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Stereo Equalizer
674A
Orban 674A Manuals
Manuals and User Guides for Orban 674A. We have
2
Orban 674A manuals available for free PDF download: Operating Instructions Manual, Operating Manual
Orban 674A Operating Instructions Manual (55 pages)
Brand:
Orban
| Category:
Stereo Equalizer
| Size: 5 MB
Table of Contents
Specifications
2
Table of Contents
3
Installation and Operation
5
Introduction
5
Performance Highlights
5
Front Panel Description
6
Rear Panel Description
7
AC Power
7
Block Diagram
7
Mechanical Installation
8
Installation of Options
8
Balanced Output Transformer Installation
9
Electrical Installation
9
Input
10
Output
10
Wiring
10
Grounding
10
Typical Input/Output Connection Rules
11
Operating Instructions
12
Using the EQ Section
12
Using the Highpass and Lowpass Filters
13
Boost/Cut Curve Families
13
Using as an Electronic Crossover
14
Notes on Headroom
14
Specific Applications
15
Stereo Matching
15
Sound Reinforcement
15
House Tuning
16
Notch Filtering
16
Dance Bars
17
Full Electronic Crossover
17
Partical Electronic Crossover and Individual Driver Equalizer
17
Stage Monitors
17
Recording Studios
18
Motion Picture Sound
19
Broadcasting
19
Electronic Music
20
Maintenance
21
Performance Evaluation
21
Power Supply
21
Signal Processing Circuitry
21
Signal Passage Test
22
DC Offset
22
Distortion and Inverting Operation
22
Noise
22
Filter Sweep Tests
23
Equalizer Swept Response
23
Crosstalk
23
Alignment
24
Maintenance and Service
24
Preventive Maintenance
24
Access
25
Special Tools Required
25
General Access
25
Replacement of Bandwidth and Tuning Pots
26
Disassembly of EQ Board Assembly
26
Knob Removal
26
Sandwich Board
26
Disassembly of the Filter Section
27
Replacement of Components on Printed Circuit Boards
28
Troubleshooting IC Opamps
29
Factory Service
29
Shipping
29
Circuit Description
30
Input Buffer
30
Equalizer Sections
31
EQ In/Out Switch
32
Highpass Filter
32
Output Buffer
32
Lowpass Filter
33
Overload Indicator
33
Interconnections and Grounding
35
Parts List
37
Obtaining Spare Parts
37
Vendor Codes
47
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Orban 674A Operating Manual (54 pages)
Brand:
Orban
| Category:
Stereo Equalizer
| Size: 1 MB
Table of Contents
Table of Contents
3
Introduction
5
Performance
5
Front Panel Description
6
AC Power
7
Block
7
Mechanical
8
Xlr
8
Electrical Installation
10
Input
11
Typical Input/Output
11
Wiring
11
Operating
12
Using the
13
Boost/Cut
13
Using the
14
Sound Reinforcement
15
Notch
15
Equalizer
15
Dance
15
Recording
18
Broadcasting
19
Motion
19
Electronic
20
Part C
21
Introduction
21
Performance
21
General
21
Power
21
Signal
21
Maintenance and
24
Preventive
24
Access
25
Shipping
29
Circuit
30
Input
30
Lowpass
30
Highpass
32
Overload
33
Power
33
Appendix
35
Driving the
35
Grounding
35
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Computer Hardware
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Stereo Equalizer
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