AltoメーカーAMX-120の使用説明書/サービス説明書
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12- CHANNEL MIXING CONSOLE AMX -120 User's Manual LTO R www .altoproaudio.com V ersion 1.4 Septemper 2005 English.
SAFETY RELA TED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol, wherever used, alerts you to the pre- sence of un-insulated and dangerous voltages with- in the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death.
2 Thank you very much L T O AUDIO TEAM PREF ACE Dear Customer: For the L T O AUDIO TEAM, music and audio are more than a profession, it is a passion and an obsession! We have, in fact, been designing professional audio products for a number of years in cooperation with many of the world's major brands.
3 T ABLE OF CONTENTS 1.INTRODUCTION...................................................................................................................................................4 2.FEA TURES........................................................
4 1. INTRODUCTION Thank you very much for expressing your confidence in L T O products by purchasing L TO AMX-120 mixing console. The AMX-120 is a professional compact mixer . Y ou will get the smooth, accurate more natural and open sound from this apparatus, and it is really ideal for small gigs, recording and fixed P A installations.
5 2. FEA TURES 2 MIC input channels with gold plated XLRs and balanced LINE input 8 stereo input channels with balanced TRS jacks Ultra-low noise discrete MIC pre-amps with +48V phantom power Extremel.
6 3. READY T O ST ART? 3.1 Please check the AC voltage available in your country before connecting your AMX-120 to the AC socket. 3.2 Be sure that the main power switch is turned off before connecting the mixer to the AC socket. Also, you should make sure that all Input and output controls are turned down.
7 4. CONTROL ELEMENTS L 0 -+ 1 5 8 BAL RIGHT LEFT LEVEL 0 -+ 1 5 8 BAL RIGHT LEFT LEVEL 0 -+ 1 5 8 BAL RIGHT LEFT LEVEL 0 -+ 1 5 8 BAL RIGHT LEFT LEVEL PEAK PA N RIGHT LEFT PEAK PA N RIGHT LEFT -+ 1 5.
8 1 2 5 1 4.1 MONO MIC/LINE Channels 2 48 V olt phantom power It is available only to the XLR Mic sockets. Never plug in a microphone when phantom power is already on. Before turning phantom power on, make sure that all faders are all the way down. In this way you will protect your stage monitors and main loudspeakers.
9 LOW This is the Bass control. Boost male voice or kickdrum and bass guitar . Y our system will sound much bigger than what it is. The gain range goes from -15dB to +15dB and the center frequency is 80 Hz.
10 14 -. +4dBu/-10dBV Switch Y our AMX-120 provides the gain select switch, which is used to adjust the sensitivity of line input on stereo channels. Line level are considered to be between 1V and 2V RMS (+2dBu ~ +8dBu) in professional equipment, peak levels may extend to over 10V RMS (+22dBu).
11 -. PHONES/CTRL ROOM Control This control sets the amount of signal sent to the control room and headphone. 23 4.7 PHONES This socket will send out the mix signal to a pair of headphones. 27 4.4 CTRL ROOM OUTPUT Connectors These 1/4" sockets are used to send the control room signal to the studio monitor speakers or a second set of P A.
12 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING: SHOCK HAZARD A VIS: RISQUE DE CHOC ELECTRIQUE - DO NOT OPEN - NE PAS OUVRIR SERIAL MODEL POWER ON OFF RA TED POWER CONSUMPTION: 11W PHANTOM 18V AC~ 29 2 30 4.9 REAR P ANEL Description - POWER ON/OFF Switch This switch is used to turn the main power ON and OFF .
13 T urn down all Input and output gain controls. Connect phantom powered microphones before switching on the +48V olt phantom power switch. If you have a power amplifier connected to your AMX-120 set the level of the amplifier at no more than 75%. what Now , set the CONTROL ROOM/PHONES level at no more than 50%.
14 5.1 Audio Connection Both XLR and 1/4 " TRS connectors are available on the unit. In this way you can interface the unit in several different ways without experiencing any noise or signal loss.
15 6. FOR THE EXPERTS WHO W ANT T O KNOW MORE Modification on mono and stereo channels Before Disconnect the POST route AUX (PRE) POST After AUX (PRE) POST Solder the PRE route As we have told you previously in this manual, the AUX SEND control both on mono and on stereo channels is factory wired as POST -F ADER.
16 7. BLOCK DIAGRAMS 1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A MONO INPUT CHANNELS ( 1-2 ) 2 1 3 MIC IN +48V 3-BAND EQ 12K 2.5K 80 SG/OL LEFT-BUS RIGHT-BUS AUX-1 STEREO INPUT CHANNELS (3-10) AUX.
17 8. TECHNICAL SPECIFICA TION Mono input channels Stereo input channels Impedances Equalization Microphone input electronically balanced, discrete input configuration Frequency response 10Hz to 55kHz, + 3dB Distortion (THD & N) 0.
18 9. W ARRANTY 1. W ARRANTY REGISTRA TION CARD T o obtain Warranty Service, the buyer should first fill out and return the enclosed W arranty Registration Card within 10 days of the Purchase Date.
NF -1.4 01656 No. 1, Lane 17, Sec. 2, Han Shi West Road, T aichung 40151, T aiwan http://www .altoproaudio.com T el: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 c All rights reserved to AL T O. All features and content might be changed without prior notice.
デバイスAlto AMX-120の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Alto AMX-120をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはAlto AMX-120の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Alto AMX-120の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Alto AMX-120で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Alto AMX-120を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はAlto AMX-120の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Alto AMX-120に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちAlto AMX-120デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
