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Studio Technologies StudioComm 50 User Manual

Central controller, control console and related components
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Model 50 Central Controller,
Model 51 Control Console,
and Related Components
User Guide
Issue 4, July 2000
This User Guide is applicable for systems consisting of:
Model 50, serial number M50-00133 and later;
Model 51, serial number M51-00336 and later;
or Model 51 units upgraded to software
part number 7946, version 1.01 and higher
© 2000 by Studio Technologies, Inc., all rights reserved
5520 West Touhy Avenue
Skokie, Illinois 60077 U.S.A.
Telephone (847) 676-9177
.ax (847) 982-0747
www.studio-tech.com
50060-700, Issue 4

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Summary of Contents for Studio Technologies StudioComm 50

  • Page 1 Model 51, serial number M51-00336 and later; or Model 51 units upgraded to software part number 7946, version 1.01 and higher © 2000 by Studio Technologies, Inc., all rights reserved 5520 West Touhy Avenue Skokie, Illinois 60077 U.S.A. Telephone (847) 676-9177 .ax (847) 982-0747...
  • Page 2 This page intentionally left blank.

  • Page 3: Table Of Contents

    Appendix A ..............40 MIDI Messages ............42 Block Diagrams Model 50 Central Controller Model 51 Control Console Model 35/Model 38 Talent Amplifiers Model 70 Interface/Model 71 Mic Module Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 3...
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  • Page 5: Oreword

    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.
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  • Page 7: Introduction

    Give us a call or send an The Model 38 Talent Amplifier takes the e-mail if you need this highly exciting basics from the Model 35 and adds a document! Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 7...

  • Page 8: System .Eatures

    (L+R) of the se- lected source to be sent as the control MIDI Control room output. All Model 50 Central Controller functions are controlled using system-exclusive MIDI Issue 4, July 2000 Model 50/51 User Guide Page 8 Studio Technologies, Inc.
  • Page 9 Mic Module connection input output inputs 1-6 To/from Model 51 Output to talent Mains voltage Studio output Control room Control Console amplifiers configuration A & B outputs chart Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 9...
  • Page 10 Model 51 Back Panel Connection to the Model 50 Central Controller Connection for external talk to studio and talk to phones switches Issue 4, July 2000 Model 50/51 User Guide Page 10 Studio Technologies, Inc.
  • Page 11 (L+R) output Model 35 Back Panel Connects to additional Connects to the Model 50 or another talent talent amplifiers amplifier’s loop thru connector Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 11...

  • Page 12: Installation

    Model 50 or another talent inputs for routing to a digital sources such as key- talent amplifier’s loop audio workstation, effects device, boards or microphones thru connector microphone preamp, etc. Issue 4, July 2000 Model 50/51 User Guide Page 12 Studio Technologies, Inc.
  • Page 13 .or all input and output phone plugs, screws per side. tip is positive (+ or hot), ring is negative (– or cold), and sleeve is shield. The Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 13...
  • Page 14 Refer to the panel dub output, while the front panel Technical Notes section for details on dub output would remain available for setting amplifier sensitivity. “on the spot” use. Issue 4, July 2000 Model 50/51 User Guide Page 14 Studio Technologies, Inc.
  • Page 15 A ¼-inch 3-conductor phone jack, labeled 50’s talent amplifier output to anything Mic Module, is located on the back panel. but Studio Technologies’ talent amplifi- In most cases the Mic Module input will not ers. Some audio equipment may be be used, and no plug should be inserted.
  • Page 16 Should it be necessary to change the unit’s operating voltage it must be performed only at the factory or by an authorized service technician. Issue 4, July 2000 Model 50/51 User Guide Page 16 Studio Technologies, Inc.

  • Page 17: Advanced Installation Topics

    The respective screws. Using two, -inch long, round- function is activated when the tip or ring head machine screws, the 25 Series get shorted to the sleeve. Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 17...
  • Page 18 Ring (Talk to phones) Tip (Talk to studio) (+12Vdc) Sleeve Sleeve (Ground) (Ground) (Switchcraft No. 297, Neutrik NP3C, or equivalent) (Switchcraft No. 297, Neutrik NP3C, or equivalent) Issue 4, July 2000 Model 50/51 User Guide Page 18 Studio Technologies, Inc.
  • Page 19 Model 70 to the Model 50 Central Con- be used to connect to a Model 35 or 38 troller’s talent amplifier output using a Talent Amplifier. Model 70 .ront Panel Model 70 Back Panel Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 19...

  • Page 20: Configuration

    To enter the configure mode, press and and hold the Phones/Studio button and hold the Configure button for two sec- onds. While in the configure mode, all Issue 4, July 2000 Model 50/51 User Guide Page 20 Studio Technologies, Inc.
  • Page 21 Mono button. When the LED is on at a time. is on, the button is set to latch. With this setting, you can press the Mono button Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 21...

  • Page 22: Model 51 Configuration Chart—Main .Unctions

    LED 2 is Mute LED 3 is 30dB LED 4 is 25dB LED 5 is 20dB LED 6 is 15dB LED 7 is 10dB Issue 4, July 2000 Model 50/51 User Guide Page 22 Studio Technologies, Inc.

  • Page 23: Model 51 Configuration Chart—Alternate .Unctions

    Press and hold Phones/Studio, then press CR/Studio 4 to configure channel associated with remote control room source select; LED off means channel 6 selected; LED on means channel 7 Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 23...

