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SPL-R User’s Manual
Figure 1 shows the connections on the rear panel of the SPL-R.
Following are brief descriptions of the connections described in Figure 1. More detail on these
connections can be found in the next section.
(1) LOW-PASS CROSSOVER
Use this knob to select the high-frequency range at which you wish to cut off the signal to
the subwoofer. When the knob is turned all the way to the left, the Subwoofer Direct feature
is invoked and the subwoofer plays all frequencies up to 200 Hz.
(2) VOLUME Control
This control allows you to balance the output from the subwoofer to the main speakers in
your system. This control should be set to achieve similar volume level from between both
the main speakers and subwoofer. When pressing volume up or down, the speed at which
the power light blinks indicates subwoofer volume - the faster the blinking, the louder the
unit plays. After the volume blinking stops, the unit will blink out the actual volume number.
Slower blinks represent tens, and faster blinks represent ones. So, for example, if the
volume were set at 34, after the rapid blinking stopped you would observe three slow blinks
followed by four faster blinks, indicating a volume of 34.
Note:
Volume is also controllable by using the supplied remote, when defaults are restored.
The default is 30 out of 100.
(3) AUTO ON/OFF Switch
Use this switch to select between auto-on and constant on (auto-on bypass) operation.
(4) LINE INPUT/LFE Input
Connect these jacks to the LINE OUT preamp output, LFE output or subwoofer output jacks
of your receiver/processor. If using the LFE output from your receiver or processor, plug
the single cable into the “L” - LFE input or for more signal, use a “Y” connector and feed the
signal into both “R” and “L” inputs.
(5) LINE OUTPUT
Connect these jacks to the LINE IN amp input to use the SPL-R’s internal high pass
crossover. See below for a more detailed explanation of this crossover.
(6) SPEAKER LEVEL INPUT Terminals
Connect these input terminals to the speaker output terminals of your amplifier or receiver.
If you use this method of connection, when you go to the receiver speaker set up menu,
make sure you select the large speaker option.
(7) Mic Input
Connect the supplied microphone for the Auto EQ feature to this mini-jack.
R ear Panel Connections
