Celestion A-Type, 12" Chassis with 16 Ohms, Frequency 75Hz-5kHz, Ceramic Magnet, 50 Watt RMS, Sensitivity 98dB, Voice Coil 1,75", Cut out diameter Ø 283 mm, weight 3,1Kg, The A-Type is a new American toned speaker, but with Celestion heart & soul.