Toft Audio Designs ATB series Console Manual
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Toft Audio Designs ATB series Console Manual

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Summary of Contents for Toft Audio Designs ATB series

  • Page 2: Table Of Contents

    www.toftaudio.com TABLE OF CONTENTS Introduction Power and Audio Connections Star Grounding Input Module Input Module Flow Diagram Submaster Module Submaster Module Flow Diagram Master Section Master Section Flow Diagram Overall Flow Diagram Operational Description Meter Bridge Option Digital I/O Option Technical Specifications Safety Information Safety Instructions...
  • Page 3 Toft Audio Designs Series ATB Console...

  • Page 4: Introduction

    www.toftaudio.com INTRODUCTION The Toft Audio Series ATB is the creation of Malcolm Toft who was the founder of console man- ufacturer Trident Audio Developments in 1972. Prior to that he was a recording engineer whose credits include the David Bowie ‘Space Oddity’ album, three albums with T-Rex and James Tay- lor’s first album.

  • Page 5: Power And Audio Connections

    Toft Audio Designs Series ATB Console POWER & AUDIO CONNECTIONS D.C. POWER: The Series ATB is supplied with a high quality D.C. power supply which should be connected to a suitable a.c. power source via an earthed cable connected to the 3 pin euro socket at the back of the power supply.
  • Page 6 www.toftaudio.com AUDIO CONNECTIONS: Two types of audio connector are provided on the rear of the unit, x-l-r and 1/4” jack. The mic input x-l-r is female and therefore the microphone lead requires a male plug. The wiring convention is as follows: Pin 1 Earth Pin 2...
  • Page 7 Toft Audio Designs Series ATB Console SERIES ATB REAR PANEL - INPUT SECTION SERIES ATB REAR PANEL - OUTPUT SECTION...

  • Page 8: Star Grounding

    www.toftaudio.com STAR GROUNDING By connecting equipment together using the ‘star grounding’ principle it is possible to virtually eliminate hum loops from studio wiring. Since the system is quite easy to implement, it only requires following a certain procedure that will soon become second nature.

  • Page 9: Input Module

    Toft Audio Designs Series ATB Console INPUT MODULE INPUT MODULE General Description INPUT MODULE General Description The Series ATB Input Module is an extremely sophisticated and flexible channel that can be used for recording, mixing and moni- toring multi-track recordings. It will accept the signal from a low impedance balanced microphone, high or low level balanced line input, or even the output from a musical instrument.
  • Page 10 www.toftaudio.com on the sub group section, at mixdown a 16 channel Series ATB becomes a 56 input mixer whilst a 24 channel becomes a 72 input mixer and a 32 channel becomes an 88 input mixer. The input channel is provided with a stereo, non destructive after fade listen system (AFL). By de- pressing this button, it is possible to hear the selected signal in isolation (or mixed with other select- ed AFL signals).

  • Page 11: Input Module Flow Diagram

    Toft Audio Designs Series ATB Console INPUT MODULE FLOW DIAGRAM...

  • Page 12: Submaster Module

    www.toftaudio.com SUBMASTER MODULE SUBMASTER MODULE General Description The Submaster section of the console greatly enhances the flex- ibility of the Series ATB console and as a consequence provides a number of different functions. Each Submaster channel provides a method of adjusting the output level of each of the 8 subgroup outputs via a 100mm high quality fader.
  • Page 13 Toft Audio Designs Series ATB Console A separate facility on each Submaster channel is the inclusion of a stereo Effects Return section locat- ed directly above the 12 segment bargraph meters. Individual jack inputs are provided on the rear panel behind the Submaster section and these are wired in stereo.

  • Page 14: Submaster Module Flow Diagram

    www.toftaudio.com SUBMASTER FLOW DIAGRAM...

  • Page 15: Master Section

    Toft Audio Designs Series ATB Console MASTER SECTION MASTER SECTION General Description The Master section of the ATB console contains all of the con- trols that affect the overall functionality of the console. An accurately matched 100mm stereo fader controls the level of the master stereo balanced outputs.
  • Page 16 www.toftaudio.com complex dynamic waveforms such as pianos etc. This type of meter will therefore greatly assist the engineer when it comes to avoiding distortion during recording. However, when used on less complex waveforms generated by for example, an electric guitar, it is possible to under record the instrument using a bargraph display as they will sometimes react too much to the peak amplitudes of the signal and not the average amplitude.

  • Page 17: Master Section Flow Diagram

    Toft Audio Designs Series ATB Console MASTER FLOW DIAGRAM...

