EarthQuake Supernova MKIV-12 Panduan Pengguna - Halaman 5
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Halaman Cetak
Low Pass Filter
5
12dB/Octave variable filter from 40Hz to 180Hz
designed to control the sub's cut off frequency.
Volume Control
6
Manual adjustment of the subwoofer's sound
level. Always start at MIN position and slowly
increase the volume to reach the desired
subwoofer sound level.
LED Power Indicator
7
This LED reflects the power status of the whole
unit and the state of amplifier. Note that this LED
will only light up when the main power switch is in
the ON position.
POWER
Is there signal?
ON
AUTO
OFF
Main Power Switch
8
This switch controls the AC power going to the
amplifier.
AC Selector
9
The Supernova MKIV can operates in 115V or
230V environment. Simply slide the selector to the
required power input setting.
10
AC Power Connector
This AC line connector is fused to protect the
amplifier from unwanted power surges. Be sure to
use the proper fuse rating when replacing the
existing fuse.
Fuse Compartment
11
For your convenience, extra
fuses are provided inside this
compartment. To access these
extra fuses, simply unplug the
p o w e r c a b l e f r o m t h e
subwoofer, place a flat-head
screw driver in the small notch
and pry it open as illustrated.
FOR YOUR SAFETY, PLEASE MAKE SURE
THAT THE SUBWOOFER IS NOT CONNECTED
TO ANY POWER SOURCE PRIOR TO
ACCESSING THE AC SELECTOR AND/OR
FUSE COMPARTMENT.
www.earthquakesound.com
SUPERNOVA MKIV USER'S MANUAL
LED Color
Yes
Blue
No
Blue
Yes
Blue
No
Red
Yes
Red
No
Red
SUBWOOFER CONNECTIONS
High Level (Speaker) Connection
For the best performance, you might consider RCA
connection if it is available on your source. If not,
then high level input will do.
1. Since bass is mono, you can connect the high
level input of any of the front speakers to your
MKIV. For ease of wiring, pick the speaker that
is closest to the subwoofer. Simply piggy back a
wire from the speaker to the subwoofer and
you're up and running. Note: The high level
input for satellite speakers is fitted with a high
pass filter (70Hz). It is only powered when the
main or front speaker signals are driven into the
HIGH LEVEL INPUT. These terminals are
marked with red and black to indicate the (+) &
(-) respectively.
2. Adjust the subwoofer low pass filter cut off to
near 100Hz at first, slowly bring down the
crossing point until you eliminate any
emanating vocals from the subwoofer. An ideal
crossing pint range from 55 to 70Hz.
3. In case the MKIV becomes out of phase with the
satellite speaker, flip the phase switch to
correct the problem (maximum bass is only
achieved when the sub is in phase with rest of
your speakers).
RECEIVER / AMPLIFIER SPEAKER OUTPUT
R. SPKR
+ -
+ _
FRONT RIGHT SPEAKER
CENTER
L. SPKR
+ -
+ -
MKIV HIGH LEVEL
(SPEAKER)
CONNECTION
+ _
FRONT LEFT SPEAKER
5