5
F E ATURES
1 Bass Driver
The Basis 300 and ICS 300 use a 10-inch (254mm)
custom-built long-throw driver with a treated paper cone
and a die-cast aluminum chassis.
2 Handmade Cabinets
Snell cabinets are hand-assembled with exceptional
workmanship to ensure sharp corners and smooth sides.
The wood veneers of the Basis 300 are hand sanded
several times before the final finish is applied. Even the
black finish of the ICS 300 is applied with uncompromis
-
ing attention to detail.
3 Bass Reflex Ports
Provide maximum extended bass response. The ports in
each model are specifically tuned to provide the best
possible performance with the driver, cabinet and likely
placement.
4 Bass Level Control
The Bass Level control adjusts the output level of the
subwoofer. It is located for easy access to make it easy
to achieve the correct balance between the subwoofer
and the main speakers. A typical setting for the control
is around the 12 o’clock position.
5 Low Level Inputs
Use this input when your system has preamp outs and
amplifier inputs.
6 Sub Input and Output
If your preamp, sound processor or receiver has a low
level subwoofer output, you can use the Sub Input. This
input bypasses the amplifier’s adjustable low pass filter.
In some cases the crossover frequency of the external
electronics may not be adjustable and may not produce
the best subwoofer-to-main speaker transition. In such
cases it is better to use a full-range low level input from
the source electronics and let the ICS 300 or Basis 300
control the crossover.
7 Low Level High Pass Outputs
These outputs provide the signal that goes to the power
amplifier that drives the main speakers in the system.
The signal from these outputs is high pass filtered to
remove bass sound below the frequency set by the
Crossover Frequency control.
8 Crossover Frequency Control
This control sets the frequency of the low-pass filter,
and is fully adjustable from 40 to 180Hz. Bass sound
below the frequency set by the control are directed to
the Basis 300/ ICS Sub 300 amplifier and speaker. The
sound above the frequency set by the control go to the
High Pass Output
9 Speaker Level Inputs
The Basis 300/ICS Sub 300 also have high-level inputs
that can be used when preamp outputs/power amp
inputs are not available. The speaker output wires are
attached to a special connector which is then plugged
into the back of the amplifier.
0 Phase Switch
Determines whether the subwoofer adds or cancels in
the crossover region. The proper setting changes based
upon the current location of the speaker. Use the setting
that produces the most smoothest, most sound through
the crossover region.
- Power Mode
This switch controls the automatic power function. When
the switch is set to Standby, the amplifier will power up
when it senses an input signal. If no input signal is present,
the amplifier switches to low power standby mode after
8-10 minutes. When the switch is in the On position the
automatic power on/standby feature is disabled and the
amplifier is always on.
= Power Mode Indicator Light
This LED lights green when the amplifier is on, and orange
when it is in standby mode. If the LED is red it indicates
the amplifier in protection mode.
q Power Switch
This switch turns the power to the subwoofer on and
off. Usually the only time the main power switch should
be turned off is when the subwoofer will not be used for
an extended period of time, such as when you are away
on a vacation.
Warning: To reduce the risk of electric shock, always
switch off the subwoofer and the amplifier and or
receiver when making connections to the subwoofer and
speakers.
w Power Input Connector
Plug the power cord into this connector and the wall
power outlet.
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