NIB / NOS Bang & Olufsen BM5 Ribbon Mic Beomic 5

Description

For sale is one NOS
BANG & OLUFSEN * B&O BM 5 # MONO RIBBON MICROPHONE
The microphone is like new and in very good condition and fully tested.
Note that the switches
Are
intakt
and working
As with all vintage ribbon microphones the mic need more input gain compared to modern types.
Cosmetically the microphone is in very good condition taken the age into account
See the pictures for reference
BeoMic BM5 Microphone Product Specifications
Response Frequency Characteristic: "M" (Music) Position: from 20 to 13,000 c/s +/- 3 dB. "T" (Close talk) Position (8-16"): rolled off below 1000 c/s at 100 c/s; +/- 10 dB
Open Circuit Voltage Level: - 87 dB. OdB =1 Volt per Microbar
RTMA Microphone Rating Gm: (sensitivity): - 159 dB. RTMA Standard SE - 105
Hum Sensitivity (RTMA) Gh -153 dB
Output Impedance: Nominal at 1000 c/s: 150 Ohms
Rating Impedance: 150 Ohms
Size: 10 3/8" x 1 3/16"
Weight: 15 ozs. approx
Cable: Supplied with 20 feet 4-core over all screened.
Transformer, type 9398 - JS for matching BM5 to a high impedance input of a stereo amplifier available on special request. Mounting: Conical Friction Socket to 5/8" x 27 thread
Specifications: Dimensions 263mm high, 27mm diameter
Hum sensitivity -146 dB
Impedance 200 ohms
Response 30-13000 c/s +/- 2,5 dB
Sensitivity M position,85 dB below 1V/µbar
T position: 4 dB lower