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Фрагмент инструкции
To change, pull fuse-holder out and rotate 180 ,then push in again. 20. AC Inlet This connector is meant for the connection of the supplied main cord. Do not insert power cable into unit until voltage has been correctly set. Do not plug power cable into AC power until voltage has been correctly set. 4. INSTALLATION & CONNECTION 4.1 Mains Connection Please ensure that the EQU Series Graphic Equalizer is set to the correct supply voltage before plugging the power cord into the wall outlet , use the same fuse as marked on the fuse holder at the AC power connection socket. The mains connection of the EQU Series Graphic Equalizer is made by using the enclosed mains cable and a standard IEC receptacle. It meets all of the international safety certification requirements. 4.2 Audio Connection The EQU Series Graphic Equalizer presents with balanced XLR & 1/4" TRS and unbalanced RCA connectors, and it can be interfaced by several ways to support a variety of applications without any signal loss. 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. -Wiring Configuration Either the 1/4" TRS phone jack or the XLR connector can be wired in balanced and unbalanced modes, which will be determined by the actual application status, please wire your system as the following wiring examples: 1/4"TRS jack Unbalanced Input 1/4"TRS jack Balanced Input XLR Unbalanced Input XLR Balanced Input 8 -In Line Connection For these applications the EQU Series Graphic Equalizer provides 1/4" TRS connectors, XLR connectors and RCA connectors to easily interface with most any professional audio device. Follow the configuration examples below for your particular connection. Balanced Unbalanced TIP RING SLEEVE TIP RING SLEEVE TIP RING SLEEVE TIP SLEEVE TIP SLEEVE TIP RING SLEEVE TIP SLEEVE TIP RING SLEEVE SLEEVE RING TIP SLEEVE RING TIP SLEEVE TIP -Insert Points Connection If you are connecting to a mixing console's main inserts, you may have a single TRS jack for SEND & RETURN, in this case, use an insert "Y" cable that configured like the examples below. 1/4" TRS insert Insert Leads TIP RING SLEEVE TIP RING SLEEVE TIP RING SLEEVE SLEEVE TIP SLEEVE TIP Tip (Send) Tip Sleeve Ring Sleeve Tip (Return) Sleeve 1 2(Send) 3 Tip Ring 1 Sleeve 2(Return) 3 Centre(Send) Tip Screen Ring Sleeve Centre(Return) Screen 4.3. Rack Mounting 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. Please allow at least an additional 4" depth for the connectors on the rear panel. Be sure that there is enough air space around the unit for sufficient ventilation and please do not place the EQU Series on high temperature devices such as power amplifiers etc. to avoid overheating. Tip Ring Sleeve 1 2 3 Tip Ring Sleeve Tip Ring Sleeve Tip Sleeve 1 2 3 Tip Sleeve Tip Ring Sleeve Tip Sleeve Tip Ring Sleeve 1 2 3 Tip Ring Sleeve 1 2 3 1 2 3 1 2 3 1 2 3 Centre Screen Tip Sleeve Tip Ring Sleeve Centre Screen Centre Screen 1 2 3 9 5. 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. The tables on the following pages give you an idea of specific frequencies and their acoustic significance. Typical Frequency of Each Instrument and Voice CDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABC Hyman gearing range VOCAL 25 31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K1.6K 2K 2.5K 3.1K 4K 5K 6.2K 8K 10K 13K 16K 20K Soprano Contralto Baritone Bass WOODWIND Piccolo Flute Oboe Clarinet in B flat or A Clarinet in E flat Bass Clarinet Basset Hom Cor Anglais Bassoon Double Bassoon BRASS Soprano Saxophone Alto Saxophone Tenor Saxophone Baritone Saxophone Bass Saxophone Trumpet in C Trumpet in F Alto Trombone Tenor Trombone Bass Trombone Tuba Valve Hom STRINGS Violin Viola Cello Double Bass Guitar KEYBOARDS Pianoforte Organ PERCUSSION Celesta Timpani Xylophone Mid C 25 31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K1.6K 2K 2.5K 3.1K 4K 5K 6.2K 8K 10K 13K 16K 20K FREQUENCY 10 5.2 Equalizer In Sound Reinforcement Systems The EQU Series Graphic Equalizers can be used in the sound reinforcement systems to : Eliminate unwanted sounds, such as the 60Hz Hum noise. Shape the sound by changing the frequency response of the track. Special effects like telephone sounds are done by cutting off the low end to 200Hz a...