EV ELECTROVOICE 667A RARE VINTAGE CARDIOID DYNAMIC MICROPHONE W/SHOCK MT

Electro-Voice

$ 499.00 
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This vintage Electro-voice 667A dynamic microphone looks very good and works perfectly
with original cable terminating to XLR connector and shock mount, no case or manual
From the original manufacturer's description:
    The Electro-Voice Model 667A is a dynamic cardioid microphone designed for boom mount­ing in broadcasting and recording. Not simply an improvisation on existing equipment, the 667A has been created specifically to overcome the problems encountered in boom applica­tions. A specially designed shock mount provides effective isolation from mechanical noise, and the integral Acoustifoam™ windscreen virtually eliminates noise caused by motion of the microphone through the air. Unusually light in weight, the 667A is easily maneuverable. The shock isolation and windscreen systems are readily removable for service or replace­ment. Very low sensitivity to induced hum permits use close to lights, AC lines, etc.

    An outstanding feature of the 667A is the self-contained computer-type programming board which permits a total of six different frequency response curves. The programming panel is part of a versatile passive equalizer which is completely self-contained; no external equip­ment or special connecting cables are required. The variations from flat response, thus made available, permit the 667A to overcome acoustical problems and background noise, make pos­si­ble special effects, and enable its use mixed with existing microphones of differing responses.

    The use of Continuously Variable-D, a highly developed version of the patented Electro-Voice Variable-D® principle, makes possible extremely uniform rejection of unwanted background noise. The rejection pattern is unusually symmetrical in all planes. The CV-D principle, as employed in the 667A, uses a matched pair of slotted tubes coupled to the back of the diaphragm. The acoustic length of the tubes varies inversely with sound frequency, permitting them to phase out unwanted sound from all portions of the audible spectrum for maximum front-to-back ratio. The microphone’s single moving element is a diaphragm of Electro-Voice Acoustalloy® which is impervious to effects of temperature, humidity, and shock. CV-D permits optimum diaphragm damping, impossible with less sophisticated designs, for absolute minimum wind and mechanical noise pickup and proximity effect.

Specifications

    Generating Element: Dynamic

    Frequency Response: Uniform 40 to 10,000 Hz

    Polar Pattern: Cardioid

    Impedance: 50, 150, 250 ohms, selected at rear of case by moving one pin

    Output Level: –51 dB on 250 or 150 ohm tap, –52 dB on 50 ohm tap

    Hum Pickup Level: –121 dBm (Reference .001 gauss field)

    Diaphragm: Electro-Voice Acoustalloy

    Finish: Non-reflecting gray

    Cable Connector: 3 pin male XLR

    Net Weight: 1 lb., 8 oz. (.68kg) less cable

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