Concord DBA-10
Dolby B NR

The Concord DBA-10 is a noise reduction system with Dolby B noise reduction, it was introduced by Concord in 1971 with a list price of USD $100 and discontinued 3 years later in 1974.

The DBA-10 is equipped with.

Level meters used on the Concord DBA-10 noise reduction system are analog needle VU reading meters.

The Dolby-B system reduces tape hiss on tapes recorded on the Concord DBA-10 by as much as 10 dB at the highest frequencies. To further maintain recording accuracy, the DBA-10 incorporates a switchable multiplex filter. When you record FM stereo broadcasts, the MPX filter of the DBA-10 can be swiched on to prevent the standard 19kHz FM pilot signal from interfering with the noise reduction system.

Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.

Historic events

1971 The liquid-crystal display (LCD) invented by James Fergason
1972 Philips introduced the VCR ('Video Cassette Recording') videocassette format.
1973 TDK introduced a replacement for chromium dioxide and named it Avilyn.
1974 DuPont introduces chromium dioxide (CrO2) cassette tape.

Features of Concord DBA-10

Calibration
Calibration
400Hz Test Tone
Connectors
Connectivity
RCA Input/Output Connectors
Display
Display
Analog Needle Meters
Noise Resuction
Noise Reduction
Dolby-B Noise Reduction MPX Filter
Preamplifier
Preamplifier
Individual Input Level Controls Individual Output Level Controls

Similar to Concord DBA-10 from the period 1971 - 1974