B - GRADE Astatic 878DM Desk Top Microphone (SEE DESCRIPTION)

B - Grade (Slight mark on the casing)

The Astatic AST-878DM is Omni Directional Ceramic Desk Microphone offering a rugged Cycolac housing for Industrial and Commercial applications.

The microphone switching is accomplished with a simple "Push to Talk" button with locking capabilities. The volume can be adjusted with a potentiometer, located under the microphone's base.

This microphone is designed to take normal abuse and retain its performance just as all Astatic microphones.

Technical Specifications:

• Type: Transistorized Ceramic
• Output Level: -44dB below 1v per microbar at 1KHz into 1 Megohm load
• Output Adjustment: Approx 40dB range
• Impedance: 5000 OHMS Max
• Polar Pattern: Omni Directional
• Switch Control: Push to Talk
• Cable: 2ft with four pin connector
• Weight: 550gm
• Finish: Durable molded Cycolac in Black with Die Cast base
• Power: 9V battery (Not included) or regulated power supply (Not included)
4 Pin Connection with Uniden wiring