  • Page 18: Overall Flow Diagram

    www.toftaudio.com OVERALL FLOW DIAGRAM...

  • Page 19: Operational Description

    Toft Audio Designs Series ATB Console OPERATIONAL DESCRIPTION Multi-Track Recording Set Up Make sure that all buttons are up and that all controls are in their default positions, i.e centre detented potentiometers such as pan and equaliser boost/cut are in their centre positions, level controls and equaliser frequency sweeps are at minimum (anti-clockwise).
  • Page 20 www.toftaudio.com To monitor the signal being recorded (via the multi-track recorders input/output monitoring system, the recorder’s output should be connected to the balanced ‘MON’ jack located behind each input module. This then connects the signal to the separate monitor section incorporated within each input module. By turning up the appropriate ‘MON LEVEL’...
  • Page 21 Toft Audio Designs Series ATB Console The phase reverse button located at the top of the module works in conjunction with the mic and line inputs and can be used to reverse the signal phase of either input. Phase differences can occur when two microphones are placed in close proximity (for example when recording acoustic guitar) and causes a cancellation of certain frequencies (usually bass) which results in a ‘thin’...
  • Page 22 www.toftaudio.com the line amplification is 0dB. Decreasing the level will attenuate the signal by up to -15dB and in- creasing it from midway will amplify it by up to 25dB. Once the recording has been made, it can be played back either via the Submaster section or Moni- tor sections of the input channels.

  • Page 23: Meterbridge Option

    Toft Audio Designs Series ATB Console Reverb/echo effects can be added by using any of the six auxiliary send outputs connected to an appropriate reverb device. The output of these devices can either be connected to any of the eight dedicated Stereo Effects channels located in the Sub Group section of the console, or connected as a line input to any input module or channel Monitor section.

  • Page 24: Digital I/O Option

    www.toftaudio.com This configuration does however mean that without connecting a DAW and using the ‘multi- track’ emulation as described above, it will not be possible to read the channel signal. For this reason a customer programmable switch has been provided which is accessible through a small hole in the base panel of the mixer.

  • Page 25: Technical Specifications

    Toft Audio Designs Series ATB Console TECHNICAL SPECIFICATIONS Input impedance: Microphone: >1.2KΩ electronically balanced Line: >10KΩ electronically balanced Output Impedance: Groups and Auxiliaries: <100Ω electronically balanced Others: <100Ω unbalanced Gain: Microphone: 70dB (channel input to group output) Gain: 6dB to 65dB...

  • Page 26: Safety Information

    www.toftaudio.com IMPORTANT SAFETY INFORMATION CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE The lightning flash with arrowhead symbol, within equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

  • Page 27: Environmental Compliance Statements

    Toft Audio Designs Series ATB Console 9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety.

  • Page 28: Warranty

    WARRANTY TOFT AUDIO DESIGNS LIMITED WARRANTY Product. The specific warranty on the repaired part only shall be in effect for a period of ninety (90) days following PMI Audio Group warrants that all products will be free the repair or replacement of that part or the remaining from defects in material or workmanship: period of the Product warranty, whichever is greater.

  • Page 29: Registration

    Toft Audio Designs Series ATB Console REGISTRATION OWNERS REGISTRATION CARD TO BE COMPLETED AT THE TIME OF PURCHASE Name Date of Purchase Serial Number Dealer Name Retain this portion for your records. Gray Market Information All warrantees apply only to PMI Audio Group products purchased and used in the USA, and to PMI Audio UK products purchased and used in the UK, EU and all other countries outside of the USA.
  • Page 30 PLEASE DETACH AND RETURN THIS PORTION TO TOFT AUDIO DESIGNS WITHIN 14 DAYS OF PURCHASE. YOU MAY ALSO REGISTER ONLINE AT WWW.TOFTAUDIO.COM Name: City: State: Zip: Telephone Number: Email Address: Model Purchased: Date Purchased: Serial Number: Dealer: Comments: Send to the closest PMI facility:...
  • Page 31 ______________________________________ ______________________________________ place stamp ______________________________________ here ______________________________________ Toft Audio Designs...
  • Page 33 Toft Audio Designs® is a registered trademark of PMI Audio Group ©2009 All Rights Reserved PMI Audio Group US PMI Audio Group UK 1845 W 169th ST 4 Minerva Court, Woodland Court Gardena, CA 90247 Woodlands Industrial Estate V: 310.323.9050 Torquay, Devon TQ2 7BD W: www.toftaudio.com...

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