Related Manuals for Heritage Audio 73 JR II
Summary of Contents for Heritage Audio 73 JR II
- Page 1 73 JR II MONO MIC/LINE PREAMP & D.I. 500 Series Module USER MANUAL August/2022 Rev. 1.0.
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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
DESCRIPTION The 73 JR II is the 2021 update to the already classic 73 JR, a true 73 style mic preamp in a single 500 series slot with some added features that will cover all the recording needs for engineers and musicians that don´t find the need to track with eq. -
Page 4: Getting Started
GETTING STARTED FRONT INPUT GAIN SWITCH MIC INPUT IMPEDANCE LINE PHASE HIGH PASS FILTER FREQ 5dB Steps From 30 to 80 1200 Ω or 300 Ω when pressed Switches from MIC/D.I. to Line Flips phase 180º -3 dB at 82 Hz, Discrete Class D.I. -
Page 5: Applications
APPLICATIONS ACTIVATE +48V FOR CONDENSER MIC CONDENSER MIC USB - COMPUTER OUTPUT 1 INPUT 1 LINE INPUT - AUDIO INTERFACE 73 JR II SLOT 1 D.I. ACTIVATE LINE/D.I. SWITCH USB - COMPUTER OUTPUT 1 D.I. INPUT LINE INPUT - AUDIO INTERFACE... - Page 6 LINE Another popular use for the ´LINE´ mode is to insert the 73 JR II on an already recorded track ACTIVATE LINE SWITCH USB - COMPUTER LINE MONO OUTPUT - KEYBOARD OUTPUT 1 INPUT 1 LINE INPUT- AUDIO INTERFACE 73 JR II...
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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
This will reduce the input by 20 dB ahead of the input transformer. Condenser microphones don´t seem to work with 73 JR II. Make sure the red +48 V button is pressed in to activate the phantom power sent to the microphone. -
Page 9: Warranty Statement
LIMITED 2 YEAR WARRANTY Heritage Audio 73 JR II is warranted by Heritage Audio SL to be free from defects in materials and workmanship for the period of 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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