Orban OPTIMOD-FM 8100A/XT Effect Processor
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8100A/XT Six-Band Limiter Accessory Chassis for
OPTIMOD-FM (Models 8100A and 8100A/1) has been created to
provide aggressive multiband processing for stations that
desire bright, loud, "highly-processed" audio. Derived from
OPTIMOD-AM Model 9100A, the 8100A/XT consists of a stereo
, and a stereo six-band limiter cascaded with
the exclusive Orban
distortion-cancelling multiband clipping
system. When added to the basic OPTIMOD-FM system, the unit
creates a dense, consistent sound without pumping or other
obvious processing artifacts.
For convenience, we will hereafter refer to the 8100A/XT
Six-Band Limiter Accessory Chassis as the "XT". All future
mentions of the "8100A" mean the 8100A/1, or the 81Q0A as
modified by means of retrofit kit RET-27 to function as an
8100A/1, unless the context clearly indicates otherwise.
Functionally, the unit replaces the high frequency limiter
within OPTIMOD-FM Model 8100A, and permits the following
objectives to be met:
— Increased loudness for a given level of audible processing
side-effects (by comparison to an unmodified 8100A);
— Improved consistency from source to source due to the
"automatic equalization" effect of the six-band limiter; and,
— Increased presence and intelligibility on smaller radios
and in autos.
The XT is particularly suited for highly competitive pop
music formats, such as AOR, CHR, AC, and Urban Contemporary.
Because it has been specifically "tuned" to the OPTIMOD-FM
system, it minimizes processing side-effects when compared
to complex processing systems that use OPTIMOD-FM cascaded
with other processors.
Please note that OPTIMOD-FM with the XT will be no louder
than the basic OPTIMOD-FM operated with very fast release
times and large amounts of clipping -- OPTIMOD-FM is already
a very loud processor. The primary advantages of the XT are
improved consistency, increased brightness on naturally-dull
program material, and reduction of audible processing
side-effects — all while retaining the high loudness
capabilities of an aggressively-operated 8100A.
Service and User Manual
6.35 Mbytes (6663214 Bytes)
01 January 1985
Scanned document, all readable.
26 October 2017