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Phl Audio

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PHL Audio 7221Nd 18 inches bass driver Nominal Diameter Rated Impedance Reference efficiency (1W @ 1m) Power Handling Capacity SPL max (continuous) Usable frequency range Speaker net mass 46 cm / 18 '' 8Ω 96.5 dB SPL 1000 W AES 124 dB SPL 25 - 800 Hz 7.4 kg Architecture highlights : - Natural convection Intercooling system for noiseless sound reproduction - Neodymium magnet system with symmetric BL(x) and Le(x) characteristics - Both sides coated curvilinear cone (Tropical withstanding) - Heavy duty long excursion suspension with linear behavior for large signal Motor architecture Mounting information Voice coil diameter mm 101 Air volume occupied by the driver Voice coil length mm 25 Speaker net mass Air gap height mm 10 Baffle cut-out diameter (front mounting) Rated impedance Z W Half space sensitivity ([email protected]) - dB SPL 96.5 Hz 25 - 800 8 422.0 8x M6 Bolt circle diameter mm 454.0 Max overall dimension (on ears) mm 476.0 Max overall dimension (out of ears) mm 457.0 Flange height mm 15.0 Max magnet diameter mm 140.0 Usable freq. range Power handling capacity (AES) - W 1000 Max depth (front mounting) Max Sound Pressure Level SPLmax dB SPL 124 Recommended reflex box Min. impedance modulus Zmin [email protected] [email protected] mH 1.686 0.729 Voice-coil inductance @ 1kHz Voice-coil inductance @ 10kHz Le10k mH BL product BL N/A 28.0 Moving mass Mms kg 0.217 Resonance frequency Fs Hz 34 (±5) DC Resistance Re W 5.2 (±0.5) Mechanical quality factor Qms 1 5.79 Electrical quality factor Qes 1 0.31 Total quality factor Qts 1 0.29 Suspension compliance Cms Effective piston area Sd Equivalent Cas air load Electrical connection Thiele-Small parameters -6 10 .m/N 100 2 0.1250 Vas m3 0.2210 Max linear excursion Xmax mm Linear displacement volume Vd Reference efficiency h0 m -3 10 .m 1.2504 3 18.8 % 2 Unity load volume ± 10.0 3 Vas.Qts -3 10 .m 2.7 Absolute maximum ratings Short term max. input voltage Vmax V 180 Max.excursion before damage Xdam mm 21.0 Ambient operating temperature Ta °C -10 to +50 °C -20 to +70 Storage temperature Environemental withstanding 7.4 - - Le1k 6.2 kg mm Bolt number & Metric diameter Typical characteristics 10-3.m 3 Tropical 深圳市庄家贸易有限公司, 深圳市龙岗区爱南路389号一楼, +86-136.8685.1212, [email protected] PHL Audio S.A.S, 461 rue des Chênes, 77590 Chartrettes, France, +33-1648.12980, www.phlaudio.com mm 185.0 Lts / Hz 200L / 33Hz Ø4 mm Push buttons