BBC MX/29 Outside Broadcast Mixer for OBA/9 Amplifier
- Materials:
- aluminium alloy , plastic (unidentified) and electronic components
- Object Number:
- 2012-5118/20/1
- type:
- outside broadcast mixer
BBC OBA/9 Outside Broadcasting unit and associated equipment
- Made:
- 1952
BBC MX/29 passive mixer, 1952, for use with the OBA/9 outside broadcast amplifer. Four-channel unit with variable impendance balanced series faders. For each channel there are two input jacks; one for a ribbon microphone (connects straight to fader) and the other for a moving coil microphone (connects to fader using a 30/300 ohm transformer).
Part of a complete OBA/9 trolley (TRL/1) comprising 6 units, including cable. Note the serial numbers of the units - most of this rack comprises the units used in the original BBC service trial (two sets were used). OBA/9 units were still being used well into the late 1980s.
Details
- Category:
- Television
- Collection:
- BBC Heritage Collection
- Object Number:
- 2012-5118/20
- type:
- outside broadcast mixer
Parts
BBC SUP/6 Power Supply for OBA/9 Amplifier
- Materials:
- aluminium alloy , plastic (unidentified) and electronic components
- Object Number:
- 2012-5118/20/2
- type:
- power supply
BBC OBA/9 Outside Broadcast Amplifier
- Materials:
- aluminium alloy , plastic (unidentified) and electronic components
- Object Number:
- 2012-5118/20/3
- type:
- amplifier
BBC OBA/9 Outside Broadcast Amplifier
- Materials:
- aluminium alloy , plastic (unidentified) and electronic components
- Object Number:
- 2012-5118/20/4
- type:
- amplifier
BBC LSM/9 Loudspeaker Amplifier for OBA/9
- Materials:
- aluminium alloy , plastic (unidentified) and electronic components
- Object Number:
- 2012-5118/20/5
- type:
- amplifier
BBC DU/1 Distribution Unit for OBA/9 Outside Broadcast Amplifier
- Materials:
- aluminium alloy , plastic (unidentified) and electronic components
- Object Number:
- 2012-5118/20/6
OBA/9 Trolley (TRL/1)
Reel of Siemens Cable
- Materials:
- wood composites , plastic (unidentified) and metal (unknown)
- Object Number:
- 2012-5118/20/8
- type:
- cable
