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Summary of Contents for Hear Technologies hear back
- Page 1 user guide...
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Page 2: Table Of Contents
- analog digital audio workstation recording studio large stereo system - analog stereo live - analog stereo live - digital hear back system accessories extreme extender adat in/out hearbuds & hearbud headset monitor cables other hear technologies products limited warranty... -
Page 3: System Description
• Excellent quality and audio fidelity HEAR BACK SYSTEM DESCRIPTION • High power - low distortion headphone amplifiers The basic Hear Back™ system consists of a hub and personal mixers. The hub receives any of • Very long interconnect without loss of audio quality the three input signals and converts them to •... -
Page 4: Hub Features
200 feet. Outputs not in use should be disconnected in distance, to the HearBus for transmission of up to 500 feet. at the hub. Use Hear Technologies Optical cables available in 6, 12, and MIXER RJ45 PINOUTS 25 foot lengths. -
Page 5: Mixer Features
If the indicator operates during normal program material the dynamic range and quality of sound will suffer. NOTE: Limiter should only be active when excessive signals are present. To set the limiter, see Hear Back Connecting and Calibration on page 6. Bi-Color Bus Status Indicator... -
Page 6: Line Outputs
Adjust the "more me" mono/stereo inputs 3-8 to the local mix, another Hear Back Mixer, creating a total of ten desired levels. Avoid adjusting the Master Volume too high channels controlled from your mixer. -
Page 7: System Block Diagram
SYSTEM BLOCK DIAGRAM HEAR BACK MIXER MASTER VOLUME 24 BIT D/A MONO/LEFT CONVERTER LINE OUT MIXER INPUT RCVR HearBus STEREO AUX IN 24 BIT D/A RIGHT LINE CONVERTER LINK MASTER/ MONO 3 - L LINK 3 - 4 LINK 3 - 4... -
Page 8: System Specifications
SYSTEM SPECIFICATIONS Aux Input Input Configuration/Impedance: Stereo, unbalanced, 10 Kohms typical Input Level: +4 dBu optimal, +22 dBu max Head Phone Power Load Impedance: THD less than 0.01%* THD less than 0.1% 8 Ohms: 150 mW* 230 mW *THD AT 8 Ohms = 0.015% typical 16 Ohms: 235 mW 500 mW... -
Page 9: Troubleshooting And Operating Tips
NOTE: The HearBus and mixer outputs contain high speed digital audio and should be treated as a transmission line. DO NOT "Y" these connections because the terminated controlled impedance will be comprised. The HearBus and mixer outputs operate at 12.28 MHz. If you need further assistance, feel free to contact Hear Technologies technical support at 1-256-922-1200. - Page 10 HOOK-UP DIAGRAM STUDIO A...
- Page 11 HOOK-UP DIAGRAM STUDIO B...
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Page 12: Church - Analog
HOOK-UP DIAGRAM CHURCH - ANALOG... -
Page 13: Digital Audio Workstation
HOOK-UP DIAGRAM DIGITAL AUDIO WORKSTATION... -
Page 14: Recording Studio
HOOK-UP DIAGRAM RECORDING STUDIO... -
Page 15: Large Stereo System - Analog
HOOK-UP DIAGRAM LARGE STEREO SYSTEM - ANALOG NOTE: Each hub gets the stereo mix and sectionals. Each master hub can have 31 hubs daisy-chained from it. -
Page 16: Stereo Live - Analog
HOOK-UP DIAGRAM STEREO LIVE - ANALOG... -
Page 17: Stereo Live - Digital
HOOK-UP DIAGRAM STEREO LIVE - DIGITAL... -
Page 18: Hear Back System Accessories
Extreme Extender ADAT IN may be connected to the System. optical output of any ADAT device, such as a DAW, mixer, etc. and connected to the input of a Hear Back hub. CAT5E cables are Optical cables available in 2, 12,... -
Page 19: Other Hear Technologies Products
QTI shall not be responsible for damage or loss of equipment during shipment. The following are registered trademarks of Hear Technologies: Hear Technologies, Hear Back, Talk Back, Extreme Extender, Hearbuds, HearBus, and the "Jack" logo. All names and marks of other companies belong to... - Page 20 Part No. LIT002420UG c 2002, Hear Technologies 12-2002...
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