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 microprocessor invented by Faggin, Hoff and Mazor.
1972 The first video game "Pong" is released by Atari.
1973 IBM released the 8" floppy drive, and the first permanent storage with its first "Hard Drive"
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