Electro-Voice 619 "Press-To-Talk Dynamic Microphone"

Element: Dynamic

Frequence Response: 70 Hz - 10 Khz

Polar Pattern: Omnidirectional

Impedance: Depending on models, 150 Ohms or High

Output level: -57 dB

EIA Sensitivity rating: -153 dB @ Hi-Z / -151 dB @ Low-Z

Diaphragm: Acoustalloy

Case: Die-Cast zinc

Dimensions: 94/4" H x 4-1/2" W x 4-3/4" D

Finish: TV Gray and satin chrome

Net Weight: 2-1/4 pounds (800g)

Cable: 15 ft., 4-conductors, 2-shielded (Lo Z)

            6-1/2 ft., 3-conductors, 1-shielded, black plastic covered (Hi Z)

Switch: DPDT, long-life switch shorts microphone in 'off' position, operates external relay is 'on'.