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General| Brand | Electro-Voice |
|---|---|
| Model | 664 |
| Category | Microphone |
| Language | English |
Specifies the dynamic generating element used in the microphone.
Details the uniform frequency range covered by the microphone.
Describes the available 150-ohm and high impedance options.
Provides sensitivity ratings for both impedance settings.
Defines the cardioid polar pattern and front-to-back discrimination.
Highlights the Electro-Voice Acoustalloy diaphragm.
Details the pressure-cast zinc case and available finishes.
Specifies the microphone's physical dimensions and net weight.
Details the 15-foot, two-conductor, shielded broadcast-type cable.
Specifies the 5/8 in. -27 thread stand coupler.
Lists available accessories like the Model 419 desk stand.
Illustrates the internal wiring for microphone connections.
Explains how to change impedance using the E-V Quick-Change Connector.
Provides step-by-step instructions for modifying the microphone for relay control.
Details pin connections for impedance selection and conductor placement.
Guides on reassembling the connector shell and alignment.
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