Product Range - 15'' models PD.153C01 - Bass/ Mid Range Driver Heavy duty cast aluminium frame for increased rigidity. Low distortion. Suitable for bass reflex or closed box designs but also works well in horn loaded designs. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 15" / 380 mm400 W (A.E.S.)3.0" / 76 mm100 dB + MORE... PD.1550 Heavy-duty cast aluminium chassis for increased rigidity. Power compression only 2.7dB at rated power*. A B/L in excess of 26 T/m. Suitable for both horn-loaded and bass reflex designs. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"600 w (A.E.S.)101 mm / 4.0"99 dB + MORE... PD.158 Heavy-duty cast aluminium Chassis for increased rigidity. Double suspension system. Easy integration with 1" or 2" compression drivers. Effective transducer in a variety of versatile applications. Also suitable for 1x15" or 2x15" horn loaded/bandpass sub bass designs. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"600 w (A.E.S.)101 mm / 4.0"98 dB + MORE... PD.156 Heavy-duty cast aluminium Chassis for increased rigidity. Double suspension system. Easy integration with 2" compression drivers. Effective transducer in a variety of versatile applications. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"650 w (A.E.S.)115 mm / 4.5"96 dB + MORE... PD.154 Heavy-duty cast aluminium chassis for increased rigidity. A B/L in excess of 29 T/m. Also suitable for bass guitar applications. Ideal for three-way direct radiating systems. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"500 w (A.E.S.)101 mm / 4.0"97 dB + MORE... PD.153ER Heavy-duty cast aluminium chassis for increased rigidity. A B/L in excess of 22 T/m. Extended mid range response up to 4.5kHz. Suitable for either direct radiating or popular horn loaded mid/high applications. Easy integration with small format compression drivers. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"400 w (A.E.S.)76 mm / 3.0"100 dB + MORE... PDN.15BR40 Discontinued - Special Order / OEM Only. Contact info@precision-devices.com for order information. Heavy-duty cast aluminium chassis for increased rigidity. A smooth extended mid range to allow easy crossover integration. Lightweight neodymium magnet. Suitable for bass reflex designs. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"700 w (A.E.S.)101 mm / 4.0"97 dB + MORE... PDN.15SB40 Discontinued - Special Order / OEM Only. Contact info@precision-devices.com for order information. Heavy-duty cast aluminium chassis for increased rigidity. Easy integration with 1" or 2" compression drivers. Effective transducer in a variety of versatile applications. A B/L in excess of 28 T/m. Also suitable for 1x15" or 2x15" horn loaded/bandpass sub bass designs. Lightweight neodymium magnet assembly. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"600 w (A.E.S.)101 mm / 4.0"98 dB + MORE... PD.155N01 - Bass Driver Special Order / OEM Only. Contact info@precision-devices.com for order information. Lightweight neodymium motor system. Heavy duty cast aluminium frame for increased rigidity. Low distortion. Long driver excursion. Suitable for bass reflex or closed box designs but also works well in horn loaded designs. Provides bass coverage in the PD.155TXN01 triaxial driver. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 15" / 380 mm700 W (A.E.S.)5.0" / 127 mm98 dB + MORE... PD.15BR40 Discontinued - Special Order / OEM Only. Contact info@precision-devices.com for order information. Heavy-duty cast aluminium chassis for increased rigidity. A smooth extended mid range to allow easy crossover integration. Suitable for bass reflex designs. Nominal DiameterPower RatingVoice Coil DiameterSensitivity (1w / 1m) 380 mm / 15"700 w (A.E.S.)101 mm / 4.0"97 dB + MORE...