
FRONT PANEL CONTROLS (bottom row continued)
MIC/LINK - OPERATIONAL NOTE:
A useful technique is to set one unit to normal compression levels and the second unit to very
light, if any, compression and record each output to it’s own track. During mixdown, adjust the
normally compressed track to normal levels as the main track and set the lightly or non-
compressed track so that it “pokes through” during the heaviest compression of the first track.
This is very effective in creating tracks that always sound big regardless of how dense the back-
ground track becomes. Naturally, experimentation is encouraged.
LIMITER FEEDBACK
As used in the PAL Plus MkIII, LIMITER FEEDBACK is similar in concept to the MIC/DI
FEEDBACK circuit except it is “semi-global” (between 12AX7 and 12BH7A) as opposed to “lo-
cal” (within the 12AY7) as found in the MIC gain stage. Experimentation is encouraged.
LIMITER FEEDBACK - OPERATIONAL NOTE:
A “0” adjustment (counterclockwise) is the most linear and clean setting. Advancing the control
“clockwise” generates a good deal of harmonics and adds complexity to the audio. Use the
OUTPUT LEVEL control to offset the increase in output level as you increase LIMITER FEED-
BACK.
With program material, a bell-curve can clearly be heard as feedback is advanced. Turning
“clockwise”, you will hear harmonics and gain being increased and the material become more
exciting. At some point (program and level dependent) you will notice the bass becoming “soft
or a little wooly” and the sound will become less focused. This would be the point where you
have gone beyond the peak of the bell and would be where you may want to slightly reduce
the LIMITER FEEDBACK for tighter bass, yet still have a good deal of increased harmonic con-
tent. Naturally, you are encouraged to experiment, there is a lot of personality available once
you being to work with the interactivity of all the controls.
LIMITER LINK
This switch is for whenever two PAL limiters are to be used as a stereo pair. In order for this
switch to be effective, the ¼” link jack found on the rear panel must be interconnected (using
shielded cable) to the same jack on a second PAL limiter (for best results keep the cable length to
a minimum).
This switch links PEAK DETECTION and the PEAK REDUCTION control. All other controls
remain independent. For processing stereo program material, be sure that the RATIO switches,
PEAK REDUCTION , LIMITER RESPONSE and LIMITER FEEDBACK controls of both units
are adjusted to the same setting. This will provide the best possible stereo image with the least
amount of limiting artifacts.
THE PAL PLUS MKIII
R e q u i s i t e A u d i o E n g i n e e r i n g! L2M MkIII
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