Altec

689BX

Microphone

Main Details
Maker Altec Brand Altec Lansing Brand Altec Lansing Corporation Company LTV Ling Altec, Inc. Company Ling-Temco-Vought, Inc Company
Function
Form Factor Stand Mounted
Signal Path Passive Hardware
Made In United States
Date Produced 1966
Dimensions
(H × W × D)
Weight 0.7lbs
Frequency Response 40Hz-16kHz
Notes Special equalized and matched pair of 689B for sound systems using the Boner Process for stereo recording.
Additional Specifications
Element Type Moving Coil Dynamic
Diaphragm Mylar
Directivity Pattern Cardioid
Discrimination (Front-to-Back) 20dB
Output Impedance 150/250Ω
Output Level -54dBm/10dynes/cm²
Hum (Ref.: 10⁻³ Gauss) -120dB
Finish Black and Dark Green

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