B&C Speakers 12 BG 100 8 Ohms

A B&C Reference Designed for Compact Loads and Heavy Use

The 12BG100 is a 12-inch loudspeaker from B&C Speakers intended for demanding applications where both power handling, reliability, and an easy-to-integrate format are sought. With a specified frequency response from 40 Hz to 1 kHz, it naturally fits into configurations focused on bass and low-midrange, typical of modern sound reinforcement speakers. Its neodymium magnet helps keep weight down while maintaining a powerful motor, a key point when the speaker needs to be transported, hung, or frequently handled.

What Applications Is the 12BG100 Designed For?

This model is aimed at integrators, speaker manufacturers, contractors, and DIY enthusiasts who want a high-power 12-inch loudspeaker to create or refurbish a sound reinforcement speaker. It is particularly suitable for projects targeting clean, solid bass in a compact volume, as well as a low-midrange that remains stable at high levels. Thanks to its sensitivity of 93 dB 1w/1m, it can be integrated into multi-way systems (with crossover) or efficiency-oriented speakers, considering the specified useful bandwidth (up to 1 kHz).

As a replacement, it will also interest users who want to keep their speaker's architecture while starting fresh with a robust transducer, provided mechanical compatibility (diameter, depth) and enclosure tuning are verified.

Design and Key Points: Power, Control, and Resistance to Real-World Conditions

4-inch Voice Coil: Thermal Stability and Power Handling

The 12BG100 is equipped with a 4-inch (100 mm) copper wire voice coil. This coil size, commonly associated with high-power loudspeakers, promotes good heat dissipation and better stability when pushing the system for extended periods. The result: more headroom before thermal compression and more consistent behavior at high volume, especially in sound reinforcement contexts.

Neodymium Motor: Performance and Controlled Weight

The neodymium magnet enables an efficient motor while limiting the overall weight of the loudspeaker. This is a tangible advantage for speakers intended to be moved, stacked, or installed at height. The specified weight of 8.8 kg is consistent with a design focused on reliability and high power.

Moving Assembly and Suspension: Excursion Control

With a Xmax of 10.5 mm, a roll suspension, and a double silicone spider, this loudspeaker is designed to maintain mechanical control during large excursions. These components play an important role in bass performance and distortion limitation when the speaker is driven hard, especially on energy-rich signals in the low-frequency range.

Treated Cone: Useful Protection for Intensive Use

The radial cone with waterproof treatment provides extra protection against real operating conditions (humidity, temperature variations, harsh environments). For systems regularly used outdoors or in untreated venues, this design detail contributes to longevity without changing your usage habits.

Recommended Enclosure: Compact and Tuned

The manufacturer specifies a recommended enclosure volume of 19 liters with a tuning at 63 Hz. This information is valuable for designing a compact bass-reflex enclosure that is coherent, keeping in mind that the final result will also depend on the port, internal damping, crossover, and how the loudspeaker is used within the 40 Hz to 1 kHz range.

Technical specifications

Rackable	No	Type	Speakers
Category	sound reinforcement accessory

Brand / Model	B&C Speakers 12BG100	Xmax	10.5 mm
Impedance	8 ohms	Voice Coil	4 inches (100 mm), copper wire
Reference	12BG100-8	Magnet	neodymium
Supplier	ALT12BG1008	Suspension	roll
Repair Kit	RCK12BG1008 (sold separately)	Cone	radial with waterproof treatment
Nominal Diameter	12 inches (32 cm)	Spider	double silicone
Power	2000 W AES	Recommended Volume	19 liters
Sensitivity	93 dB 1w/1m	Recommended Tuning	63 Hz
Frequency Response	40 Hz - 1 kHz	Dimensions	319 x 137 mm
Fs	39 Hz	Weight	8.8 kg
Qts	0.33