Issue 4, March 1997
Model 80 User Guide
Page 8
Studio Technologies, Inc.
Model 80 Back Panel
Model 80 Front Panel
Power
present LED
10 or +4 output level
configuration switches
AC mains
connection
Loop through
output
Stereo line-level
input
Stereo line-level
outputs
Input
level control
Input level
calibration LEDs
Right input
trim control
Short circuit resistant, the rugged output
circuits can drive full signal levels into 600
ohm or greater loads.
The Model 80s architecture precludes the
need for individual output-level trim poten-
tiometers. With the input signal calibrated
using the ExactCal section, the eight
stereo outputs use 1%-tolerance compo-
nents to provide precise 10 or +4dBu
outputs.
Audio Performance
The Model 80 is the result of exacting
circuit design combined with the latest
state-of-the-art components. Like all
Studio Technologies products, the Model
80 has survived tough listening evalua-
tions by industry professionals. These
veterans had the ears to guide us in
achieving the right performance. The
outcome is a product that achieves
sonic excellence.
Design Philosophy
Most audio distribution amplifiers contain
a level trim adjustment on each output.
After careful study Studio Technologies
concluded that these adjustments con-
fused, and often interfered with the
process of getting maximum audio
performance. After checking with person-
nel in the field, it became clear that what is
desired in virtually every distribution-
amplifier applications are multiple audio
outputs all operating at a standard refer-
ence level. By implementing the ExactCal
system, the Model 80s internal operating
level can be easily calibrated to match the
input signal. Once this input level match-
ing is accomplished the eight stereo
outputs can be individually configured for
a 10 or +4dBu nominal operating level.
In conclusion, output trim pots are not
included on the Model 80 for the simple
reason that better audio performance can
be achieved without them!
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