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QBASS
0
+18
Q
BASS REMOTE
™
Designed and handcrafted in the USA
™
2
QBASS
PLUS
™
Q
BASS PLUS
™
On
POWERCLASS
™
amplifiers, we've taken bass control to
a higher level with
Q
BASS PLUS
™
. The two
Q
BASS
switches (labeled 1 and 2) on the front end of the amplifier
allow you to select one of four frequency centers - 30 Hz,
36 Hz, 44 Hz and 60 Hz. The Q SELECT switch determines
the width of boosted frequencies. A 'Q' of 2 (switch out)
will give you a wide boost while a 'Q' of 4 will boost a
narrow range of frequencies (See chart below). On the
rear end panel you will find the
Q
BASS
level control and
the plug-in for an optional
Q
BASS REMOTE
™
dash
mounted level control. Adjust the level control clockwise
for up to 18dB of boost at your selected frequency and Q.
Q
BASS PLUS
™
QBASS™
Settings
1 2 Freq.
IN IN 30Hz
IN OUT 36Hz
OUT IN 44Hz
OUT OUT 60Hz
+18dB
+6dB
0dB
30Hz
36Hz
44Hz
60Hz
Q = 4
Q = 2
+12dB
Optional
Q
BASS REMOTE
™
This boost control can be mounted
in the dash and will supersede the
boost control on the endplate.
Optional
Q
PORT
™
expansion
module allows one boost control
to operate multiple amplifiers. Each
Q
PORT
™
has outputs for four amplifiers
as well as another
Q
PORT
™
for greater
expansion. See your Authorized
PrecisionPower
Dealer for more information!
Crossover Specifications
PC PRO 6800
Linkwitz-Riley crossover topology used throughout.
High Pass (Channels 1/2, 12dB/Octave stereo) Fully Variable 20 Hz - 20 KHz.
Band Pass (Channels 3/4, 12dB/Octave stereo) Fully Variable 20 Hz - 20 KHz.
Sub or Band Pass Channels 5/6, (24dB/Octave mono Fully Variable 50 Hz - 500 Hz
Lowpass or 12dB/Octave stereo 20 Hz - 20 KHz Bandpass).
Sub or Band Pass RCA outputs will be the opposite of Channels 5/6 Crossover.
Q
BASS PLUS
™ on Lowpass assigned to Channels 5/6 or RCA OUTPUT.
CAUTION:
Q
BASS PLUS
™
should only be used in systems with strong
subwoofers. 18dB is a lot of bass boost and could damage full range speakers.
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