PRS-X720,X320,X220
51
8. OPERATIONS AND SPECIFICATIONS
8.1 OPERATIONS
Setting the Unit
Gain Control
If the sound level is too low
, even when
the volume of the car stereo used along
with this power amplifier is turned up,
turn gain control on the back of the
power amplifier clockwise. If the sound
distorts when the volume is turned up,
turn the gain control counter
-clockwise.
•
W
hen using with an RCA
equipped car
stereo (standard output of 500 mV), set to
the NORMAL
position.
When using with
an RCA
equipped Pioneer car stereo with
max. output of 4
V
or more, adjust level to
match the car stereo ouput level.
Power Indicator
The power indicator lights when the
power is switched on.
Bass Boost Level Control
Bass boost level control can boost the
level around the frequency selected by
the bass boost frequency control from 0
to 18 dB.
Cut Off Frequency Control
If the LPF/HPF select switch is set to
LPF (or HPF), you can select a cut of
f
frequency from 50 to 120 Hz.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set the LPF/HPF select switch as follows according to the type of speak-
er that is connected to the speaker output connector and the car stereo
system:
LPF/HPF
Select
Audio fr
equency range
Speaker
Remarks
Switch
to be output
T
ype
LPF
(left)
*
— 50 to 120 Hz
Sub-woofer
Connect a sub-woofer
.
OFF
(center)
Full range
Full range
HPF (right)
* 50 to 120 Hz —
Full range
Use if you want to cut the
very-low-frequency range*
because it is not necessary
for the speakers you are
using.
*
See the “Cut Of
f Frequency Control” section.
Bass Boost Frequency Control
(PRS-X720 and PRS-X320)
Y
ou can select a bass boost frequency
from 40 to 120 Hz with the bass boost
control.
•
B
ass Boost Level Control and Bass Boost
Frequency Control can be adjusted only
when the LPF/HPF select switch is set to a
position other than HPF
.
Subsonic Select Switch
(PRS-X720 and PRS-X320)
The subsonic filter cuts inaudible fre-
quencies below 15 Hz to eliminate
unwanted vibrations and minimize
power loss.
Summary of Contents for PRS-X220
Page 4: ...4 PRS X720 X320 X220 2 2 EXTERIOR PRS X720 X1R UC ...
Page 6: ...6 PRS X720 X320 X220 2 3 EXTERIOR PRS X320 X1R UC ...
Page 8: ...8 PRS X720 X320 X220 2 4 EXTERIOR PRS X220 X1R UC ...
Page 12: ...12 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A A a A a A b A ...
Page 13: ...PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 13 1 1 2 3 2 3 A a A a A b ...
Page 15: ...PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 15 94 4981 94 4981 94 4981 A b A a A b ...
Page 18: ...18 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A A a A a A b A ...
Page 19: ...19 PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 1 2 3 1 2 3 A a A a A b ...
Page 21: ...21 PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 94 4981 94 4981 A b A a A b ...
Page 23: ...PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 94 4980 94 4980 94 4981 94 4981 A b 23 A ...
Page 24: ...24 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A A a A a A b A ...
Page 25: ...25 PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 2 1 2 3 1 3 A a A a A b ...
Page 26: ...26 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A 94 4980 94 4980 94 4981 94 4981 A a A b A b ...
Page 27: ...27 PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 94 4981 A b A a A b ...
Page 30: ...30 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A A A AMP UNIT ...
Page 31: ...31 PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A A SIDE B ...
Page 34: ...34 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A A A AMP UNIT ...
Page 35: ...PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A 35 A SIDE B ...
Page 38: ...38 PRS X720 X320 X220 1 2 3 4 1 2 3 4 D C B A A A AMP UNIT ...
Page 39: ...39 PRS X720 X320 X220 5 6 7 8 5 6 7 8 D C B A A SIDE B ...
