Behringer XR4400 manual Table of Content

MULTIGATE PRO XR4400

TABLE OF CONTENT

1. INTRODUCTION		6
1.1 Technical background		7
1.1.1 Noise as a physical phenomenon		7
1.1.2 What are audio dynamics?		7
1.1.3	Compressors/limiters	8
1.1.4	Expanders/noise gates	9

2. THE DESIGN CONCEPT		9
2.1	High quality components and design	9
2.2	Inputs and outputs	10
	2.2.1 Balanced inputs and outputs	10

3. INSTALLATION		10
3.1	Rack mounting	10
3.2	Mains voltage	10
3.3	Audio connections	10

4. CONTROLS			12
4.1	The front panel control elements		12
4.2	The rear panel elements		13
5. TECHNICAL BACKGROUND			14
5.1	EXPANDER mode		14
5.2	Interactive control functions		14
	5.2.1	THRESHOLD control	14
	5.2.2 Attack, release and hold times		15
	5.2.3 IAC circuit (Interactive Attack Control)		15
	5.2.4	RANGE function	15
	5.2.5 IRC circuit (Interactive Ratio Control)		16
	5.2.6	RATIO function	16
5.3	FLEXLINK function		16
5.4	The SIDECHAIN filter		17
	5.4.1	The MONITOR function	17
6. APPLICATIONS			17
6.1	Basic setting		17
	6.1.1	The gate function	17
	6.1.2	The expander function	19
6.2	Proper positioning of microphones		19
6.3	Applications		19
	6.3.1 Suppressing crosstalk in multi-track applications		19
	6.3.2 Reducing crosstalk in stage microphones		20
	6.3.3 Reducing feedback in stage microphones		20
7. SPECIFICATIONS			21
8. WARRANTY			22

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