Beyma CP380/M

CP-380M – Compression driver

The Beyma CP-380M is a high-sensitivity 1″ high-frequency compression driver designed for efficient, clear HF reproduction. It features a lightweight edgewound aluminium ribbon voice coil, polyester diaphragm, ferrite magnet, and aluminium cover, delivering 107 dB sensitivity and 140 W program power above 1.5 kHz.

Technical Specifications
Nominal diameter: 25.4 mm; 1″
Rated impedance: 8 Ω
Minimum impedance: 5.2 Ω
D.C. resistance: 4.3 Ω
Power capacity 1: 70 W AES above 1.5 kHz
Program power 2: 140 W above 1.5 kHz
Sensitivity: 107 dB 1W / 1m @ ZN coupled to TD-250
Frequency range: 0.8–20 kHz
Recommended crossover: 1.2 kHz or higher (12 dB/oct min.)
Voice coil diameter: 44.4 mm; 1.75″
Magnetic assembly weight: 3 kg
Flux density: 2 T
Bl factor: 7 N/A