Blaupunkt Acapulco MP54 - Manual (Page 39)

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Help adjusting the equalizer
Sound Impression / problem
Bass sound is too weak
Dirty bass
Booming sound
Unpleasant pressure
Sound very much in the foreground,
aggressive, no stereo effect.
Dull sound
Little clarity
No brilliance to the instruments
Measures
Increase bass with
Frequency: 32 to 160 Hz
Gain: +4 to +6 dB
Reduce the lower mid level with
Frequency: 400 Hz
Gain: approx. -4 dB
Reduce the mid level with
Frequency: 1,000 to 2,500 Hz
Gain: -4 to -6 dB
Boost the treble range with
Frequency: 6,300 to 10,000 Hz
Gain: +2 to +4 dB
EQUALIZER