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General| Type | Dynamic |
|---|---|
| Polar Pattern | Omnidirectional |
| Impedance | 150 ohms |
| Connector | 3-pin XLR |
| Sensitivity | -56 dB |
Hand-held dynamic microphone for high articulation speech transmission in high ambient noise.
Compact two-stage transistor amplifier operates uniformly from -40°F to +158°F, with adjustable output.
Details Type, Frequency Response, Impedance, and Polar Pattern of the microphone.
Covers output level, amplifier gain, maximum undistorted output, dimensions, and weight.
Includes rated supply voltage, current drain, temperature range, and FAA approval.
Step-by-step guide for disassembling the microphone case, head, and amplifier subassembly.
Instructions for inspecting wires, switch contacts, and testing the head and switch.
Guidance on replacing defective parts and reassembling the unit.
18-month guarantee against defects in workmanship and materials.
Contact details for Electro-Voice service and repair department.
List of all available spare parts with item numbers, part numbers, and descriptions.
The main part number for the 603A model is 535708-428.
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