User`s Manual - Alto Professional
Contents
1. CAUTION CAUTION la RISK po ird REPLACE WITH THE SAME TYPE FUSE AND RATING DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE AVIS RISQUE DE CHOC ELECTRIQUE pas ouvrir MAIN MIX OUTPUT CONTROL BAL UNBAL ROOM OUTPUT RIGHT LEFT asn iuo os __I LEFT LEFT AC INPUT i EUROPE 210 240V 50Hz i FuseT250mAL RIGHT RIGHT UK Aust 100 120V 60H 240V 50H 120V s 26 Fuse T500mAL Fuse T250mAL 27 25 POWER This switch is used to turn the Main Power ON and OFF 4 PHANTOM This switch will apply 48 Volt Phantom Power only to the 5 XLR microphone inputs Never connect microphones when the Phantom Power is on already 26 AC INLET WITH FUSE HOLDER Use it to connect your S 8 to the Main AC with the supplied AC cord Please check the Voltage available in your Country and make sure the voltage is identical to the values marking on the product Replace the fuse with the same type by the qualified personnel only 27 MAIN MIX OUTPUT This stereo output is supplied both with XLR and 1 4 jack socket and it is controlled by the Main Mix Level on the front panel It will send the audio signal to an amplifier The output level can be varied from to 15dB 28 CONTROL ROOM OUTPUT These 1 4 phone sockets will be used to send the signal to Studio Monitor speakers or to a second set of PA 40 5 INS2. T Nee Se AU VXnv OL X43 2 NUNLIY 15 yor 608 X ee MER 5 do sf NOOY TOYLNOD ray 1 t 2 i Ta E T Pj lt n 2 i m d i AB 114110 S3NOHd eum i Rye oa Al Ve nv XNV 16 z P tom 1095 Xi C oo f V uxnv WOO THLO OL MLZ 4 L 4 SEIEN i 1no3dVl Ni3dvi 2 iE ps van ee Pet i T 1 i ba 2 XIN OL MLE SNEHOM 08 E AHO Lp 1 am NH AU i LED e 9 01 i tox H x fum gt va awat TER sexes y ix i A mr A al gt 8 5 STANNWHO 1ndNI 035315 SPSt 8PSL JAISLL NI INIT 2 4 5 95 8 09 0 a Xx RT i 7095 N 100 T SSVd IH oS pen zanasxnv m E Em 1 GNVEt o r Sa 4 4 4 4 WOLNVHd quas xnv o NIS 9 1 STANNVHO LNdNI ONOW Microphone input Electronically balanced discrete input configuration Distortion THD amp N 0 005 at 4dBu 1kHz SNR Signal to Noise Ratio 115dB Frequency response 10Hz to 55kHz Sensitivity range 15dBu to 45dBu Line input Balanced Distortion THD amp N 0 005 at 4dBu 1kHz Microphone input 1 4kOhm other inputs 10kOhm or
3. Protective Ground Terminal mains Alternating Current 4 Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off CAUTION Describes precautions that should be observed to prevent damage to the product 1 Read this Manual carefully before operation 2 Keep this Manual in a safe place 3 Be aware of all warnings reported with this symbol 4 Keep this Equipment away from water and moisture Clean it only with dry cloth Do not use solvent or other chemicals Do not damp or cover any cooling opening Install the equipment only in accordance with the Manufacturers instructions ol o Power Cords are designed for your safety Do not remove Ground connections If the plug does not fit your AC outlet seek advice from a qualified electrician Protect the power cord and plug from any physical stress to avoid risk of electric shock Do not place heavy objects on the power cord This could cause electric shock or fire Unplug this equipment when unused for long periods of time or during a storm Refer all service to qualified service personnel only Do not perform any servicing other than those instructions contained within the User s Manual 10 10 prevent fire and damage to the product use only the recommended fuse type as indicated in this manual Do not short circuit the fuse holder Before replacing the fuse make sure that the product is OFF and di
4. ALTO warrants that this product will be free from any defects in materials and or workmanship for a period of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product directly from the retail dealer and it can not be transferred 3 3 During the warranty service A LTO may repair or replace this product at its own option at no charge to you for parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions Instead of operating in accordance with the user s manual thoroughly any abuse or misuse of this product Normal tear and wear The product has been altered or modified in any way Damage which may have been caused either directly or indirectly by another product force etc Abnormal service or repairing by anyone other than the qualified personnel or technician And in such cases all the expenses will be charged to the buyer 3 5 In no event shall A LTO be liable for any incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages so the above exclusion or limitation may not apply to you 3 8 This warranty gives you the specific rights and these rights are compatible with the state laws you may also ha