  • Page 24: Alternate Configure .Unctions

    Level Up, press the button below the LED it’s pressed again. to toggle the setting. Note that the Model 51’s external commu- Issue 4, July 2000 Model 50/51 User Guide Page 24 Studio Technologies, Inc.
  • Page 25 When the LED is off the headphone function. When the third LED is off the source is selected independently of the function is not active. When the third LED Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 25...

  • Page 26: Operation

    LED flashes during op- room source will automatically change to eration with the Model 51 Control Console. Issue 4, July 2000 Model 50/51 User Guide Page 26 Studio Technologies, Inc.
  • Page 27 Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 27...
  • Page 28 B outputs at any time during single- tions buttons, the LED above it will come channel operation. on to tell you the function is active. Note Issue 4, July 2000 Model 50/51 User Guide Page 28 Studio Technologies, Inc.

  • Page 29: Talent Amplifiers

    Note that the 50Hz tone passively looped through to the control will always be 10dB below the slate level. Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 29...

  • Page 30: Troubleshooting

    Be warned! –60dBu. In the Line position it’s –10 to +10dBu. If you are unsure of your signal level, start with input sensitivity set for Issue 4, July 2000 Model 50/51 User Guide Page 30 Studio Technologies, Inc.
  • Page 31 If the LED does light, you should find 50 LED does not, this indicates that the troubleshooting very easy. Begin by dis- data is not configured correctly for the Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 31...

  • Page 32: Technical Notes

    (pins 1 and 2) you’d get 21.8 ohms per 1000 feet of microphone cable. With our 15 ohm maximum resistance you’d be able to use 688 feet (210m) of this cable. Issue 4, July 2000 Model 50/51 User Guide Page 32 Studio Technologies, Inc.
  • Page 33 Definition of Level—dBu and dBV 50. There is really no reason why this length can’t be increased, as long as Whenever possible, Studio Technologies good low-capacitance, shielded cable is has opted to use the dBu designation as utilized. Runs of 100 to 250 feet (30.5 to it seems to be quite rational.
  • Page 34 While there is some gain output? Was mono to be the sum of left Issue 4, July 2000 Model 50/51 User Guide Page 34 Studio Technologies, Inc.
  • Page 35 Model 51’s microphone section of the manual. can be an issue. If the talk to studio, talk to phones, or slate buttons are pushed Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 35...
  • Page 36 During testing it was found that upon power up the outputs remained very quiet; during power down a moderate “tick” was the worst that was heard. Issue 4, July 2000 Model 50/51 User Guide Page 36 Studio Technologies, Inc.

  • Page 37: Specifications

    (down 1dB @ 80kHz) Control Room Outputs Qty: 2, stereo (separate left and right output Distortion (THD+N): 0.004% (measured at +4dBu connectors) input, +4dBu output) S/N Ratio: 92dB (20Hz-20kHz) Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 37...
  • Page 38 Remote Control Contacts 0.8 pounds (0.4kg) Connect normally open contacts to allow operation of remote talk to studio, remote control room source select, and remote talk to headphones functions Issue 4, July 2000 Model 50/51 User Guide Page 38 Studio Technologies, Inc.
  • Page 39 Output Level: user adjustable User Guide subject to change without notice. Maximum Output Voltage: 16V peak-to-peak into 150 ohms @ 1% THD+Noise, 400Hz Distortion (THD+N): 0.1% .requency Response: 20Hz-20kHz ±0.5dB Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 39...
  • Page 40 To be safe, you can use a MIDI cable with only two or three wires implemented. The following pages provide a detailed list of all Model 50 system-exclusive MIDI messages. Issue 4, July 2000 Model 50/51 User Guide Page 40 Studio Technologies, Inc.
  • Page 41 Reset Notes Mode 1: OMNI ON, POLY Mode 2: OMNI ON, MONO O: Yes Mode 3: OMNI O.., POLY Mode 4: OMNI O.., MONO X : No Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 41...

  • Page 42: Midi Messages

    1. All MIDI messages to be acted upon are system-exclusive type (.0H). No channel mode, system common, or system real time messages are utilized. 2. Studio Technologies, Inc. manufacturer’s ID number is 00H 00H 56H. 3. The Model 50’s product device ID number is 01H.
  • Page 43 .unction: Headphone Source Source Selected, m range 0-2: 0=stereo, 1=left only, 2=right only; n range 0-7: 0=no input, 1=input 1, 2=input 2, etc. EOX, End of System Exclusive Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 43...
  • Page 44 MSB=2 places function in reduced precision mode, where LSB=00 is full mute, LSB=7. is maximum output. MSB=3 places function in reduced precision, reverse range mode, where LSB=7. is full mute, LSB=00 is maximum output. Issue 4, July 2000 Model 50/51 User Guide Page 44 Studio Technologies, Inc.
  • Page 45 2nd Byte of Studio Tech ID 3rd Byte of Studio Tech ID Product ID (Model 50) .unction: Control Room Dim Status, Range 0-1, 0=No Dim, 1=Dim EOX, End of System Exclusive Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 45...
  • Page 46 4=slate to dub and headphones output (interrupt) with tone, 5=slate to dub and headphones output (add) with no tone, 4=slate to dub and headphones output (add) with tone Level, range 1-8, 8 is loudest EOX, End of System Exclusive Issue 4, July 2000 Model 50/51 User Guide Page 46 Studio Technologies, Inc.
  • Page 47 Product ID (Model 50) .unction: Set Dim Level Status, Range 0-5: 0=full mute (approx. 70dB) 1=30dB dim 2=25dB dim 3=20dB dim 4=15dB dim 5=10dB dim EOX, End of System Exclusive Model 50/51 User Guide Issue 4, July 2000 Studio Technologies, Inc. Page 47...
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Studiocomm 51

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