3-18 7496 Dual Input Channel
J-Type Revision J2005-2
61516: +)#(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.
61516; +)#(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
61516< +0)#(4#¶4·#&R QWURO
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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3.2.38 HF EQ Boost/Cut and Fre-
quency Controls
3.2.40 HMF EQ Boost/Cut and
Frequency Controls
3.2.42 LMF EQ Boost/Cut and Fre-
quency Controls
3.2.44 LF EQ Boost/Cut and Fre-
quency Controls
3.2.49 LP Filter Frequency
3.2.57 Null LED (2)
3.2.50 HP Filter Frequency
3.2.53 Main PFL
3.2.54 Channel Mute
3.2.56 Recall Null Direction LEDs
3.2.37 HF EQ “Q” Control
3.2.39 HMF EQ “Q” Control
3.2.41 LMF EQ “Q” Control
3.2.57 Null LED (4)
3.2.43 LF EQ “Q” Control
3.2.45 EQ In/Out
3.2.46 LP Filter In/Out
3.2.47 HP Filter In/Out
3.2.48 EQ and Filters Pre and Post
Insert
3.2.51 Insert In/Out
3.2.52 All Module Isolate
3.2.55 Pot ‘Reset’ Warning
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