Altec Lansing Industrial Professional Sound Products Spec site

ALTEC LANSING INDUSTRIAL PROFESSIONAL SOUND PRODUCTS MICROPHONE LIST

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D645 Dynamic Super Cardioid Microphone

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1597B Passive Monitor Panel

ARCHITECT'S AND ENGINEER'S SPECIFICATIONS


The microphone shall be of the dynamic moving coil type. It shall operate into an impedance of 150 f2, and have an output at 1 PA of -56 dBm. It shall have super-cardioid directional response, with a cone of greatest rejection along 30 ° skirts from the shank. Its bandwidth shall be from 80 Hz to 15 kHz, with a smoothly attenuating response below 150 Hz. The shank shall be constructed from steel, and the grill from woven tempered spring steel, and it shall be finished in fawn beige micromatte. The overall length of the microphone shall not exceed 6.56" (16.7 cm), it widest diameter shall not exceed 1.375" (3.5 cm), and its shank shall be 0.75" (1.9 cm) diameter.

The microphone shall be the Altec Lansing model D645.

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