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in recovering highs that get squashed in the compression process. Be careful of adding too much! It can get
brittle and unpleasant if used in excess!
25.
ENHANCE FREQUENCY: This is the tuning adjustment for the SmarTube
generate harmonics in the range of 2 kHz to 10 kHz from the source. For most uses, this control will be set
near the center of its rotation.
26.
BLEND: Pans between the "dry" pre-amp signal and the fully processed "wet" signal. When set fully CW, the
output will be 100% processed, with all functions on line. At the CCW position, only the pre-amp signal will be
present. Any in between settings will be a blend of these extremes. This control will allow the IPro One
used as a single band of a multi band compressor, or as a very subtle effect. Many specialized functions are
possible.
27.
HEADPHONE: The headphone level control picks up its signal before the main level so that an independent
setting is possible. The headphone signal is mono and is the same as the main output. The jack is a standard
TRS 1/4" stereo jack.
28.
GAIN REDUCTION METER: A twelve segment LED array that tells how much gain reduction is being applied to
the signal. It is very useful for making adjustments, since the action of the expander, compressor, and limiter
controls is easily seen. If there is no activity, the signal's amplitude is unchanged.
29.
OUTPUT LEVEL METER SELECTOR: The output meter can monitor either the output signal (default) or the
output of the pre-amp. It is used to set the optimum (0 dBu) internal level and to show the amplitude that is sent
to the output jacks.
30.
OUTPUT LEVEL METER: This is a peak indicating meter that indicates the level of the signal picked by the
meter selector switch. The 0 dB point corresponds to 0 dBu for the 1/4" jack and +4 dBu for the XLR output jack.
REAR PANEL JACKS:
31.
INPUTS: These jacks are in parallel with the front panel jacks. The rear line input jack is automatically
disconnected when the front panel jack is used, but the XLR jack is not. Both inputs are balanced, with pin 2
(XLR) and the tip (1/4") being the positive phase input.
32.
SIDE-CHAIN INSERT: 1/4" stereo (TRS) jack which allows an external device or other audio signal to be
inserted into the detector's signal path to control the VCA circuitry of the compressor, expander or limiter
circuitry. The tip has the send signal; the ring is the return input. A switch in the jack normally connects the return
(ring) to the send (tip) until a plug is inserted. This jack is enabled by a front panel switch (see #16).
33.
MAIN OUTPUTS: Both balanced XLR and unbalanced 1/4" jacks are provided to interface with any type of
equipment. The XLR connector has 4 dB more output to match the +4 dBu industry standard level. Pin 2 (and
Tip) is the positive phase.
34.
AC MAINS INPUT: Connect the line cord to this connector to provide power to the unit. Damage to the
equipment may result if improper line voltage is used. Operate only with the specified AC input voltage and
frequency applied.
™
7
Enhance effect. It can be set to
™
to be
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