Heritage Audio DTT-73 User Manual

Heritage Audio DTT-73 User Manual

2-channel class a portable mic/line preamp with d.i. table top

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DTT-73
2-CHANNEL CLASS A PORTABLE
MIC/LINE PREAMP WITH D.I.
TABLE TOP
USER MANUAL
August/2022 Rev. 1.0.

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Summary of Contents for Heritage Audio DTT-73

  • Page 1 DTT-73 2-CHANNEL CLASS A PORTABLE MIC/LINE PREAMP WITH D.I. TABLE TOP USER MANUAL August/2022 Rev. 1.0.
  • Page 2: Table Of Contents

    Heritage Audio - Madrid, Spain © 2022 Heritage Audio S.L. is the sole owner of the copyright of all information and drawings contained in this manual which are not to be copied or reproduced by any means or disclosed in part or whole to any third party without written permission.
  • Page 3: Description

    Standing for DTT- 73, it is in essence a reformatted single channel DMA 73 with a very sturdy construction for portable use in any environment. The DTT-73 widens the range of applications to on-stage use, portable systems, hotel rooms, on-site location recordings, etc. It even has its own handle to make lugging it around as easy as can be.
  • Page 4: Getting Started

    GETTING STARTED FRONT INPUT GAIN SWITCH THRU OUTPUT THRU GND LIFT D.I. PHANTOM POWER 5dB Steps From 30 to 80 To also send D.I. signal to Amp, Disconnects the ground pin Switch to activate the D.I. Input Activates 48 V simultaneously from the connector HIGH PASS FILTER...
  • Page 5: Applications

    APPLICATIONS ACTIVATE +48 V FOR CONDENSER MIC - CH 1 & CONDENSER MIC - 1 USB - COMPUTER MIC INPUT 1 OUTPUT 1 CONDENSER MIC - 2 OUTPUT 2 MIC INPUT 2 LINE INPUTS - AUDIO INTERFACE D.I. INPUT - BASS AMP USB - COMPUTER D.I.
  • Page 6 APPLICATIONS D.I. & AMP D.I. INPUT 1 USB - COMPUTER ACTIVATE +48 V FOR CONDENSER MIC - CH 2 INPUT - BASS AMP OUTPUT 2 ( MIC/SPEAKER ) OUTPUT 1 ( D.I. ) LINE INPUTS - AUDIO INTERFACE LINE ACTIVATE LINE SWITCH 1 & 2 LINE OUTPUTS - KEYBOARD OUTPUT 1 USB - COMPUTER...
  • Page 7: Specifications

    SPECIFICATIONS • Microphone input impedance: High=1200 Ω minimum; Low=300 Ω minimum. Higher gain positions gradually have greater impedances, optimum for low gain ribbon mics. Input is transformer balanced and floating. • Line input impedance: 10 kΩ bridging, transformer balanced and floating. •...
  • Page 8: Trouble Shooting

    Simply tap the signal from the THRU output jack. It is the DTT-73 to send to the FOH engineer. identical to the signal received at the DTT-73 input. There is a ground like noise on my amp. Try pushing the ´LIFT´ button to see if it helps.
  • Page 9: Warranty Statement

    2 years to the original purchaser. In the event of such defects, the product will be repaired without charge or, at our option, replaced with a new one if delivered to Heritage Audio prepaid, together with a copy of the sales slip or other proof of purchase date.
  • Page 10: Recall Sheets

    RECALL SHEETS...
  • Page 11 HERITAGE AUDIO. C/ Alfonso Gómez, 38, 3C. 28037 Madrid – Spain. Tel: +34 917 266 189 info@heritageaudio.com...

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