Check the listing for details. Celestion CDX1-1731 - Neodymium Magnet Compression Driver - 1" - Screw-On. Condition: New. Listed at 132.99 USD. A Celestion CDX1-1730 Neodymium Compression Driver. Specifications: · 1" exit, neodymium magnet compression driver with 1.75" edgewound copper clad aluminium voice coil · 40Wrms (AES standard) power handling and 110dB sensitivity · Designed with Sound Castle™ clamping to ensure uniform pressure on diaphragm assembly for reduced acoustic distortion · One piece PETP film diaphragm and surround · Advanced Finite Element Analysis (FEA) tools used to create a very light weight, high powered compression driver General Specifications:Power rating - 40WrmsNominal impedance - 8ΩFrequency range - 1200-20,000HzSensitivity - 110dBRecommended min. crossover (12dB/oct) - 2200HzVoice coil diameter - 44mm/1.75inVoice coil material - Edgewound copper clad aluminiumMagnet type - NeodymiumDiaphragm material - PETP filmSurround material - PETP film Mounting Information :Overall depth - 57mm/2.3inFittingScrew (35mm, 1.38in dia)Throat exit - 25.4mm/1inMaximum width - 88.5mm/3.48inMinimum width - 82.0mm/3.23inUnit weight - 0.65kg/1.4lb Packed Dimensions & Weight :Single pack size W x D x H - 90mm x 90mm x 60mm / 3.5in x 3.5in x 2.4inSingle pack weight - 0.75kg/1.7lb We Carry A Full Line Of RCF, Celestion & Eminence Speakers & DriversIf You're Looking A Particular Model And You Don't See It Here Please Send Us A Message FREE SHIPPING ONLY In the Lower 48 StatesMost Orders Placed Before 2PM and Paid thru' PayPal Are Shipped The Same Day; Monday to Friday PLEASE NOTE: ITEMS SHIPPED OUTSIDE OF THE CONTINENTAL U.S. (ALASKA, HAWAII, & PUERTO RICO) WILL BE SUBJECT TO AN ADDITIONAL SHIPPING SURCHARGE OF $20 FOR EACH ITEM. THE AMOUNT WILL BE INVOICED TO YOU VIA PAYPAL AFTER PURCHASE. IF YOU HAVE ANY OTHER QUESTIONS, PLEASE LET US KNOW. POR FAVOR TOME EN CUENTA: ARTÍCULOS ENVIADOS FUERA DE LOS ESTADOS UNIDOS CONTINENTALES (ALASKA, HAWAII Y PUERTO RICO) ESTARÁN SUJETOS A UN RECARGO DE ENVÍO ADICIONAL DE $ 20 POR CADA ARTÍCULO. LA CANTIDAD SE LE FACTURARÁ A TRAVÉS DE PAYPAL DESPUÉS DE LA COMPRA. SI TIENE ALGUNA OTRA PREGUNTA, POR FAVOR DEJANOS SABER.