5. Sirera E du rated e 3g READY TO STAR eases RO pena ERR ME rex FRE e 4 CONTROL ELEMENTS irren n rer er prb e ie eo nera 3 5 INSTALLATION AND 12 6 FOR THE EXPERTS WHO WANT TO KNOW 14 7 BLOCK DIAGBAM itte reden tr ae E ERE 15 8 TECHNICAL SPECIFICATION sss 16 WARRANTY agian nite o ed 17 1 INTRODUCTION Thank you for choosing the A LTO 5 8 8 Channel Mixing Console which is the result of our A LTO AUDIO TEAM s endeavours For the A LTO AUDIO TEAM music and audio is 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 The A LTO line represents unparalleled analogue and digital products made by musicians for musicians With our design centres in Italy the Netherlands and the United Kingdom we provide you with world class designs while our software development teams continue to develop an impressive range of audio specific algorithms By purchasing our A LTO products you become the most important member of our A LTO AUDIO TEAM We would like to share with you our passion for what we design and invite you to make suggestions which will aid us in deve
6. cae sockets If you connect only the left jack the input will operate in mono mode 048 6048 The 3 BANDS EQUALISER A 3 band equaliser is provided for all input channels with a wide range of frequency adjustment amp HI 0 This is the Treble control You can use it to O pam get rid of high frequency noises or to boost By s the sound of cymbals or the high harmonics of the human voice The gain range goes Osto from 15dB to 15dB with a centre 12 o 12 frequency of 12 kHz O E 7 MID a a This is the Midrange control It can affect most fundamental frequencies of all musical instruments and human voice An attentive use of this control will give you and very wide panorama of sound effects The gain range goes from 12dB to 12dB and the centre frequency is 2 5 kHz 8 LOW This is the Bass control Boost male voice or kickdrum and bass guitar Your system will sound much bigger than what it is The gain range goes from 15dB to 15dB and 5 4 the centre frequency is 80 Hz 3 OX 8 o a a PRE e 8 a LEFT RIGHT 0 4 CONTROL ELEMENTS 6 9 AUX SENDS These two controls will send the audio signal out to Auxiliary busses AUX 1 is configured as PRE FADER It means that the signal is sent out before reaching the main Fader This will be used for stage monitors AUX 2 is configured as POST FADER therefore the audio
7. signal will be affected by the Main Channel Fader This will be used for effects and sound processors However Aux 2 can also be configured as Prefader through any internal modification Please see MODIFI CATIONS later in this Manual m HI 12kHz MID 2 5kHz LOW 80Hz OOO a a Qu D aS x amp a 10 PAN This is the PANORAMA control or balance control You can adjust the stereo image of the signal via this Control Keep this control in center position and your signal will be positioned in the middle of stage Turn this control fully counterclockwise and the signal 9 POST PRE 8 a E z E will be present only on the left speaker and vice versa LEFT RIGHT Of course a wide number of intermediate positions is 0 11 available oy 11 PEAK 3 12 Inside your 5 8 the audio signal is monitored in several different stages and then sent to the PEAK Led When this Led blinks it warns you that you are reaching signal saturation and possible distortion The PEAK Led will blink with a level that is 6dB before actual clipping 12 LEVEL This Control will adjust the overall level of this channel and set the amount of signal sent to the Main output 4 CONTROL ELEMENTS 18 INSERT Insert points are provided for CHANNEL INSERT the Mono Mic Channels When PRE FADER PRE EQ TIP SEND RING RETURN you insert a jack in the insert socket the signal will b
8. A MUSIC PASSION DESIGN User s Manual 8 8 CHANNEL MIXING CONSOLE TRACK WOUT 1 OQa 5 8 wars consore o 90 FSD 2 to u mm 6 ume 7 b 5 x Pr e 9 B fg 3 1197579 le je h g 8 8 2 000 000000 9 Te LI 1 1 E i i H UTR 4000060000006 Srereseerscrs 2600000000006 www altoproaudio com Version 1 2 Aug 2008 English IMPORTANT SAFETY INSTRUCTION CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING To reduce the risk of electric shock and fire do not expose this equipment to moisture or rain TO REDUCE THE RISK OF ELECTRIC SHOCK PLEASE DO NOT REMOVE THE COVER OR THE BACK PANEL OF THIS EQUIPMENT THERE ARE NO PARTS NEEDED BY USER INSIDE THE EQUIPMENT FOR SERVICE PLEASE CONTACT QUALIFIED SERVICE CENTERS A This symbol wherever used alerts you to the presence of un insulated and dangerous voltages within the product enclosure These are voltages that may be sufficient to constitute the risk of electric shock or death This symbol wherever used alerts you to important operating and maintenance instructions Please read
