Content, Passeq, Introduction 3 – SPL PASSEQ Passive Mastering Equalizer for Pro Audio Applications (All Black) User Manual
Page 5: Technical aspects 4, The basics of frequency filtering 6, Installation 8, Cabling: rear side 9, Control elements 11, Recommendations on using equalizers 15, Specifications 16
Content
PASSEQ
Version 1.2 – 12 / 2017
2
Package Contents
2
Introduction 3
King of the passive equalizers
3
Technical Aspects
4
120 Volt Technology
4
120 Volt Technology - Diagrams
5
The Basics of Frequency Filtering
6
Filter Types
6
Shelf Filters
6
Peak Filters
6
Bandwidth 6
Passive EQs
7
Installation 8
Voltage Selection
8
First Steps
8
Cabling: Rear Side
9
XLR inputs and outputs
9
Control Elements
11
Layout of Control Elements
12
Frequency 12
LF+ and LF-
12
MF+ and MF-
13
HF+ and HF-
13
Q (HF+ Band)
13
Gain 14
Output 14
Channel Switch
14
Auto Bypass
14
Recommendations on using Equalizers
15
Basic Approaches and Working Techniques
15
EQ Yin & Yang
15
First cut, then boost
15
Specifications
16
Measurements 16
Security Advices
17
Contact 19