12″
2-way
Partially verified
B&C F122AN
A 2-way top with a 12-inch woofer and a 1.4-inch driver on an 80° × 60° horn, made from 15 mm birch plywood.
No performance data published
Manufacturer
B&C Speakers
Manufacturer of professional loudspeaker drivers and compression drivers. Provides “Suggested designs” for DIY builders.
Reference designs
Link to section “Reference designs”- 12″ 2-way Partially verified
B&C MC122AN
A wedge monitor with a 12-inch coaxial driver and passive crossover. According to the schematic, incandescent lamps protect the tweeter.
No performance data published
- 18″ Bass reflex Partially verified
B&C S18BN
An 18-inch bass reflex subwoofer made from 18 mm birch plywood. The document contains drawings and measured curves, but hardly any text.
No performance data published
- 18″ Horn Partially verified
B&C S18H
An 18-inch bass horn made from 18 mm board. The document consists of drawings; no specifications are given in the text.
No performance data published
Drivers
Link to section “Drivers”- 12″ B&C Speakers 12HCX76 B&C 12HCX76: 12″ coaxial driver with a shared neodymium motor, 3″ HF section with titanium diaphragm and 60° × 40° coverage.
- 12″ B&C Speakers 12NW76 B&C 12NW76: 12″ woofer with neodymium ring magnet, 3″ voice coil and a very low Qts of 0.16 – the manufacturer recommends 50 L, tuned to 60 Hz.
- 18″ B&C Speakers 18SW115 B&C 18SW115: 18″ subwoofer with neodymium inside magnet, 4.5″ voice coil and 14 mm Xmax – the manufacturer recommends 150 L, tuned to 35 Hz.
- 18″ B&C Speakers 18TBX100 B&C 18TBX100: 18″ subwoofer with ferrite motor, 4″ voice coil and Qts 0.35 – the manufacturer recommends 200 L, tuned to 34 Hz.
- 1.4″ B&C Speakers DE820TN B&C DE820TN: 1.4″ compression driver with titanium diaphragm, 3″ voice coil and neodymium motor – the manufacturer recommends crossing over from 1.2 kHz.