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RESPONSE
IN dB
FREQUENCY
IN Hz
16 SUBSONIC FILTER Switch
Superlow-frequency
noise, caused by warped or off-centered records,
forces the moving
structure of a woofer
to work
excessively;
such
abnormal excursion generates distortion.
This filter cuts such superlow-frequency
noise below 16Hz and im-
proves bass response.
17 HIGH FILTER Switch
Set this switch to the 10 kHz position when scratch noise of records or
hiss of recorded tapes is irritating.
e
Do not use this filter unless the high-frequency noise is excessively
annoying.
18 LOUDNESS Switch
The human
ear becomes
insensitive to the lows and highs as sound
volume is reduced. So you may feel a loss of highs and lows (especially
tows) when listening at a low-volume level. The loudness circuit accents
the highs and
lows properly
to render the reproduced
sound
more
realistic. Setting the
LOUDNESS
switch to the ON position accents
both the highs and lows.
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