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Coaxial Wedge Collaboration
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<blockquote data-quote="Jeff Babcock" data-source="post: 16643" data-attributes="member: 46"><p>Re: Coaxial Wedge Collaboration</p><p></p><p></p><p></p><p></p><p></p><p>Here are the B&C specs. It is NOT a 1'' comp driver (however, note that there are a few 1'' drivers capable of 1.2K crossover, like BMS4552ND). BTW I agree re usable to 80Hz, users can always raise HPF in processing if desired. This is a pretty capable coax driver. It checks a lot of boxes for me, including being very lightweight.</p><p></p><p></p><p></p><p></p><p></p><p>B&C 12CXN76 Specifications</p><p></p><p></p><p></p><p>320 mm (12 in) Nominal Diameter</p><p></p><p>8 ohm Nominal Impedance</p><p></p><p>6.5 Ohm (LF) 8 Ohm (HF) Minimum Impedance</p><p></p><p>45 - 18000 Hz Frequency Range</p><p></p><p>80° Dispersion Angle</p><p></p><p>1.2 kHz Recom Crossover</p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p>LF Unit</p><p></p><p>99 dB Sensitivity (1W/1m)</p><p></p><p>700 WContinuous Power Handling</p><p></p><p>350 WNominal Power Handling (AES)</p><p></p><p>76 mm (3 in) Voice Coil Diameter</p><p></p><p></p><p></p><p></p><p></p><p>HF Unit</p><p></p><p>105 dB Sensitivity (1W/1m)</p><p></p><p>160 W Continuous Power Handling</p><p></p><p>80 W Nominal Power Handling (AES)</p><p></p><p>75 mm (3 in) Voice Coil Diameter</p><p></p><p></p><p></p><p></p><p></p><p>Parameters</p><p></p><p>42 Hz Fs</p><p></p><p>5 ohm Re</p><p></p><p>0.2 Qes</p><p></p><p>8 Qms</p><p></p><p>0.19 Qts</p><p></p><p>120 dm3 (4.20 ft3) Vas</p><p></p><p>522 cm2 (80.90 in2)Sd</p><p></p><p>4.1 %η0</p><p></p><p>± 4 mm Xmax</p><p></p><p>± 6 mm Xvar</p><p></p><p>47 g Mms</p><p></p><p>17.6 Txm Bl</p><p></p><p>0.8 mH Le</p><p></p><p></p><p></p><p>Mounting info</p><p></p><p>315 mm (12.4 in) Overall Diameter</p><p></p><p>298 mm (11.7 in) Bolt Circle Diameter</p><p></p><p>282 mm (11.1 in) Baffle Cutout Diameter</p><p></p><p>170 mm (6.7 in) Depth</p><p></p><p>14 mm (0.55 in) Flange and Gasket Thickness</p><p></p><p>5 kg (11 lb) Net Weight</p><p></p><p></p><p></p><p></p><p></p><p><img src="http://[url]http://www.bcspeakers.com/PRD/GRP/288.jpg[/url]" alt="" class="fr-fic fr-dii fr-draggable " data-size="" style="" /></p></blockquote><p></p>
[QUOTE="Jeff Babcock, post: 16643, member: 46"] Re: Coaxial Wedge Collaboration Here are the B&C specs. It is NOT a 1'' comp driver (however, note that there are a few 1'' drivers capable of 1.2K crossover, like BMS4552ND). BTW I agree re usable to 80Hz, users can always raise HPF in processing if desired. This is a pretty capable coax driver. It checks a lot of boxes for me, including being very lightweight. B&C 12CXN76 Specifications 320 mm (12 in) Nominal Diameter 8 ohm Nominal Impedance 6.5 Ohm (LF) 8 Ohm (HF) Minimum Impedance 45 - 18000 Hz Frequency Range 80° Dispersion Angle 1.2 kHz Recom Crossover LF Unit 99 dB Sensitivity (1W/1m) 700 WContinuous Power Handling 350 WNominal Power Handling (AES) 76 mm (3 in) Voice Coil Diameter HF Unit 105 dB Sensitivity (1W/1m) 160 W Continuous Power Handling 80 W Nominal Power Handling (AES) 75 mm (3 in) Voice Coil Diameter Parameters 42 Hz Fs 5 ohm Re 0.2 Qes 8 Qms 0.19 Qts 120 dm3 (4.20 ft3) Vas 522 cm2 (80.90 in2)Sd 4.1 %η0 ± 4 mm Xmax ± 6 mm Xvar 47 g Mms 17.6 Txm Bl 0.8 mH Le Mounting info 315 mm (12.4 in) Overall Diameter 298 mm (11.7 in) Bolt Circle Diameter 282 mm (11.1 in) Baffle Cutout Diameter 170 mm (6.7 in) Depth 14 mm (0.55 in) Flange and Gasket Thickness 5 kg (11 lb) Net Weight [img] [url]http://www.bcspeakers.com/PRD/GRP/288.jpg[/url] [/img] [/QUOTE]
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