PHONO
Phono
}~Enable
`Disable
There are three options when Phono input is enabled – Level trim, Type and
Infrasonic Filter.
NOTE
The optional NAD DD AP-1 (Direct Digital Analog Phono) module must
be installed for “Phono” source to be functional. Otherwise, “Phono”
source will not be available from the Source Setup menu selection.
LEVEL TRIM
Adjust the input signal level from -20dB to 0dB to accommodate a wide
range of cartridge brands and models. Adjust the loudness of the Phono
input to the same level as the other inputs.
Phono
}Level Trim
Type
Infrasonic Filter
Phono
Level Trim 0dB
IMPORTANT NOTICE
If LEVEL TRIM will be set to FIXED level, adjust rst to MINIMUM level the
volume control of the amplier where the C390DD is connected. This
will prevent the amplier from starting at a high volume level when the
amplier is set to the Source input where the C390DD is connected.
TYPE
Select MM (Moving Magnet) or MC (Moving Coil) depending upon the
Phono cartridge type being used. This feature matches the impedance of
the Phono input to the cartridge type.
Type
}~MM
`MC
MC: Select for Moving Coil Phono cartridge.
MM: Select for Moving Magnet Phono cartridge.
INFRASONIC FILTER
The output from a record player contains strong but inaudible signals at
infrasonic frequencies (below 10Hz) caused by disc warps, stylus/tone arm
resonance and vibrations reaching the turntable. If these non-musical
signals are amplied at full strength, they may waste amplier power
and produce excessive woofer cone motion, muddying the sound. The
infrasonic lter attenuates this unwanted contamination.
Infrasonic Filter
}~On
`Off
On: Select if your loudspeaker is of the type with “vented” cabinets (i.e.
bass reex, ported and auxiliary bass radiator designs). These types are
especially susceptible to being overdriven by infrasonic signals.
O: Select to bypass infrasonic lter.
OPERATION
USING THE C 390DD
20
ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ
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General
Weight and Dimensions
