Studio Technologies 60A User Manual
Model 60A Central Controller and
Model 61 Control Console
User Guide
Issue 1, June 2003
This User Guide is applicable for serial numbers:
Model 60A 00343 and later
Model 61 00151 and later
© 2003 by Studio Technologies, Inc., all rights reserved
www.studio-tech.com
support@studio-tech.com
50097-0603, Issue 1
Table of Content s
Foreword ..................................................................... 5
Introduction ................................................................. 7
What This User Guide Covers................................. 7
System Overview .................................................... 7
System Features ..................................................... 7
Installation................................................................... 10
Configuration............................................................... 14
Operation .................................................................... 14
Troubleshooting .......................................................... 16
Technical Notes .......................................................... 17
Specifications .............................................................. 20
Block Diagrams
Model 60A Central Controller
Model 61 Control Console
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Issue 1, June 2003 Model 60A/61 User Guide
Page 4 Studio Technologies, Inc.
Foreword
I am pleased to present the StudioComm series of products. As both president and owner
of Studio Technologies, I take a very personal approach when designing products. Getting
older has increased my appreciation of the more subtle things in life—be they a part of
nature or the nuances contained in a well-designed piece of electronic equipment. Do the
technical and operational aspects of a product work together to “feel” right? A Studio Technologies’ design is ready to go only when I am completely satisfied. My entire focus for the
StudioComm series was to make a system that you’d really enjoy using, and one that
would perform reliably for years. I hope you share my enthusiasm.
Many fine people worked toward making the StudioComm “happen.” Mitch Budniak (ace
consulting engineer) designed many of the circuits. Jim Cunningham contributed to the
analog design. Carrie Loving provided engineering support. Al Lux designed the printed
circuit boards. Fred Roeck performed the mechanical design. Joe Urbanczyk coordinated
the performance testing.
Many thanks to Bob Tjarks, sales manager at Gand Music & Sound, Northfield, Illinois.
Bob brought to my attention the need for a product to serve digital audio workstations. His
product idea evolved into the StudioComm series. Additional thanks to Timothy Powell of
Metro Mobile Recording, Glenview, Illinois, who provided his excellent ears when issues of
sonic quality arose. His extensive field and studio experience was extremely helpful in
keeping me on the audio “straight and narrow.”
Studio Technologies is receptive to your comments and questions. Please contact me via
E-mail—you can find the address at www.studio-tech.com—I’d like to hear from you.
Sincerely,
Gordon K. Kapes
President
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Issue 1, June 2003 Model 60A/61 User Guide
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Introduction
The Model 60A Central Controller, along
with the companion Model 61 Control
Console, are members of the StudioComm
family of products. The Models 60A and
61 are specifically designed to work in
conjunction with digital audio workstations
to provide routing, monitoring, and communications functions. Features include
control room monitoring, dub (copy) output, an integrated headphone cue system,
and auxiliary switcher. Several of the
functions can be configured, allowing the
performance to be tailored to a specific
installation.
The Model 60A Central Controller is an
update of the Studio Technologies’ popular Model 60 Central Controller. The Model
60A implemented several changes to allow
support of more applications. Specifically,
the insert switcher section contained in the
Model 60 was removed. While a nice idea
at the time of the original design, it proved
to be a less-than-stellar feature. It was
hard to configure, confusing to use, and
generally lame! The Model 60A revised
the insert switcher’s switches and jacks
to create a very nice auxiliary switcher
section. This allows a wide range of input
and output routing applications to be
implemented.
What This User Guide Covers
This User Guide is designed to assist you
when installing and using the Model 60A
Central Controller and the Model 61
Control Console.
System Overview
The StudioComm system is designed
to provide control over monitor and dub
sources, supports a passive input or
output switcher function, and includes
a headphone cue system that allows
communications from the control room
to the talent. A complete StudioComm
system consists of a rack-mounted
controller and a desktop control console.
The Model 60A Central Controller and the
Model 61 Control Console work together
to provide a simple, convenient operator
interface, extensive features, and excellent
sonic performance. The units interconnect
using a standard 5-pin MIDI-style cable.
Switches and controls on the Model 60A’s
front panel allow access to many operating
parameters, including selecting control
room and dub input sources and setting
the level of the headphone cue system.
The Model 61 Control Console places the
most important controls at the operator’s
finger tips. These include the control room
level potentiometer and monaural button,
as well as the cue microphone and enable
button.
System Features
Stereo Line Inputs
The Model 60A contains four stereo linelevel inputs which are compatible with both
balanced and unbalanced signals. Each
input is independently configurable for a
nominal input level of –10dBV or +4dBu.
Analog audio outputs from digital audio
workstations, DAT recorders, video editing
equipment, CD players, cassette decks,
or virtually any analog source can be
connected.
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Control Room Output
A stereo line-level output is provided for
connection to a power amplifier associated
with control room monitor loudspeakers.
Switches on the Model 60A’s front panel
allow selection of one or more of the four
input signals as the control room source(s).
A smooth-feeling rotary control on the
Model 61 Control Console allows the
control room level to be adjusted. As a
production or mixing aid, the Model 61
contains a button that activates the
control room monaural (L+R) function.
For broadcast or other special application,
an external switch or contact closure can
be connected to the Model 60A, allowing
Model 60A Front Panel
the control room output to be fully muted
as required. An LED indicator on the
Model 60A’s front panel lights whenever
mute is active. A power up/power fail
detection function is associated with the
mute circuit. This limits the chance of
transients being present in the control
room output, protecting the control room
power amplifier and associated loud
speakers.
Dub Output
A stereo line-level output is provided for
dub (copy) use. It can also serve as a
general-purpose output, useful in many
applications. Switches on the front panel
of the Model 60A Central Controller allow
Power
present LED
Auxiliary switcher
selection buttons
Control room
mute LED
Control room
source switches
Dub source
switches
Cue program
Dub output
level control
switch
Headphone
source switch
Cue level
control
Headphone
output level
control
Model 60A Back Panel
AC mains
connection
Mains voltage
configuration chart
Issue 1, June 2003 Model 60A/61 User Guide
Page 8 Studio Technologies, Inc.
To/from
Model 61
Control Console
Headphone
output; control
room mute input
Dub
output
Control
room output
Stereo line-level
inputs
Auxiliary switcher
connections
Headphone
output jack
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