Pioneer D-23 Manual de instrucciones - Página 5
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- 1. Electronic Crossover
- 2. Operating Instructions
- 3. Table of Contents
- 4. Features
- 5. 3-Way Amplifier Systems
- 6. Multi-Amplifier Systems
- 7. Connection Diagram
- 8. Connections
- 9. Precautions
- 10. Front Panel Facilities
- 11. Before Operating the
- 12. 4-Way Amplifier Systems
- 13. 2-Way Amplifier Systems
- 14. Characteristics Charts
- 15. Specifications
CONNECTIONS
CONNECTION TO THE PREAMPLIFIER UNIT
1.
Connect the INPUT terminals of D-23 to the
OUTPUT
terminals
Fig.
5),
making sure that left (L) and right
channels are connected correctly. In the D-23,
all upper row terminals are for left channel, and
all lower row terminals are for right.
2. Connect the D-23 power supply cord to the
switched AC outlet on the rear panel of the
preamplifier.
Turn D-23's power switch ON. All consequent
turning ON and OFF of the preamplifier power
supply
switch will thus automatically switch
D-23 ON and OFF.
CONNECTIONS TO POWER AMPLIFIER UNITS
1.
Connect each of the OUTPUT terminals (HIGH,
MID-HIGH, MID-LOW, and LOW) on the rear
panel of D-23 to the INPUT terminals of the
respective stereo power amplifiers (see Fig.
Be sure that left and right channels are con
nected correctly.
2. Now connect the power supply cord of each
power
amplifier
unit
(including the AC outlets on the rear panel of
the preamplifier) whose power output capacity
exceeds the maximum power consumption of
the power amplifier.
Stereo preamp
Stereo
power
amplifiers
Left Right
Tweeters
of
the
preamplifier (see
(R)
5).
to
any
power
socket
I
ifier
Left
Right
Mid-high speakers
PRECAUTIONS
Check that all connections are firm and safe.
•
Loose connections may result in loss of sound,
generation of noise, or damage to the speakers.
When connecting to the speakers, make doubly
•
sure that the speaker's reproduction frequency
range corresponds to the correct output terminal
on the rear panel of the D-23. Incorrect connec
tions could result in damaged speakers.
Besides left and right channels, the power ampli
•
fiers
and
the
connection of the plus (+) and minus(-) polar
ities.
NOTE:
Depending upon
SLOPE
ing polarities can sometimes improve results. For details,
see page
8.
Always wait until all connections have been
•
properly
checked
supply ON.
In order to protect the speakers against possible
•
rupture due to unexpected noise or extraneous
frequencies beyond the speaker's range it is
recommended that a capacitor be inserted be
tween
the
power amplifier and speaker ter
minals. For further details, see the section on
"Protective capacitors for speakers" on page
It
is also recommended that phase differences
•
between
input
stereo
power amplifiers be checked prior to
connecting to the D-23.
INPUT
OUTPUT
HIGH
MID-HIGH MID-LOW LOW
GND
L
L
R
R
Left
Right
Mid-low speakers
speakers
also
require correct
selection, connection of oppos
before
turning
the
and
output
terminals of the
Left
Right
Fig.
Woofers
power
10.
5