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Input Sections
RCA CONNECTORS- The Q Amplifiers use differential low level RCA type inputs, 2
channel and Mono models have one set of L/R inputs and one set of full range L/R outputs.
4 channel models have two sets of L/R inputs with an INPUT MODE switch. If you wish to
operate all four channels with a single stereo input select 2CH, if
you wish to provide separate inputs for all four channels select 4CH .
INPUT GAIN- To allow the Q series amplifiers to operate correctly from wide variety of
source units and in varying configurations. The gain control does not limit output power
nor is it a volume control. The gain varies the sensitivity of the amplifiers input circuits. The
main purpose of the input gain control is to properly match the levels of different speakers
in your system for best sound according to your tastes while allowing you to adjust for
maximum undistorted output. Turned to MAX the amplifier will require a higher volume from
the source to achieve maximum output, turned to MIN the amplifier will achieve full volume
from a lower level from the source. On the 2-channle and Mono models you can control the
gain using the remote connection to provide remote level adjustment for subwoofers.
CROSSOVER CONTROLS- Crossovers filters allow only certain frequencies to pass
through them and attenuate frequencies outside the selected range. This enables the user
to specify what frequency range will be sent through the amplifier. The purpose of this is so
each speaker only reproduces the range of frequencies it is intended for, providing lower
distortion and improved sound quality.
XOVER
2-Channel 4-Channel
LP or LPF(mono models) Sets the crossover to low pass attenuating frequencies above
the selected frequency. Normally used for connecting to a subwoofer on that channel.
HP Sets the crossover to high pass attenuating frequencies below the selected frequency.
Normally used for connecting component speakers or pair of tweeters on that channel.
BP (4 Channel only) Sets the crossover to band pass attenuating frequencies below the
selected high frequency and above the selected low frequency. This creates a band pass
response where only frequencies in between the two selected frequencies are reproduced.
Normally used for connectiing to a midbass or midrange driver in a 2-way active front
sound stage.
F Sets the input so that the amplifier will produce a full range output attenuating any
frequencies.
FREQ. -or- HIGH FREQ. / LOW FREQ. This rotary control selects the crossover frequency.
FREQ. MULT X1 or X10 Switches the crossover frequency range from 50-500 to 500-5000
SUB-SONIC (mono models) Is a high pass filter that prevents the subwoofer from playing
below the selected frequency. This is normally used to prevent over excursion of a
subwoofer in a ported enclosure or when installed infinite baffle.
BASS EQ The amplifiers have a bass equalization circuit centered at 45Hz with up to 12dB
of boost. Use the BASS EQ carefully, Too much equalization can easily cause amplifier
clipping and may even damage your speakers.. It is better to work with subwoofer position
and enclosure to get the proper response rather than relying upon the BASS EQ function.
STATUS LIGHTS The green Power LED when illuminated indicates that the amplifier is on
and operating normally. The red Protection LED indicates the amplifier has detected a fault
and gone into protection. If illuminated, turn off amplifier and check for shorted speaker
leads, proper battery voltage, or grounded RCA input.
CONTROLS AND SETTINGS
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