audio performance.