{"product_id":"jbl-selenium-d305-phenolic-compression-2-bolt-on-driver-8ohm","title":"JBL \/ Selenium - D305 Phenolic Compression 2\" Bolt-On Driver 8ohm","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOriginal JBL \/ Selenium - D305 Phenolic Compression 2\" Bolt-On Driver 8-ohm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDriver X Horn Connection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e2\"\u003c\/strong\u003e (50 mm) exit compression driver for high sensitivity, low distortion and smooth medium frequency response applications.That leads the D305 driver to deliver high  performance, high quality and high value for the pinnacle in sound reinforcement applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIts construction features include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eferrofluid (Ferrosound ) loaded gap reducing heat build-up and offering consistent results over long-term demanding concert usage;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e voice coil is made of high temperature wire wound on Kapton former to withstand high operating temperatures;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003einjected plastic housing;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e precisely engineered diaphragm structure and alignment mechanism allows for easy, reliable and cost effective repair in case of diaphragm failure.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eGeneral Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNominal impedance -  8 ohm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimum impedance @ 3,870 Hz -  6.4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower handling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMusical Program(w\/ xover 500 Hz 12 dB \/ oct) . . . . 100 W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMusical Program(w\/ xover 1,000 Hz 12 dB \/ oct) . . . 150 W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency Response at 10 dB -  400 to 9,000 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThroat diameter -  50 (2) mm (in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiaphragm material  -   Phenolic.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoice coil diameter - 75 (3) mm (in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimum recommended crossover (12 dB \/ oct) - 500 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOn horn,2.83V at 1m, on axis - 110 dB SPL\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOn plane-wave tube,0.0894V - 115 dB SPL\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRe -  . 6.0 ohm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlux density -  1.60 T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMusical Program= 2 x W RMS.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMeasured with HL4750-SLF horn, 800 - 3,500 Hz average.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThe sensitivity represents the SPL in a 25 mm terminated tube, 800 - 3,500 Hz average.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAdditional Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMagnet material -  Barium ferrite\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnet weight -  1,600 (57) g (oz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnet diameter x depth - 169 x 19 (6.65 x 0.75) mm (in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnetic assembly weight -   4,360 (9.61) g (lb)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHousing material -  Plastic\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHousing finish. -  Black\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnetic assembly steel finish -  Zinc-plated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoice coil material -  Copper (® Voice coil former material -  Polyimide (Kapton )\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoice coil winding length - 5.3 (17.4) m (ft)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVoice coil winding depth - 3.5 (0.14) mm (in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWire temperature coefficient of resistance (a25) - 0.00337 1\/°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e3 Volume displaced by driver -  1.4 (0.049) l (ft )\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight - 5,000 (11.02) g (lb)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGross weight -  5,100 (11.24) g (lb)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarton dimensions (W x D x H)  -19 x 18.5 x 8.5 (7.5 x 7.3 x 3.4) cm (in)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMounting Information :\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHorn connection - Bolt on\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumber of holes -  4 (M6) equally spaced threaded holes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThreaded holes diameter -  102 (4) mm (in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConnectors  -  Push terminals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePolarity -  Positive voltage applied to the positive terminal (red) gives diaphragm motion toward the throat .\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":49835914297635,"sku":"J-D305","price":86.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9625\/7827\/files\/J-D305-1.jpg?v=1726760330","url":"https:\/\/altagamacaraudio.com\/products\/jbl-selenium-d305-phenolic-compression-2-bolt-on-driver-8ohm","provider":"ALTA GAMA CAR AUDIO","version":"1.0","type":"link"}