Midland 22-211

This Japanese dynamic microphone was very much inspired by the classic EV 664. It features an on-off switch. The output impedance of either 600 ohms or hi-Z can be selected by changing the orientation of the 4 pin connector.

Similar microphones were also sold branded as Arista, Aiwa and Calrad.

• High impedance: 50,000 ohms; Low impedance: 600 ohms
• Response from 40 to 15, 000 hz. Fine for voice or music 
• Sensitivity: -52 db at 1,000 Hz
• With on-off switch.
• Highly directional with low pickup from side or rear due to fine pear-shaped pickup pattern.
• Brushed metal finish. Fitted with 20 foot cord
• $12.95

A similar microphone appears as model DM-21 in the McGee Radio Company catalogue of 1967, along with a wide selection of other imported Japanese microphones.