9. AK Led blink only occasionally Now repeat the same sequence for all input channels The Main Led Meter could move up into the red section In this case you can adjust the overall output level through the MAIN MIX control 5 INSTALLATION AND CONNECTION Ring Right Signal Sleeve TP Ring Strain Clamp Tip Left Signal Sleeve Ground Screen Use for Headphone Stereo Return 1 4 Stereo TRS Jack Plug Sleeve Tip Strain Clamp Tip Signal Sleeve Ground Screen Use for Mono Line In Mono 1 4 Jack Plugs 1 4 Mono TS Jack Plug Ring Return Signal Tip Sleeve Ring Strain Clamp Tip Send Signal Sleeve Ground Screen Use for Pre Gain Channel Inserts 1 4 Stereo TRS Jack Plug N i Hot 1 Ground Screen 2 Hot 1 Ground Screen C 3 Cold 3 Cold Use for Balanced Mic Inputs Use for Main output For unbalanced use connect pin 1 to 3 For unbalanced use leave pin 3 unconnected 3 pin XLR Male Plug 3 pin XLR Line Socket seen from soldering side seen from soldering side 5 INSTALLATION AND CONNECTION Ring Return Signal Connected together To Channel Insert Sleeve Ground Screen Tip Signal To Tape or FX Input Sleeve Ground Screen Tapped Connection Direct Output Lead Enables the Insert to be used as a Direct Output while maintaining the channel s
10. CUT T5Hz T5Hz T5Hz 75Hz 18dB Oct 18dB Oct 18dB Oct 18dB Oct 0 9 0 0 0 0 0 O76 0 16 O76 Q HI HI HI HI HI HI D o D 77 Pg 27 8 2 M8 AUX gt Par RETURN PHONES RE MID MID MID MID MID MID Q 2 5kHz Q 2 5kHz Q 2 5kHz Q 2 5kHz Q 2 5kHz Q 2 5kHz C2 e Q9 12 o H2 AZ 0 42 AZ 0 12 12 0 2 AZ g 2 AZ o 2 EFX TO AUX1 CONTROL ROOM Q Q Q D Q si Q si Q sd 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz ZIKTOMX PHANTOM 4b 5 4PC ns 4b 5s a Us 4b s 0 9 0 2 0 0 L cur r 1 AUX 1 AUX 1 AUX 1 AUX 1 AUX 1 AUX 9 10 9 PRE PRE PRE PRE PRE PRE e 7 Sas 650 297 gt g M5 gt a os gt g o5 9 0 2 2 2 2 2 2 POST POST POST POST POST POST 0 4 PRE PRE PRE PRE PRE PRE 9209 IUS IUS rae IUS IUS 25 gt gt gt gt ra BAL BAL 0 0 209 9 LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT LEFT RIGHT OUTPUT LEVEL 0 Q9 0 9 0 9o 0 9 o 0 0 O n j Ms 52 MOMS X CUM Ms 577 SM LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL MAIN MIX LEVEL 1 2 3 4 5 6 7 8 4 CONTROL ELEMENTS 6 4 The Mono MIC LINE Channels These are Channel 1 through Channel 4 You can connect balanced low impedance micro phones to the XLR socket On the 1 4 phone jack you can connect either a microphone or a line level instrument You shall never connect an un
11. START 3 1 Please check the AC Voltage available in your Country before connecting your S 8 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 This will avoid damages to your speakers and avoid excessive noise 3 3 Before turning on the S 8 you shall connect it to a power amplifier and urn on the mixer BEFORE the power ampifier Once you have finished your working session you shall turn the mixer off AFTER the power amplifier 3 4 Before disconnecting the 5 8 always turn off the Power switch 3 5 Do not use solvents to clean your S 8 A dry and clean cloth will be OK FRONT PANEL 4 CONTROL ELEMENTS MIC 1 MIC 2 MIC 3 4 STEREO AUX RETURN RIGHT LEFT MONO 1 AUX SEND 2 TRACK IN OUT Mro S 8 8 CHANNEL MIXING CONSOLE TAPE OUT LINE IN 1 TRIM 1508 4508 LINE E LINE IN 2 TRIM 1548 A5dB LINE BALOR UNBAL LINE IN 3 TRIM 15dB 4508 LINE BALOR UNBAL LINE IN 4 TRIM 1508 A5dB LINE LINE IN 5 6 LINE IN 7 8 LEFT MONO MIC TRIM LEFT MONO 048 60dB MIC OdB 604 048 604 MIC 048 6048 RIGHT PHONES LOW CUT LOW CUT LOW CUT LOW
12. TALLATION AND CONNECTION 6 Ok you have got to this point you are now the position to successfully operate your S 8 However we advise you to read carefully the following section to be the real Master of your own Mix Not paying attention enough to the Input signal level to the routing of the signal and the assignment of the signal will result in unwanted distortion a corrupted signal or no sound at all So you should follow this procedure for every single channel Turn down all Input and Output Gain Controls Connect phantom powered microphones before switching on the 48Volt Phantom Power switch If you have a power amplifier connected to your 5 8 set the Level of the amplifier at no more than 7096 Now set the CONTROL ROOM PHONES level at no more than 50 In this way you will be able to hear later what you are doing connecting a pair of headphones or a pair of powered studio monitor speakers Position MID and LOW controls on middle position Position panoramic PAN control on centre position With a headphone or studio monitor speakers connected apply a Line Level input signal so that the PEAK Led does not light up At this point increase the input gain so that the PEAK led will blink occasionally In this way you will maintain good headroom and ideal dynamic range Now connect a microphone and ask the singer to sing loud into the microphone Turn slowly the Gain Control clockwise and have the PE
