Specifications

CHANNEL 9 — 16 AND 17 — 24 (BACK PANEL CONNECTIONS)

37. MICROPHONE INPUT

The MICROPHONE INPUT is an XLR balanced input for a low impedance

microphone. Pin 2 is the positive input.

38. STEREO LINE INPUT

These two 1/4" (TS) unbalanced line inputs LEFT/MONO and RIGHT are for

high level, line signals. If there is no 1/4" jack plugged into the RIGHT input,

the signal from the LEFT/MONO jack is applied to both L and R inputs. On

the stereo Channels 15 and 16, if selected, the LINE INPUT signals are sent

directly to the L and R sub-channels.

CHANNEL 9 — 16 AND 17 — 24 (FRONT PANEL FEATURES)

39. GAIN

The GAIN CONTROL varies the gain of the microphone input to allow a

wider input dynamic range. The gain adjustment range is +10 dB to

+50 dB. Proper adjustment of the mic gain will maximize the signal to

noise ratio. It can be set by depressing the PFL switch (35) and adjusting

for a 0 dB level at the R meter.

40. CHANNEL 17 — 24 ASSIGNMENT SWITCH

This switch determines how the stereo line inputs are routed. In the out

position, the signal is routed to sub-group 5/6. When the switch is

depressed, the mic input on the corresponding input channel (9 - 16) is

muted and the line signal is routed through that channel. On channels 9 -

14, the signal is summed mono. On channels 15 and 16, the stereo

signal is maintained.

41. LINE INPUT LEVEL

The line input level control adjusts the stereo line input from (-) infinity to

unity gain at the center detent, and to +6 dB at the full clockwise position.

When assigned to group 5/6, this control is the input mix

control. When routed through the corresponding channel

strip, this control serves as the input trim control.

42. MID (dB) EQ

This bandpass (boost/cut) active tone control varies the

mid-frequency LEVELS +/-15 dB with a fixed center

FREQUENCY of 800 Hz.

(All remaining controls and features are identical with those on Channels 1-8.)

CHANNEL 15 AND 16 (STEREO CHANNELS)

These two channels are full stereo channels with two separate L and R sub-channels

each. All controls and functions are identical with those on Channels 9 — 14 with the

following exceptions:

43. AUX 1/2

AUX 1 adjusts the level of the channel’s LEFT pre-fader signal that

is added to AUX 1 mix. AUX 2 adjusts the level of the channel’s RIGHT pre-

fader signal that is added to AUX 2 mix. Unity gain at the center detent

position and +10 dB of gain in maximum.