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Orban Manuals
Stereo Equalizer
674A
Operating instructions manual
Orban 674A Operating Instructions Manual
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Operating manual
(54 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Specifications
Table of Contents
Installation and Operation
Introduction
Performance Highlights
Front Panel Description
Rear Panel Description
AC Power
Block Diagram
Mechanical Installation
Installation of Options
Balanced Output Transformer Installation
Electrical Installation
Input
Output
Wiring
Grounding
Typical Input/Output Connection Rules
Operating Instructions
Using the EQ Section
Using the Highpass and Lowpass Filters
Boost/Cut Curve Families
Using as an Electronic Crossover
Notes on Headroom
Specific Applications
Stereo Matching
Sound Reinforcement
House Tuning
Notch Filtering
Dance Bars
Full Electronic Crossover
Partical Electronic Crossover and Individual Driver Equalizer
Stage Monitors
Recording Studios
Motion Picture Sound
Broadcasting
Electronic Music
Maintenance
Performance Evaluation
Power Supply
Signal Processing Circuitry
Signal Passage Test
DC Offset
Distortion and Inverting Operation
Noise
Filter Sweep Tests
Equalizer Swept Response
Crosstalk
Alignment
Maintenance and Service
Preventive Maintenance
Access
Special Tools Required
General Access
Replacement of Bandwidth and Tuning Pots
Disassembly of EQ Board Assembly
Knob Removal
Sandwich Board
Disassembly of the Filter Section
Replacement of Components on Printed Circuit Boards
Troubleshooting IC Opamps
Factory Service
Shipping
Circuit Description
Input Buffer
Equalizer Sections
EQ In/Out Switch
Highpass Filter
Output Buffer
Lowpass Filter
Overload Indicator
Interconnections and Grounding
Parts List
Obtaining Spare Parts
Vendor Codes
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Operating Manual
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