Beyerdynamic M130

According to Recording Hacks Website, the M130 was first introduced in 1962. It is still in production today. Early versions have a nickel plated body whereas the current production model is black.

Manufacturer's technical description taken from a 1965 brochure:

Dynamic double ribbon microphone designed for studio use. Bi-directional characteristics suppress sound reflections and undesired noise. An ideal microphone for use in small rooms with reflecting surfaces close to the microphone.

PRICE: $160.00

Specifications:

• Frequency response: 40 – 18000 cps
• Output level at 1 kc: 0 dbm = 1 mw per 10 ubar; 0.09 mv/ubar (–58 dbm)
• Polar pattern: bidirectional
• Output impedance: 200 ohms
• Connections: Supplied with connector microphone socket MAK-3100S without cables.
• Dimensions: 4.75" × 0.9"; head 1.5"

A look inside the M130 microphone at the Xaudia website.

Beyerdynamic M130 data sheet.

Beyerdynamic M130 leaflet.

A review of the M130 and M160 at Tape Op magazine.