Assistance In Setting Your Equaliser - Blaupunkt LONDON RDM 169 Operating Instructions Manual

Setting the equaliser

Assistance in setting your equaliser

Start to make your settings in the mid-range/treble and end it with the bass range.
Frequency range
Bass
30 – 100 Hz
Lower mid-range
100 – 400 Hz
Mid-range sound
400 – 4 000 Hz
Treble
4 000 – 20 000 Hz
Sound impression/problem
Bass reproduction too weak
Unclear bass
Playback reverberates
Unpleasant pressure on the
ears
Sound appears to be too much in
the foreground, very aggressive,
no stereo effect
Lifeless reproduction
Lack of transparency
Instruments do not sparkle
What to do
Boost the bass with
the "LOW" filter
Frequency: 50 to 100 Hz
Level: +4 to +6 dB
Reduce the lower mid-range
with the "LOW" filter
Frequency: 125 to 400 Hz
Pegel: approx. -4 dB
Reduce the mid-range with
"HIGH" filter
Frequency: 1 000 to 2 500 Hz
Level: -4 to -6 dB
Boost treble range
with "HIGH" filter
Frequency: approx. 10 kHz
Level: +2 to +4 dB
Notes
Avoid distortion.
Boost the level carefully if the
speaker diameter is too small.
The tone may become too lean
and aggressive.
Pay attention to the
underlying tone of the music.
Playback should not
be too quiet.
Tone too powerless.
Avoid a piercing type of tone.
Strong hissing sound unpleas-
ant.
85