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the “in” position and lifts the signal when “out”. Signal to the headphone switch is
CONTROLS AND CONNECTIONS
always on.
1. Channel Volume Pots control input signals over a range of
7. Master Volume Pots determine the amount of signal from the summing amps
that is fed to the output drivers and the meters. These also have a gain range of -60 to
6OdBm attenuation at full off to 2OdBm of gain at full on.
i-2OdBm.
2. Pan Pots are dual pots with center detent, offering over 65dB of stereo isolation
8. LED dB Indicators are precisely calibrated at 3dB increments and span a range
from left to right channel. The center detent allows convenient and accurate setup,
of -15 to +l2dBm measured unbalanced at the 1/4” output. The output of the XLR,
feeding signal equally to both channels.
with the switch in Line mode, is 6dB greater.
3. Low frequency Cut Switch for reduction of wind noise, etc. The cutoff
9. Stereo Peak Limiter is pre master fader and is switchable in or out of the signal
frequency is 120Hz with a 24dB slope.
path. Threshold is set at 0dB and limiting up to 15dB is possible. The left and right
LEDs on the front panel illuminate when the limiter is working and get brighter as
limiting increases. Attack time is fast and the ratio is approximately 4:1.
4. OL (Over Load) LED illuminates when the level is 3dB below distortion. The
clip circuit senses the signal level at the input diff amp and after the channel gain.
10. Stereo Headphone Circuit consists of a source select switch, a volume
control, a 1/4” TRS headphone jack and will drive any headphones with 20 ohms or
5. Aux 1 Input Pot controls the rear panel RCA jacks. Aux I is a stereo unbalanced
greater impedance. The volume control has a gain range of -60 to +20db. The select
circuit feeding the left and right busses. This control has a gain range of -60 to -~-
switch feeds either the prefader stereo master signal or the aux 2 postfader signal to
20dB.
the headphone amplifier.
6. Aux 2 Input Pot controls the rear panel stereo 1/4” TRS balanced jacks through
a gain range of -60 to +20dB. Postfader signal is fed to the headphone select switch
11. LED Indicators for Phantom Power and Unit Power illuminate
“mon' position allowing aux 2 to become an external input to the headphone circuit.
when rear panel switches are activated.
The main/off switch routes the aux 2 input signal to the left and right stereo busses in