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Production: Obsolete
Hire stock: No
New stock: No
Used stock: Yes
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Specifications:
Frequency Response: 40 - 15kHz
Polar Pattern: Omnidirectional
Impedance: 150Ω nominal (balanced)
Output: -57dB (0dB=1mW/10 dynes/cm
EIA Sensitivity: -148dB
Operating voltage: 1.1 - 1.8VDC
Current: 150A
Battery life: >1000 hours
Capsule case material: Brass
Battery/transformer housing: Steel
Electronics housing: Aluminium
Cable length: 1.8m

EV original Datasheet

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Electrovoice CO90 omni-directional lavalier microphone

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