Alto ACL2 Pro Manual do Utilizador

ACL2COMPRESSOR /LIMITER /GATEUser's ManualLTORwww.altoproaudio.comVersion 1.1 Septemper 2005English

94. READY TO ROLL?4.1 Expander/Gate SectionChart.3: Function of an expanderChart.4: SRC Curve characteristics of the Adaptive Expander4.1.1 Threshold

104.2.2 Ratio control4.2.3 Attack controlOutputThresholdGain 0 dBRatio 2:1Ratio 4:1Limiter :1InputChart.5: Ratio control characteristic of the compres

115. INSTALLATION AND CONNECTION5.1 Mains Connection5.2 Audio connection4.2.8 Gain Reduction eterMChart.6: The effect of a compressor can be expressed

12a. Wiring Configurationb. In Line ConnectionFor 1/4" Phone jackFor XLR connectorXLR Type Unbalanced XLR Type alancedBPin3 (-)Pin2 (+)Pin1 ( )(L

135.3 Rack ountingMThe most secure mounting is on a universal rack shelf available from various rack manufactures or your musicdealer. The ACL2 Compre

146. TECHNICAL SPECIFICATIONSAUDIO INPUTAUDIO OUTPUTCOMPRESSOR SECTIONGATE SECTIONDYNAMIC ENHANCER SECTIONFUNCTION SWITCHESINDICATORSPOWER SUPPLYDIMEN

157. BLOCK DIAGRAMChart.8: Block diagram of the ACL2SIDECHAINAUDIOINPUTSERVO-BALANCEDINPUTSTACEDIFF-AMP LDYNAMICENHANCERPROCESSVCAOUTPUTDRIVEROUTPUTAU

168. WARRANTY1. WARRANTY REGISTRATION CARDTo obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Ca

NF01958-1.1No. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwanhttp://www.altoproaudio.com Tel: 886-4-22313737email: [email protected]

1SAFETY RELATED SYMBOLSCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENThis symbol, wherever used, alerts you to the pre-sence of un-insulated and dangerous v

2PREFACEDear Customer:For our LTO AUDIO TEAM, music and sound are more than a job...are first of all passion and let us say...our obsession!We have be

3TABLE OF CONTENTS1. INTRODUCTION...

1. INTRODUCTION4Feature List:The AUTO FunctionSmart Ratio Control expander (SRC)Smart Gain Control peak limiter (SGC)Attack and Release Controls:2.1 S

5Chart.1: The dynamic range capabilities of various devicesChart.2: The interactive relationship between the operating level and the headroom2.1.3 Mor

62.2 Voltage Controlled Amplifier (VCA)2.3 Inputs2.3.1 Take it easy: Balanced Inputs3. CONTROLSPic.1: Front panel layout of the ACL 2The ACL2 presents

7456879310Pic.3: Controls of the Compressor/Limiter section3.2 Compressor Section3. IN/OUT Switch4. THRESHOLD Control5. Ratio Control6. Attack Control

811. PROCESS control3.4 The Back Panel131215 14 16THIS IS SET FOR110V AC TO 120VAC OPERATIONTHIS IS SET FOR220V AC TO 240VAC OPERATION12. Fuse Holder