User manual ELECTRO-VOICE DMC 1152B

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   ELECTRO-VOICE DMC-1152B DATASHEET (864 ko)

Manual abstract: user guide ELECTRO-VOICE DMC 1152B

Detailed instructions for use are in the User's Guide.

[. . . ] One conductor of #9 AWG stranded, #8 AWG solid, a pair of twisted #15 AWG stranded or a pair of #14 AWG solid conductors will fit. A positive electrical signal applied to the red (+) terminal will displace the cone away from the magnet, thus producing a positive acoustic pressure. Architects' and Engineers' Specifications The low-frequency transducer shall have a nominal diameter of 381 mm (15 in. ), overall depth not greater than 168 mm (6. 61 in. ), and weigh no more than 10 kg (22 lb). The magnetic assembly shall have an extended pole piece to reduce inductive variances with excursion, and provide a symmetrical magnetic field at the voice-coil gap. Two aluminum rings shall encircle the pole piece above and below the magnetic gap, and shall have internal diameters concentric with the internal diameter of the steel top plate. [. . . ] The usable frequency response shall be 30 Hz to 1, 800 Hz, and the nominal impedance shall be 8 ohms. The rated power for the loudspeaker shall be 1, 000 watts continuous program power. The low-frequency transducer shall be the Electro-Voice® EVX-155. Recommended Enclosures The most extended bass, lowest distortion and best control is usually realized in properly designed vented enclosures. In such designs, the vent, or port, actually provides the lowest octave of output. The vent is driven to full acoustic output by a relatively small motion of the speaker cone itself, acting through the air contained within the enclosure. The excursion of the EVX-155 at these frequencies is much reduced compared to sealed or open-back enclosures, directly reducing harmonic distortion and the possibility of speaker "bottoming. " Several specific vented-enclosure recommendations are shown on the previous page. The maximum output is limited by either: (1) the long-term thermal power handling capacity or (2) the speaker's maximum cone-excursion capability, whichever occurs first. Directional Characteristics The directional characteristics of the EVX-155 in the TL606A 90-liter (3. 2-ft³) vented enclosure were measured by running a set of polar responses in EV's large anechoic chamber. The test signal was octave-band-limited pseudo-random pink noise centered at the ISO standard frequencies. Figure 1. Frequency EVX-155/TL606A In a 90-Liter (3. 2-ft³) Enclosure 1 PROTEF- is covered by U. S. 4, 547, 632; Teflon® and Kevlar® are registered trademarks of DuPont. Specifications: Power Handling: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 watts continuous Per AES2-1984/ANSI S4. 26-1984: 50-500 Hz: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. 208 RE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. 0 ohms 0: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4. 32% SD: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. 079 m2 (123 in. 2) MMD: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. 127 kg (0. 280 lb) LE : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 6 mH CMS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0. 200 mm/N RMS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. 86 mechanical ohms PE(max): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 watts XMAX1: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. 4 mm (0. 25 in. ) Xlim2: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Polarity: A positive voltage applies to the positive (red) terminal produces a positive pressure at the front of the cone. [. . . ] Barium ferrite Frame: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cast aluminum Frame Finish: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Textured black epoxy Plating of Steel Parts: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bright Cadmium Voice-Coil Material: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]

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