Super cool vintage Shure mic. We did plug it in and get sound, still selling as is because it does need a thoroughly cleaning.
Element Type: Piezoelectric crystal element (using a Moisture-Sealed "Barium Titanate" or Rochelle salt crystal structure depending on the production era).
Polar Pattern: Supercardioid (unidirectional pickup with significant attenuation at the sides and rear to reduce feedback).
Frequency Response: 60 Hz to 10,000 Hz, optimized for speech clarity and mid-range focus.
Output Impedance: High impedance (High-Z), designed to plug directly into vintage high-impedance tube amplifiers or dedicated high-Z inputs.
Housing Design: Die-cast zinc alloy casing finished in satin chrome, featuring a distinctive rectangular waffle-style front grille.