Nady Systems SPM 6600/8600 manual Band Stereo Graphic Equalizer Section, Line Input

CONTROLS AND CONNECTIONS

[Note: Always reset a channel’s input Gain (or external devices’ output level) after altering the amount of mixer equalization cut or boost applied.]

The key to successful equalization is to avoid excess. Too much equalization on the input channels will result in a mix that is smeared together with nothing specifically defined. During rehearsals, experiment with the equalizer controls on various instruments, vocals and combinations of these mixed together to become familiar with various equalizer settings.

(6) PAD

This switch attenuates the input signal by -20dB. When connecting a line level device to channels, or if the mic input is distorted, set this switch to the position of -20dB.

(7) LINE INPUT

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The Line input is designed to accept balanced or unbalanced

line-level signals such as those from keyboards, drum machines, or samplers. There is enough gain available on the line input to accept even lower level signals, such as those from an unbalanced microphone or guitar output. If a balanced signal is to be connected to the line input, then a 1/4" TRS (stereo) phone plug should be wired for: Tip = positive (+), Ring = negative (-), Sleeve = ground.

(Note: Only either the Mic or the Line input of a given channel should be connected at one time.)

2.7-BAND STEREO GRAPHIC EQUALIZER SECTION

(9)L AND R CHANNEL GRAPHIC EQUALIZER

The 7-band channel graphic equalizer allows you to adjust the frequency response of the L and R Channel bus signal, providing a maximum of ± 12dB of cut and boost for each frequency band from the flat position. When in BRIDGE MODE, the L-Channel EQ controls the output.

(10) L AND R AMP PROTECT LED

(8) MIC INPUT

The Mic input is an electronically balanced XLR type designed to accept signals from any balanced or unbalanced low impedance (Low Z) microphone. The XLR jack is configured for: Pin1 = ground, Pin2 = positive (+), Pin3 = negative (-).

These LEDs will indicate the operation of the protection circuits in the POWER AMP (L and R) section. Shut off unit if this lights during use, and check output connections. Do not operate the unit until this LED is off. If the condition persists, have the unit serviced by qualified personnel.

(Note: This LED will flash when the unit is powered on. This is normal.)

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