Altec Lansing Industrial Professional Sound Products Spec site

ALTEC LANSING INDUSTRIAL PROFESSIONAL SOUND PRODUCTS MICROPHONE LIST

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C649 Condenser Cardioid Microphone

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1597B Passive Monitor Panel

ARCHITECT'S and ENGINEER'S SPECIFICATION

The microphone shall be of the electret condenser type. It shall operate into an impedance of 150 ohms, and have an output at 1 Pa of -45 dBm. It shall have cardioid directional response, and a band-width of 40 Hz to 18 kHz, with a bass enhancement by proximity effect when used within 4" (10.2 cm) of the sound source, and a bass reduction when placed 24" (61 cm) or farther away from the sound source. It shall have a dynamic range of 119 dB, and be capable of accepting signals up to 141 dB-SPL (re: 20 µPa) with 1%) THD or less. The microphone shall be pro-vided from the preamplifier with phantom power of [18 to 50 Vdc], or an in-line power supply shall be provided. The case shall be manufactured of machined steel and finished in fawn beige micromatte. The overall length of the micro-phone shall be 6.94" (17.6 cm), and the maximum diameter shall be 1.06" (2.7 cm), while the shank diameter shall be 0.75" (1.9 cm). -
The microphone shall be the Altec Lansing model C649.



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