Contents
Important Safety Information | . . . .. 4 |
Hook Up | 5 |
Introduction | 6 |
Unique Features, Special Features | 6 |
Advantages of Passive Filtering, 72 passive Filters with 120 V Makeup Amplifiers, |
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Filter Types, Single Core Coils, Peak and Shelving Filters | 7 |
120 V Makeup Amplifiers, SPL SUPRA | 8 |
Lundahl Transformers, Other Features, Conclusion | 9 |
Rear Panel | 10 |
Rear Panel, XLR Pin Wiring | 10 |
Connections | 11 |
Power and Signal Connections | 11 |
Operation | 11 |
Power, Channel Switches, Layout of Operational Elements, |
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The most powerful passive EQ system ever made | 11 |
One Coil per Filter, one Core per Coil, Allocation of Frequencies, |
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Frequency Table/per Band | 12 |
Table: Allocation of Frequencies | 13 |
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Recommendations on using Equalizers | 16 |
Basic Approaches and Working Techniques, EQ Yin & Yang | 16 |
First control levels, then apply EQ, First cut, then boost, |
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Reducing bleed from other instruments or noise outside an instrument‘s |
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frequency range, Reducing bleed within an Instrument‘s frequency range, |
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Boosting harmonic frequency levels, Boosting fundamental levels | 17 |
Cutting fundamental levels, Emphasis of an instrument‘s main frequencies, |
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In the |
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Complementary filtering | 18 |
An overview of frequencies and examples for possible processing | 19 |
Classical instruments and their frequencies | 20 |
The Basics of Frequency Filtering | 21 |
Frequency and Energy, Tone and Sound, Sound Correction and Sound Design | 21 |
Frequency Filters, Filter Types, Shelf Filters, Peak Filters | 22 |
Bandwidth, Equalizer, Passive EQs, Schematic and block diagrams on passive filters | ..... 23 |
Active EQs, Parametric EQs, Graphic EQs | 24 |
Power Supply | 25 |
Specifications | 25 |
Guarantee & Product Registration | 26 |
Copy Master: Recall Settings | 27 |
Passeq | 3 |