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AudioConnect
User Manual
Listen, Inc. 580 Harrison Ave, Suite 3W, Boston, MA 02118
Tel: (617) 556-4104
PN: 8090 Rev 030519
PN: 8090 REV 092016
Sales: sales@listeninc.com
AUDIOCONNECT USER MANUAL
AUDIOCONNECT USER MANUAL
© COPYRIGHT 2009-2019 LISTEN, INC.
© COPYRIGHT 2014-2016 LISTEN, INC.
Tel: (617) 556-4104
Listen, Inc. 580 Harrison Ave, Suite 3W, Boston, MA 02118. Tel: (617) 556-4104.
Web: www.listeninc.com Sales: sales@listeninc.com Support: support@listeninc.com
Fax: (617) 556-4145
Support: support@listeninc.com
Listen, Inc. 580 Harrison Ave, Suite 3W, Boston, MA 02118
Fax: (617) 556-4145
Sales: sales@listeninc.com
TM
Web: www.listeninc.com
Web: www.listeninc.com
Support: support@listeninc.com
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Table of Contents
Summary of Contents for Listen AudioConnect Series
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Page 1: User Manual
Listen, Inc. 580 Harrison Ave, Suite 3W, Boston, MA 02118 Tel: (617) 556-4104 Fax: (617) 556-4145 Web: www.listeninc.com Listen, Inc. 580 Harrison Ave, Suite 3W, Boston, MA 02118. Tel: (617) 556-4104. Sales: sales@listeninc.com Support: support@listeninc.com Web: www.listeninc.com Sales: sales@listeninc.com Support: support@listeninc.com... - Page 2 Rev 030519...
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Page 3: Table Of Contents
Contents Contents............. i Limited Warranty. - Page 4 Page Intentionally Left Blank AudioConnect Manual Contents...
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Page 5: Limited Warranty
Limited Warranty LISTEN, Inc., a Massachusetts Corporation, having its principal place of business at 580 Harrison Ave, Suite 3W, Boston, MA 02118 ("Manufacturer") warrants its AudioConnect products (the "Products") as follows: 1. Limited Warranty. Manufacturer warrants that the Products sold hereunder will be free from defects in material and workmanship for a period of one (1) year from the date of purchase. - Page 6 Page Intentionally Left Blank AudioConnect Manual Limited Warranty...
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Page 7: Introduction
Introduction The AudioConnect USB audio interface is designed to meet the majority of audio test and measurement needs. It is specifically designed for audio and electroacoustic test and measurement. It offers two channels of analog input and output as well as two channels of digital I/O, USB control, and a power indicator. All other typical sound card controls that are not used for audio test applications have been eliminated. - Page 8 Page Intentionally Left Blank AudioConnect Manual Introduction...
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Page 9: Installation
Important! SoundCheck 14 or later is required to control AudioConnect. NI Visa NI Visa is required for Listen Hardware such as: AmpConnect, AudioConnect and SoundConnect 2. It is automatically installed with the SoundCheck installer for Windows and must be manually installed for Mac Hardware Editor Default values for the SoundCheck Hardware Editor are shown below. -
Page 10: Windows Mixer Settings
Windows Mixer Settings Click on: Start > Control Panel > Hardware and Sound > Manage Audio Devices Double click on AudioConnect under the Recording and Playback tabs. The Windows audio mixer must be set to 100% for both Level and Balance as shown in Figure 2-2. -
Page 11: Headphone Amp Calibration
Calibration editor and create a correction curve for both amp channels. AudioConnect must be set to Line In before running the calibration procedure. You can do this in the Hardware Editor - Listen Hardware - Startup Defaults or from an Offline Message Step (select AudioConnect.MES template). -
Page 12: Calibration Procedure
Calibration Procedure 1. Open the Calibration Editor as shown in Figure 3-3 2. In the Output Signal Path field select Headphone Amp L (default name) 3. Under Calibrated Output Device, Click Add and enter the name for the device: AudioConnect Headphone Amp L.dat 4. -
