Related Manuals for Alto EQU
Summary of Contents for Alto EQU
- Page 1 EQU Series User's Manual 15/31 Band Graphic Equalizer www.altoproaudio.com Version 1.0 April 2002 English...
- Page 2 SAFETY RELATED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure-voltage that may be su- fficient to constitute a risk of shock. This symbol ,wherever it appears ,alerts you to important operating and maintenance instructions in the accompanying literature .
- Page 3 Preface Dear Customer: Thanks for choosing LTO Graphic Equalizer and thanks for choosing one of the results of LTO AUDIO TEAM job and researches. 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 been designing professional audio products for a long time in cooperation with some of the major brands in the world in the audio field.
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Page 4: Table Of Contents
TABLE OF CONTENT 1. INTRODUCTION ...4 2. FEATURE LIST ...4 3. CONTROL ELEMENTS 3.1 The Front Panel 3.2 The Rear Panel 4. INSTALLATION & CONNECTION ...8 4.1 Mains Connection 4.2 Audio Connection - Wiring Configuration - In Line Connection - Insert Points Connection 4.3 Rack Mounting 5. -
Page 5: Introduction
Equalizers. With the EQU Series you have acquired an extremely musical and flexible Graphic Equalizer. The high-end EQU Series are based on many years of experience and are designed to provide a permanent precise equalization to the musician, performer, studio engineer and sound contractor. The EQU Series can be used wherever is requested to modify the frequency "... - Page 6 EQU131VU Front Panel EQU131VU 31.5 EQU231VU Front Panel 31.5 EQU231VU 31.5 EQU231LED Front Panel 31.5 Dual 31 Band Graphic Equalizer EQU231LED 31.5 EQU231TWIN Front Panel 31.5 Dual 31 Band Graphic Equalizer EQU231TWIN 31.5 1. Filter level controls Each one of these linear potentiometers will boost or attenuate (either 6dB or frequency at a preset bandwidth.
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Page 7: The Rear Panel
2. Level control This control sets the input signal level to the equalizer. Its "0dB" position is unity gain (no boost or attenuation). If the clip LED(5) is light continuously, turndown this control until it only flickers occasionally. 3. High pass filter This button electronically inserts a filter into the signal path, which cuts the low frequencies at 40Hz (12dB per octave). - Page 8 EQU2215 Rear Panel RISK OF FIRE-REPLACE FUSE AS MARKED MODEL SERIAL EQU131VU Rear Panel RISK OF FIRE-REPLACE FUSE AS MARKED MODEL SERIAL LIFT EQU231VU/ EQU231LED Rear Panel RISK OF FIRE-REPLACE FUSE AS MARKED MODEL SERIAL LIFT EQU231TWIN Rear Panel RISK OF FIRE-REPLACE FUSE AS MARKED MODEL SERIAL...
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Page 9: Installation & Connection
The EQU Series Graphic Equalizer can be used on a single instrument by connecting to a mixing console's main inserts, or on an entire mix "in-line" between a mixing console's outputs and a power amplifier. -
Page 10: In Line Connection
The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer. The EQU Series fits into one standard 19" rack unit of space, but the EQU131 and EQU215 will be 1H height, the EQU231TWIN will be 4H height, while the other four models: EQU2215, EQU131VU, EQU231VU and EQU231LED will be 2H height. -
Page 11: Application
5.1 The Sound Frequency In recording studios as well as stage or radio plays, the EQU Series Graphic Equalizer will be your valuable sound tool to modify the frequency "contour " of a sound .but first of all , you should clearify the typical frequency of each instrument and voice, so that can you obtain nice results in terms of sound characterization. -
Page 12: Equalizer In Sound Reinforcement Systems
Fix a track that does not sound quite right, put the EQU Series Equalizer in an effects send and return it to the mix bus. -
Page 13: Technical Specifications
6. TECHNICAL SPECIFICATIONS Type QU131 EQU215 EQU2215 EQU131VU EQU231VU / 231LED EQU231TWIN Slider travel Range Input connections Input impedance Maximum input level Output connections Output impedance Maximum output level Load impedance High pass filter Low pass filter Frequency response THD + N % S / N ratio Power supply Consumption... -
Page 14: Warranty
7. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better under- standing of the sales status, so as to purport a more effective and efficient after-sales warranty service.