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Ariel Cabello

Bang & Olufsen Beomic BM3 with box, stand and cable.

Designed by Erik Rørbæk Madsen in 1962

A fantastic looking microphone, tested and working.

Unique collector's item for a real B&O fan

Info from Beoworld: 

Features: No resonance peaks. Extremely smooth response. Bi-Directional – no side pickup. No frequency discrimination, front to back. High efficiency Nu-Metal transformer placed in microphone housing. Switch for muting and voice/music conditions. The miniature non-corrosive duraluminium ribbon was only 0.0001″ thick and its weight only 1.3 mg. This negligible mass prevented any resonance within the audio range. Shock and blast proof. Ball swivel for tilting to any position.

Specifications: Dimensions 195mm high, 30mm diameter
Impedance, switchable 50 ohms, 250 ohms and 40 Kohms balanced
Response M position: 20-11000 c/s +/- 2,5 dB
T position: 10 dB lower at 100 c/s
Sensitivity M position, 50 ohms: 88 dB below 1V/µbar
M position, 250 ohms: 81 dB below 1V/µbar
M position, 40 Kohms: 60 dB below 1V/µbar
T position, 4 dB lower

Response Frequency Characteristic:
M (Music) Position: From 20 till 11,000 c/s +/- 3 dB
T (Close Talk) Position (8-16″) Rolled off below 100 c/s: 12 dB
RTMA Microphone Rating GM (sensitivity): -158dB; Hum Sensitivity (RTMA) GH: -145 dB. RTMA Standard SE – 105. BM 3. Open Circuit Voltage Level: -88 dB, OdB = 1 Volt per Microbar
Output Impedance: Nominal 80 ohms
Rating Impedance: 150 ohms
BM 4. Open Circuit Voltage Level:
“L”-Position: -88 dB
“M—Position: -81dB
“H”-Position: -60 dB
OdB = 1 Volt per Microbar
Output Impedance:
“L”-Position:
Nominal at 1000 c/s; 100 ohms
Rating Impedance: 150 ohms
“M”-Position:
Nominal at 1000 c/s; 450 ohms
“H” position: 
Nominal at 1000 c/s; 60 k ohms
Rating impedance: 40 k ohms
Size: 7,75″ x 1 3/16″
Weight: 15 ozs approx.
Cable: supplied with 20 feet twin cond. shld.
Transformer type: 8016-JS for matching BM3 to a high impedance amplifier input available on special order
mounting: Bayonette detach to 5/8″ x 27 thread

Good - Number of items: 1 - Including: Ribbon microphone - + Extra item (see description)

Bang & Olufsen - BeoMic BM 3 Ribbon microphone

Audio Equipment

Reserve price

No reserve price

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today

Thursday

Wednesday

Tuesday

tomorrow

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Saturday

Location

The Netherlands

Italy

Belgium

France

Germany

Spain

Portugal

Romania

Poland

Hungary

Denmark

Austria

Japan

Greece

Luxembourg

Croatia

Slovak Republic

Switzerland

Estonia

Finland

United Kingdom

Hong Kong

Latvia

Malta

Brand

Sony

Bang & Olufsen

Technics

Pioneer

Philips

Marantz

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Akai

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Object

Speaker set

CD player

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Solid state stereo receiver

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Turntable

Solid state integrated amplifier

Solid state multi-channel receiver

Audio-cassette deck

Cassette recorder-player

Tuner

Radio

Subwoofer speaker set

Tube radio

Speaker

Stereo set

Audio amplifier

Audio component

Solid state amplifier

Minidisc deck

Reel to reel deck 18 cm

Solid state stereo amplifier

Headphone

Equalizer

Preamplifier

Country of origin

Netherlands

Europe

Material

Aluminium

Metal

Silver

Steel

Wood

Condition

Good

Very good

Excellent

Mint

Various conditions

Very Good Plus (VG+)

Excellent (EX)

Excellent condition: barely used with minimal signs of wear

Good condition - used with small signs of ageing

As new - unused

Mint (M)

Mint & Sealed (M&S)

Near Mint (NM)

Fair & Poor

Extras

No extra's

Power cord

Remote control

+ Extra item (see description)

Original user manual

Refurbished

Power Adapter

Power supply

No cables

Brochures

Case

Anti-pop Filter

Flight Case

Microphone Shock Mount

Period

2010-2020

2000-2010

1960-1970

1990-2000

2020+

1980-1990

2024

Style

Industrial

Design

Industrial design

Maximalist

Contemporary

Colour

Tested and working

Tested and working/playable

Not tested

1900-2000

After 2000

1400-1900

Record Label

Various labels

Qualification

Original/official

Reproduction/replica

Creator

Marco Zanuso

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Sony  – Hi-Fi-Lautsprecher (Paar) – Lautsprechersystem - SS-A209 Speaker

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Erres - six thousand six hundred ninety-three Solid state stereo receiver

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Sony - MDS-JE520 Minidisc deck

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Pioneer - S-11 Subwoofer speaker set

Good - Number of items: 4 - Including: Reel to reel audio - No extra's

Revox - 26 cm Plastic Reels with tape  - Reel to reel audio

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Dual - CS 515 Record player

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Telefunken – DAB+/UKW Stereoanlage – CD-Player - MC2000D Solid state stereo amplifier

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Bose - Lifestyle 30 Series II powered Acoustimass Set of audio equipment - Multiple models

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Bang & Olufsen - BeoMic BM 3 Ribbon microphone

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