Page 13: Operation
The Hardware Editor Startup Default and the AudioConnect Message Step settings panels are the same. Open the AudioConnect Message Step in the sequence editor. Listen Hardware is selected on the first page of the Message Editor as shown in Figure 4-2. -
Page 14: Analysis
Polarity tests using the headphone out will need to be adjusted accordingly. Polarity Limits may need to be changed from a Lower Limit of 0 to an Upper Limit of 0. Input Monitor - Used to listen to the Input of the audio interface. Use this setting when verifying the ... -
Page 15: Front Panel
Figure 4-4: Front Panel Mic In Microdot (10-32 female RF) connector A constant voltage bias can be supplied for Listen, Inc. SCM Microphones as well as other compatible electret-based measurement microphones. Open Circuit Bias Voltage: 10 VDC ... -
Page 16: Back Panel
AudioConnect chassis. Power In Connector 24 VDC 0.5 A Use only the approved DC supply provided by Listen, Inc. Recommended Cable Length All cables used for AudioConnect should be no longer than 3 meters (9.9 feet) ... -
Page 17: Connection Diagram
Connection Diagram Loudspeaker Test using AudioConnect and SC Amp AudioConnect connected to the SoundCheck computer via USB SCM Microphone connected to Mic In 1 of AudioConnect SoundCheck Message Step used to assign AudioConnect channel settings. See SoundCheck Control on page 7. -
Page 18: Balanced Vs Single Ended Connections
Balanced vs Single Ended Connections AudioConnect accepts both Balanced and Single Ended (Unbalanced) connections. BNC and RCA connections are both typically single ended. As noted under 3, when a Single Ended Output Balanced vs Single Ended Vp Values on page connection is used, the Vp value for that channel of the Hardware Editor should be half the value used for a Balanced connection. -
Page 19: Block Diagram
Block Diagram AudioConnect Manual Block Diagram... - Page 20 Page Intentionally Left Blank AudioConnect Manual Block Diagram...
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Page 21: Connect Series Hardware Shelf Mounting Instructions
Connect Series Hardware Shelf Mounting Instructions The Connect Series of instruments from Listen, Inc. can be rack mounted using the Hardware Shelf Kit, p/n 4901. Four devices can be mounted on the shelf as shown. Each Connect Series device is attached to the shelf with four, 4-40 x 1/4”... - Page 22 page intentionally left blank AudioConnect Manual Connect Series Hardware Shelf Mounting Instructions...
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Page 23: Specifications
Specifications Line In Flatness 20 Hz - 20 kHz +0.1/-0.25 dB Frequency Response -3.0 dB, < 5 Hz to > 20 kHz Maximum Input Voltage 11.4 Vp @ 0 dB Gain Input Impedance 88 kΩ - Balanced, 44 kΩ - Single Ended Selectable Gain + 0.02 dB, 0 dB or +20 dB Noise (at input) - Page 24 Headphone Output Flatness 20 Hz - 20 kHz +0.1/-0.3 dB Frequency Response -3.0 dB, < 5 Hz to > 20 kHz Source Impedance 600 mΩ @ 1 kHz Continuous Output Power 65 mW into 32 Ω, 116 mW into 16 Ω, @ 1 kHz THD+N @ 1 kHz, 10mW into 20 Ω...
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Page 25: Equipment Ratings
Equipment Ratings Normal Environmental Conditions AudioConnect may be used under the following environmental conditions: Indoor use only Altitudes up to 2,000 m Temperatures between 0 °C to 40 °C Maximum relative humidity 80% Within the main supply voltages listed on the supplied or approved AC power adapter ... -
Page 26: Declaration Of Conformity
Declaration of Conformity Declaration of Conformity AudioConnect Manual... -
Page 27: Contact Information
Contact Information Contact the Listen office at 617-556-4104, Monday thru Friday, between 9 AM and 5 PM EST. Sales - sales@listeninc.com Technical Support - support@listeninc.com 580 Harrison Ave, Suite 3W • Boston, MA 02118 • 617-556-4104 • Fax 617-556-4145 • www.listeninc.com ©...
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