7865 Stereo Input Channel 3-7
Revision J2005-2 J-Type
614159 +)#(4#¶4·#&RQWURO
The ‘Q’ control varies the bandwidth of the EQ section in the range Q=1 to Q=3. A
low value of Q gives a wide bandwidth.
This means that a relatively large range of frequencies (either side of the centre fre-
quency selected by the ‘Frequency’ control) have boost/cut applied. As the value of
Q is increased, the bandwidth is reduced, so that a very much smaller range of fre-
quencies have boost/cut applied.
61415: +)#(4#%RRVW2&XW#DQG#) UHTXHQF\#&RQWURO
A dual-concentric potentiometer where the ‘inner’ knob is the ‘Boost/Cut’ control for
the EQ section and the ‘outer’ knob is the ‘Frequency’ potentiometer.
Boost/Cut±18 dB
FrequencyVariable from 1.5kHz to 15kHz
61415; +0)#(4#¶4·#&RQWURO
The ‘Q’ control varies the bandwidth of the EQ section in the range Q=1 to Q=3. A
low value of Q gives a wide bandwidth. This means that a relatively large range of
frequencies (either side of the centre frequency selected by the ‘Frequency’ control)
have boost/cut applied. As the value of Q is increased, the bandwidth is reduced, so
that a very much smaller range of frequencies have boost/cut applied.
61415< +0)#(4#%RRVW2&XW#DQG#)UHTXHQF\#&RQWURO
A dual-concentric potentiometer where the ‘inner’ knob is the ‘Boost/Cut’ control for
the EQ section and the ‘outer’ knob is the ‘Frequency’ potentiometer.
Boost/Cut±18 dB
FrequencyVariable from 400Hz to 4kHz
614163 /0)#(4#¶4·#&RQWURO
The ‘Q’ control varies the bandwidth of the EQ section in the range Q=1 to Q=3. A
low value of Q gives a wide bandwidth. This means that a relatively large range of
frequencies (either side of the centre frequency selected by the ‘Frequency’ control)
have boost/cut applied. As the value of Q is increased, the bandwidth is reduced, so
that a very much smaller range of frequencies have boost/cut applied.
614164 /0)#%RRVW2&XW#DQG#)UHTXHQF\#&RQWURO
A dual-concentric potentiometer where the ‘inner’ knob is the ‘Boost/Cut’ control for
the EQ section and the ‘outer’ knob is the ‘Frequency’ potentiometer.
Boost/Cut±18 dB
FrequencyVariable from 60Hz to 600Hz
614165 /)#(4#¶4·#&RQWURO
The ‘Q’ control varies the bandwidth of the EQ section in the range Q=1 to Q=3. A
low value of Q gives a wide bandwidth. This means that a relatively large range of
frequencies (either side of the centre frequency selected by the ‘Frequency’ control)
have boost/cut applied. As the value of Q is increased, the bandwidth is reduced, so
that a very much smaller range of frequencies have boost/cut applied.
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