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Руководство пользователя BEYMA 15G40. Основные функции, характеристики и условия эксплуатации изложены на 2 страницах документа в pdf формате.
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15G40 15G40 G 4 0 S e r i e s KEY FEATURES High power handling (700 WAES) • Waterproof paper cone • 4” edgewound copper voice coil with polyimide • fiber glass former Optimum winding length for increased linear • excursion Spiders of improved temperature behaviour: • retain good mechanical properties at high power Designed for woofer applications • GENERAL DESCRIPTION This low frequency transducer is specially intended for the most demanding applications. Its design concept arises from the need of achieve a more resistant loudspeaker that matches the more and more power given by ultimate amplification systems. In order to accomplish that, almost every component of the speaker has been reconsidered: its voice coil has the benefits of an improved manufacturing process and the highest quality materials, while the dual spider configuration includes a nomex spider that maintains its compliance constant with the applied power. Moreover, the magnetic structure construction generates a symmetrical magnetic field and, at the same time, provides an efficient thermal path which contributes to heat dissipation. Furthermore, its parameters has been optimized to obtain an excellent bass response when used in small bass-reflex cabinets. FREQUENCY RESPONSE AND DISTORTION CURVES FREE AIR IMPEDANCE CURVE Note: on axis frequency response measured with loudspeaker standing on infinite baffle in anechoic chamber, 1w @ 1m. PREDICTED LOW FREQUENCY RESPONSE POWER COMPRESSION LOSSES Note: Bass-reflex cabinet, Vb=80 l, fb=45 Hz Note: These losses are calculated from a five minutes AES power test applying band limited pink noise (25-1200 Hz). The loudspeaker is free-air standing.
15G40 15G40 G 4 0 S e r i e s TECHNICAL SPECIFICATIONS DIMENSION DRAWINGS Nominal diameter 380 mm. 15 in. Rated impedance 8 ohms. Minimum impedance 7 ohms. Power capacity* 700 w AES Program power 1400 w Sensitivity 97 dB 2.83v @ 1m @ 2 Frequency range 25 - 1500 Hz Recom. enclosure vol. 40 / 150 l 1.4 / 6 ft. 3 Voice coil diameter 100 mm. 4 in. Magnetic assembly weight 9 kg. 19.8 lb. BL factor 23 N / A Moving mass 0.122 kg. Voice coil length 23 mm. Air gap height 9.5 mm. X damage (peak to peak) 33 mm. MOUNTING INFORMATION MATERIALS Overall diameter 388 mm. 15.28 in. Voice coil: edgewound copper wire with high • Bolt circle diameter 370 mm. 14.57 in. temperature bonding strength. Polyimide fiber glass Baffle cutout diameter: former able to withstand high temperatures. - Front mount 352 mm. 13.86 in. Cone: waterproof paper cone capable of endure the • - Rear mount 355 mm. 13.98 in. most extreme conditions. Depth 171 mm. 6.7 in. Surround: treated cloth to assure good retaining of • Volume displaced by driver 7 l 0.25 ft. 3 elasticity in despite of continuing use. Net weight 10.4 kg. 22.9 lb. Spider: dual spider combination made of nomex + • Shipping weight 11.5 kg. 25.4 lb. polycotton to maintain good mechanical properties at high applied power. THIELE-SMALL PARAMETERS** • Metal parts: anti-corrosion coated back plate designed to resist aggressive environmental Resonant frequency, fs 37 Hz conditions D.C. Voice coil resistance, Re 5.9 ohms. • Basket: specially designed die cast aluminium bas- Mechanical Quality Factor, Qms 9.95 ket to avoid disturbing resonances. Electrical Quality Factor, Qes 0.31 • Magnet: high Curie temperature ferrite. Total Quality Factor, Qts 0.30 Equivalent Air Volume to Cms, Vas 149 l Notes: Mechanical Compliance, Cms 155 m / N * The power capacity is determined according to AES2-1984 (r2003) Mechanical Resistance, Rms 2.8 kg / s standard. Program power is defined as the transducer's ability to handle normal music program material. Efficiency, o (%) 2.3 Effective Surface Area, Sd (m ) 0.0830 m 2 ** T-S parameters are measured after an exercise period using a 2 Maximum Displacement, Xmax 7 mm. preconditioning power test. The measurements are carried out with a Displacement Volume, Vd 576 cm 3 velocity-current laser transducer and will reflect the long term parameters Voice Coil Inductance, Le @ 1 kHz 2.9 mH (once the loudspeaker has been working for a short period of time). a c u s t i c a b e y m a , s . a . 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 ·