13. balanced microphone to the socket if you do not want to damage both the Micro phone and the Mixer R 2 Input Level Setting e This Control is provided with 2 different indication rings One is for the Microphone and the other for the Line levels When you EINEN Y use a microphone you shall read the outside TRIM ring 0 60 dB When you use a Line level tw instrument you shall read the INSIDE ring 15dB 4548 LINE 4 15 45 dB For optimum operation you OB LOW CUT shall set this control in a way that the peak CONS LED will blink also occasionally in order to avoid distortion on the input channel Low cut Filter By pressing this button you will activate a 75 Hz low frequency filter with a slope of 18 dB per octave You can use this function to reduce hum and stage rumble when using microphones 4 48 Volt 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 POWER PHANTOM 4 CONTROL ELEMENTS 6 5 STEREO INPUTS These are Channel 5 through 8 They are organised in stereo pair 5 amp 8 pair LINE IN 5 6 LINE IN 7 8 also features XLR Mic Input and they provided with 1 4 TRS phone
14. e taken out after the Input Gain Control cha CHS Hi Trim sent to an external processor such a compressor 13 limiter and returned into the channel strip immediately before the EQ section Of course these jacks used must be stereo Tip Send Ring Return MASTER SECTION 17 14 MAIN MIX LEVEL L This Control sets the amount A 18 of signal sent either to the 7 i RETURN es 20 Main Out socket or to the Q um C 2e 16 Tape Output 5 me 15 LED METER pets This stereo 12 segments Led 8 i 8 Meter will indicate the level of 8 3 8 the overall output signal S S 15 252 16 2 TRACK signal path 2 If you push down the 2TK TO E CONTROL ROOM button the 2 TRACK IN signal will be routed MAI Mix e into the Control Room output 14 4 CONTROL ELEMENTS and the level will be adjusted in level by the Control Room knob If you push down the 2TR TO MIX button the 2 TRACK IN signal will be routed into the MAIN output and will be adjusted in level by the MAIN MIX LEVEL knob 17 AUX RETURN The Auxiliary Return 1 and 2 are in fact two additional stereo Line inputs AUX RETURN 1 is configured to be assigned permanently to the Main Mix It operates in Mono Mode if you connect only the left jack The EFX TO AUX1 button is used to switch the signal from AUX RETURN 2 between MAIN MIX and AUX SEND 1 If a signal is routed to AUX RETURN 1 and no signal is connect
15. ed to AUX RETURN 2 depressing the EFX TO AUX 1 will route the signal to AUX SEND 1 which level will be controlled by AUX RETURN 2 Without doubt this feature will be very useful for you 18 PHONES CONTROL ROOM This Control sets the amount of signal sent to the Control Room and headphone 19 PHANTOM This LED indicates when the Phantom Power is switched on 20 POWER This LED indicates when the Power is on in your S 8 STEREO AUX RETURN AUX SEND 2 TRACK IN OUT RIGHT 22 RIGHT 4 CONTROL ELEMENTS 21 2 TRACK IN OUT Input Use the Tape input if you wish to listen to your Mix from a Taper Recorder or DAT You can assign the signal coming form the Taper Recorder either to a pair of studio monitor using the Control Room assignment on the front panel or you can also send the signal directly to the Main Mix Output These 1 4 TRS sockets will route the main mix into a tape recorder 22 STEREO AUX RETURN Use these stereo 1 4 phone socket to return the sound of an effect unit or sound processor to the Main Mix Alternatively you can use them as an extra auxiliary input 23 AUX SEND 1 and 2 These 1 4 phone sockets are used to send out the signal from the AUX Bus to external devices such as effects and sound processors PHONES 24 PHONES This socket will send out the signal mix to a pair of headphones 4 CONTROL ELEMENTS 6 REAR PANEL
