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Руководство пользователя BEYMA 18PW1400Fe. Основные функции, характеристики и условия эксплуатации изложены на 2 страницах документа в pdf формате.
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18PW1400/Fe LOW FREQUENCY TRANSDUCER www.beyma.com PW Series KEY FEATURES ? High power handling: 1400 W AES ? Malt Cross ® Cooling System ? Low power compression looses ? High sensitivity: 98 dB ? FEA optimized ferrite magnetic circuit ? Designed with MMSS technology for high control, linearity and low harmonic distortion ? Optimized nonlinear parameters ? Waterproof cone with treatment for both sides of the cone ? 4” DUO double layer inner/outer voice coil ? Aluminium demodulating ring ? Extended controlled displacement: X max ± 10 mm ? Massive mechanical displacement capability: X damage ± 55 mm DIMENSION DRAWINGS TECHNICAL SPECIFICATIONS Nominal diameter 460 mm 18 in Rated impedance 8 ? Minimum impedance 5,3 ? Power capacity* 1.400 W AES Program power 2.800 W Sensitivity 98 dB @ 1W @ Z N Frequency range 25 - 1.800 Hz Recom. enclosure vol. 80 / 200 l 2,8 / 7 ft 3 Voice coil diameter 100 mm 4 in Magnetic assembly weight 14,4 kg 31,8 lb Bl factor 29,0 N/A Moving mass 0,230 kg Voice coil length 25 mm Air gap height 12 mm MOUNTING INFORMATION X damage (peak to peak) 55 mm Overall diameter 461 mm 18,15 in Bolt circle diameter 438 mm 17,24 in Baffle cutout diameter: THIELE-SMALL PARAMETERS** - Front mount 413 mm 16,26 in - Rear mount 425 mm 16,73 in Resonant frequency, f s 32 Hz Depth 211 mm 8,31 in D.C. Voice coil resistance, R e 5,05 ? Volume displaced by driver 13 l 0,46 ft 3 Mechanical Quality Factor, Q ms 10,23 Net weight 16,9 kg 37,26 lb Electrical Quality Factor, Q es 0,28 Shipping weight 18,1 kg 39,98 lb Total Quality Factor, Q ts 0,27 Equivalent Air Volume to C ms , V as 228,9 l Notes: Mechanical Compliance, C ms 103 µm / N Mechanical Resistance, R ms 4,62 kg / s * The power capaticty is determined according to AES2-1984 (r2003) standard. Program power is defined as the transducer’s ability to handle normal music program material. Efficiency, ? 0 2,71 % ** T-S parameters are measured after an exercise period using a preconditioning power test. Effective Surface Area, S d 0,1255 m 2 The measurements are carried out with a velocity-current laser transducer and will reflect the long term parameters (once the loudspeaker has been working for a short period of time). Maximum Displacement, X max *** 10 mm *** The X max is calculated as (L vc - H ag )/2 + (H ag /3,5), where L vc is the voice coil length and Displacement Volume, V d 1.251 cm 3 H ag is the air gap height. Voice Coil Inductance, L e 1,2 mH
18PW1400/Fe LOW FREQUENCY TRANSDUCER www.beyma.com PW Series LOW & MID FREQUENCY TRANSDUCER FREE AIR IMPEDANCE CURVE POWER COMPRESSION LOSSES [?] [dB] [Power] [Hz] Note: Power compression losses were calculated after 5 minutes period applying a pink noise signal filtered between 25 and 200 Hz. FREQUENCY RESPONSE AND DISTORTION [dB] [Hz] Note: On axis frequency response measured with loudspeaker standing on infinite baffle in anechoic chamber, 1W @ 1m Poligono Industrial Moncada II ? C/. Pont Sec, 1c ? 46113 MONCADA - Valencia (Spain) ? Tel.: (34) 96 130 13 75 ? Fax: (34) 96 130 15 07 ? http://www.beyma.com ? E-mail: beyma@beyma.com ? 09/12