[. . . ] SPECS P E A V E Y E L E C T R O N I C S ImpulseTM 500 Sub Add-On WeatherResistant InjectionMolded Subwoofer Speaker System SPECIFICATIONS Enclosure: Peavey Impulseª 500 Subwoofer Frequency Response: Filtered: 50 Hz to 150 Hz Unfiltered: 50 Hz to 2. 8 kHz Low Frequency Limit (-3 dB point): 50 Hz Unfiltered: 122 dB continuous Unfiltered: 1/4" phone jack Useable Low Frequency Limit (-10 dB point): 44 Hz Transducer Compliment: Model 1554 15" Black Widow woofer ¨ Enclosure Materials and Finish: Injection-molded high-impact polypropylene of a nominal thickness of 1/4" and with textured finish Power Handling: Filtered: 300 W continuous (34. 6 V RMS) 600 W program 1, 200 W peak Unfiltered: 350 W continuous (37. 4 V RMS) 700 W program 1, 400 W peak Box Tuning Frequency (Fbox): 44 Hz Crossover Type: Passive Internal Low Pass Mounting: Stand mounting via molded-in mount, flying via Versamountª 70 (top or bottom of cabinet) and four rubber feet for floor use Electroacoustic Crossover Frequency (Filtered): 150 Hz Dimensions (H x W x D): 28. 562" tall x 21. 312" wide (11. 5" wide in rear) x 17" deep. [72. 55 cm x 54. 13 cm (29. 21 cm rear) x 43. 18 cm] Sound Pressure Level (1W @ 1m, swept-sine input in anechoic environment): Filtered: 98 dB Unfiltered: 101 dB (midrange level) Crossover Slope: 12 dB/octave (2nd order) low pass Impedance (Nominal): 4 ohms Net Weight: 52 lbs. [. . . ] The cabinet shall incorporate four, tall, sturdy rubber feet for floor standing use, and four mounting point inserts on the top and bottom each for flying use. The enclosure shall incorporate a vent of the type known as a HyperVent. The outside dimensions shall be 28. 562" (72. 55 cm) tall by 21. 312" (54. 13 cm) wide (11. 5" {29. 21 cm} wide in rear) by 17" (43. 18 cm) deep and the weight shall be 52 lbs. The loudspeaker system shall be called a Peavey Model Impulse 500 Subwoofer. Neutrikª and Speakonª are registered trademarks of Neutrik AG. When use of a stand is considered, the Peavey S-1ª stand is recommended. Other stands may not have a base sufficiently wide enough for stability and safety. For permanent outdoor installation, avoid direct cone exposure to sunlight and rain by tilting speaker down and use a splash shield on top. Before attempting to suspend this speaker, consult a certified structural engineer. Speaker can fall from improper suspension, resulting in serious injury and property damage. [. . . ] Box 2898, Meridian, Mississippi 39302-2898. Features and specifications subject to change without notice. Peavey Electronics Corporation ¥ 711 A Street ¥ Meridian ¥ MS ¥ 39301 (601) 483-5365 ¥ FAX (601) 486-1278 ¥ www. peavey. com ©1999 Printed in the U. S. A. [. . . ]