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EP125 & EP175 ELECTRICAL
CONNECTIONS
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manual
Step 1:
LINE IN: the RCA line-level female input, second row, accepts a
standard RCA male plug. Connect a shielded coaxial cable, with
male RCA plugs on each end, from the A/V receiver or A/V preamp
processor’s Subwoofer Output jack to the RCA LINE IN female jack
on the EP125 or EP175.
BALANCED XLR LINE IN: if the A/V receiver or A/V preamp-
processor has balanced XLR subwoofer line-out connections,
you may connect a Balanced XLR male connector to the XLR
female input. Otherwise, ignore this connector. Do not use a
combination of RCA and XLR input or output connectors.
Step 1A:
HIGH LEVEL INPUT: Use these “speaker-level” or high-level 5-way
binding post connectors only if your receiver or preamp lacks a
dedicated line-level subwoofer output jack. Connect speaker cables
from your amplifier’s left-channel and right-channel speaker output
binding posts to the high-level inputs using banana plugs (single or
dual), spade connectors, pins, or bare cable if you wish (unscrew
the top of each binding post and insert the cable into the hole in the
post; tighten the knurled knob against the cable). Run a second pair
of speaker cables from these jacks to your main left and right front
speakers. Do not use these connectors if you are already using an
RCA or XLR line-level connection from the receiver or preamp to the
subwoofer. NOTE: BE SURE TO CONNECT BLACK TO BLACK
AND RED TO RED.
Step 2:
LINE OUT (RCA and XLR Balanced):
An RCA line-level (female) output and balanced XLR output (male)
are provided for connection to a second subwoofer. Use a standard
shielded coaxial cable for connection of the RCA Line Out to the
second subwoofer. If you are using balanced XLR connectors,
then use the balanced Line Out for operation of a second EP125
& EP175.
Step 3:
CROSSOVER: if you are using the Bass Management crossover
menu settings in your A/V receiver or processor, turn this control to
120Hz.
If you are using the HIGH LEVEL (Speaker Level) binding-post
inputs, set the crossover to 90 Hz for initial setup (12 o’clock). If
you have floor-standing speakers (M50, M60, or M80), try a 60 Hz
crossover frequency. If your main speakers are bookshelf models
M3 or M22, try the 90 Hz setting. Ultimately you want to use a
crossover frequency that produces the smoothest blend of sound
between the subwoofer and your main speakers.
Step 4:
VOLUME: Set this midway to the 12 o’clock position for initial setup.
You can use this to manually regulate the subwoofer volume at
any time and during your initial setup adjustments with the other
speakers in your stereo or home theater system.
Step 5:
AC VOLTAGE SETTING: Your subwoofer is supplied with a voltage
switch set for use with 100 - 120 volts from the A/C line. The cover
can be easily removed and switched over to set your EP125 or
EP175 to 220 volts from the A/C line.
Once you have made appropriate connections from the A/V receiver
or preamp/processor to the EP125 or EP175 and set the voltage
switch to the proper voltage, find a nearby AC wall outlet and
connect the main power cord to the three-wire socket at the bottom
of the control panel. Move the power switch to the ON setting and
the LED POWER indicator should glow Green. Leave the switch at
the ON setting unless you go away for an extended period. Moving
it to OFF will shut down all power to the subwoofer.
Step 6:
0 & 180 PHASE: This synchronizes the in/out movement of the
subwoofer cone driver with the other speakers in your system. Once
you have chosen the best location for your subwoofer, try flipping
the phase switch between 0 and 180 to see if one or the other setting
produces deeper and smoother bass output in your room. Leave the
switch at the setting that results in the smoothest and deepest bass
at several listening locations in the room. If you hear no difference,
leave the switch at the 0 position. Quite often the phase switch
makes no difference, but it’s dependent on your room and subwoofer
location.
POWER INDICATOR: The LED Power indicator glows Green
when it’s on and Red indicating Standby Mode.
Please Note: The EP125 or EP175 will shut down if heavily over
driven into distortion. To reset, turn the power switch OFF then ON.
NEED HELP TROUBLESHOOTING?
Please feel free to contact us at 1-866-244-8796 or
www.axiomaudio.com/manual_index.html for more information.