16. greater All other output 1200hm Hi shelving 15dB 12kHz Low shelving 15dB 80Hz Main Mix Section Fader OdB all input channels assigned Max output 22dBu balanced XLR AUX Return gain range o to 15dB Power supply Europe 210 240V 50Hz Power Consumption 18W 210 240V T250mAL Physical Net weight 2 4Kg 5 2910 9 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 understanding of the sales status so as to provide a more effective and efficient after sales warranty service Please fill out all the information carefully and genuinely miswriting or absence of this card will void your warranty service 2 RETURN NOTICE 2 1 In case of return for any warranty service please make sure that the product is well packed in its original shipping carton and it can protect your unit from any other extra damage 2 2 Please provide a copy of your sales receipt or other proof of purchase with the returned machine and give detail information about your return address and contact telephone number 2 3 A brief description of the defect will be appreciated 2 4 Please prepay all the costs involved in the return shipping handling and insurance 3 TERMS AND CONDITIONS 3 1
17. ignal flow To Processor Input Sleeve Ground Screen Tip Tip Send Signal To Channel Insert Sleeve Ring Ring Return Signal To Processor Output Stereo lead for insert Connection To be used when the processor does not employ a single jack connection for the In Out Connections 6 FOR THE EXPERTS WHO WANT TO KNOW MORE As we have told you previously in this Manual the Aux Send 2 Control both on Mono and stereo channels is factory wired as POST FADER If you have some skill in electronic components soldering you can modify this setting and have all your AUX sends configured as PRE FADER Aux Aux PRE lt lt Solder the PRE route Disconnect POST the POST route POST Before After Modification on mono and stereo channels 7 BLOCK DIAGRAMS x os Te P 1 L emen 120 7 i er SNEH ET T 4 NH BE AS i i 1m i 12 ESI P 5 Hels ee wy X338 1451 B it
18. loping future products for you We guarantee you our commitment for quality continual research and development and of course the best prices The 5 8 is an extremely flexible ultra low noise 8 channel console configured with 4 mono and 2 stereo input channels each channel is equipped with a variety of key features including a warm natural sounding EQ Peak LEDs and PAN BAL control etc We would like to thank all the people who made the A 5 8 8 Channel Mixing Console possible especially to our designers and A LTO staff It is their passion for music and professional audio that has made it possible for us to offer you our most important team member our continued support 2 FEATURES 5 Input for Microphone and line provided with balanced 1 4 jack XLR Channel 5 features stereo Line input A 1 additional input for Line level signal provided with balanced TRS 1 4 jacks The Microphone preamplifiers are Ultra Low Noise and are provided with 48 Volt Phantom Power A Precise 3 bands graphic equalizer LOW MID and HI on each input channel A Pre fader and post fader Auxiliary bus A Single Led indicating signal Peaks on each input channel Low cut filter on all mono MIC channels 2 track input featuring RCA sockets assignable alternatively to each output group A 12 Segments Led Meter for optimum reading of the output signal Main Output and Control Room outputs are unbalanced type 3 READY TO
19. sconnected from the AC outlet 11 12 Dispose of this product should not be placed in municipal waste and should be separate collection Move this Equipment only with a cart stand tripod or bracket specified by the manufacturer or sold with the Equipment When a cart is used use e caution when moving the cart equipment combination to avoid possible injury from tip over Permanent hearing loss may be caused by exposure to extremely high noise levels The US Government s Occupational Safety and Health Administration QSHA has specified the permissible exposure to noise level These are shown in the following chart HOURS X DAY SPL EXAMPLE Small gig train Subway train High level desktop monitors Classic music concert A N08R00 0 5 110 0 25 or less 115 Rock concert According to OSHA an exposure to high SPL in excess of these limits may result in the loss of heat To avoid the potential damage of heat it is recommended that Personnel exposed to equipment capable of generating high SPL use hearing protection while such equipment is under operation The apparatus shall be connected to a mains socket outlet with a protective earthing connection The mains plug or an appliance coupler is used as the disconnect device the disconnect device shall remain readily operable IN THIS MANUAL 1 INTRODUCTION tht de 1 ei FEATURE
20. ve other statutory rights that may vary from state to state N SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan www altoproaudio com Tel 886 4 22313737 email info altoproaudio com Fax 886 4 22346757 All rights reserved to ALTO All features and content might be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2008 Seikaku Group
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