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Pioneer D-23 取扱説明書
3-WAY AMPLIFIER
SYSTEMS
3-way amplifier systems can be formed in different
ways, depending on how the slope selector controls
are
used.
The most
depend on the individual characteristics of the
different speakers available. Operation of these
3-way systems is the same as described under
"Operational Procedure".
NOTE:
Except where otherwise designated,
controls must NOT be set to the FLAT positions. Failure
to comply with this stipulation may result in damage to
the speakers.
Mid-high
H
Input
Mid-low
Mid -lOW
���
HP
��
or
LP
control
FLAT
Slope
selector
control
FLAT
Low LP
SELECTION OF CROSSOVER FREQUENCIES
BETWEEN LOW AND LOW MID-RANGE FRE­
QUENCIES
(63Hz-630Hz)
HIGH MID-RANGE AND HIGH FREQUENCIES
(1.6kHz-16kHz)
(Connections to LOW, MID-HIGH, and HIGH Out­
put Terminals)
Connect the stereo power amplifiers to the LOW,
MID-HIGH, and HIGH output terminals, as shown
in
Fig.
18,
and then connect the
speakers to each amplifier. After considering the
combined characteristics of each speaker combi­
nation, select suitable crossover frequencies and
slopes by means of the frequency selector and slope
selector controls (LOW LP, MID-LOW HP, MID­
HIGH LP, HIGH HP).
The MID-HIGH HP slope selector control must be
set to the FLAT position in this case.
suitable composition will
the slope selector
High
High HP
s1 o o•
Level
��;;f(g1 '
output
Mid-high
Mid-high
p
�
!?fc;
LP
��ffc'i or
or
output
control
control
FLAT
Mid-low
Slope
selector
output
control
FLAT
Low
output
Fig. 17
AND
BETWEEN
appropriate
Stereo power amp I ifier
Input
Output
High
Mid-High
Low
63Hz-630Hz
MID-HIGH HP Slope Selector Control Set to FLAT position
SELECTION OF CROSSOVER FREQUENCIES
BETWEEN LOW AND LOW MID-RANGE FRE­
QUENCIES (63Hz-630Hz) AND BETWEEN LOW
MID-RANGE
AND
HIGH
QUENCIES (320Hz-3.2kHz)
(Connections to LOW, MID-LOW, and MID-HIGH
Output Terminals)
Connect stereo power amplifiers to the LOW, MID­
LOW, and MID-HIGH output terminals, as shown
in Fig. 20, and then connect appropriate speakers
to each of the amplifiers. After considering the
characteristics of each speaker combination, select
suitable crossover frequencies and slopes by means
of the frequency selector and slope selector con­
trols (LOW LP, MID-LOW HP, MID-LOW LP, MID­
HIGH HP).
The MID-HIGH LP slope selector control must be
set to the FLAT position in this case.
Stereo power amplifier
Input
Out put
Mid-High
Mid-Low
Low
63Hz� 630Hz
320Hz-3.2kHz
MID-HIGH LP slope control set to FLAT position
Tweeter
Mid-range
speaker
Woofer
Fig. 18
1.6kHz�l6kHz
Fig. 19
MID-RANGE
FRE­
Tweeter
Mid-range
speaker
Woofer
Fig. 20
Fig. 21