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Nilfisk-ALTO 3.4 - page 1
MAXIDRIVE3.4 3 W A Y STEREO DIGIT AL CROSSO VER User's Manual LTO R www .altoproaudio.com V ersion 2.4 September 2005 English ...
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Nilfisk-ALTO 3.4 - page 2
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. Protective Ground T erminal AC mains (Alternating Current) Haz ...
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Nilfisk-ALTO 3.4 - page 3
Dear Customer: PREF ACE Thank you very much L TO AUDIO TEAM 2 Thanks for choosing MAXIDRIVE3. 43-W a y Stereo Digital Crossover and thanks for choosing one of the results of L TO AUDIO TEAM job and researches. For our L TO 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 ...
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Nilfisk-ALTO 3.4 - page 4
T ABLE OF CONTENTS 1. INTRODUCTION ................................................................................................................................... 4 .. 2. FEA TURES .............................................................................................................................................4 3. CONTROL ELEMENTS .. ...
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Nilfisk-ALTO 3.4 - page 5
1. INTRODUCTION 2. FEA TURES 3.1 The Front Panel 3. CONTROL ELEMENTS 4 Single rack unit Delay lines up to 2.5s for each input and up to 300ms for each output Stereo digital input in AEX/EBU format A/D and D/A converters for a 1 17dB dynamic range Slot for a memory card for the storage of more presets and an easier upgrade of other units 10 Factory ...
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Nilfisk-ALTO 3.4 - page 6
5 8.ENTER key The key allows you to access to the selected editing . P ou can edit and confirm value of parameter . page ressing this key , y the required 10.Input Level LEDs The LEDs are used to indicate the level of input A/B. In order to get an up-front distortion-free signal, you keep the signal quite high, but do assure that the red CLIP LED d ...
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Nilfisk-ALTO 3.4 - page 7
6 4. GETTING ST ARTED 4.1 Configuration of the system Meanwhile, the system will restore the exact operating conditions at the time of switching off. 16.RS485 OUT This is the standard serial communication interface port. It allows outgoing communication between a MAXI- DRIVE3.4 and PC or other MAXIDRIVE3.4 units. The RS485 interface is very suitabl ...
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Nilfisk-ALTO 3.4 - page 8
7 And the system Will enter into default status, showing the main operating information on the display . Load the containing the you've found. Factory PRESET configuration Press the Key until the menu LED lights up. MODE PRESET The display will show the page: Load PRESET Set all the MAXIDRIVE3.4 outputs in status (LEDs lit) by pressing the rel ...
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Nilfisk-ALTO 3.4 - page 9
8 4.3 First Setup checks Disable the MUTE function on the outputs you intend using and listen the sound, carry out instrumental (if you have the necessary equipment) and any corrections required. 4.4 System configuration The bold letters indicate the inputs: A = Input A B = Input B S = SUM (sum of inputs A and B) 2 U 2x 2 W +2 M A X A13 B 24 S5 6 I ...
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Nilfisk-ALTO 3.4 - page 10
9 Numbers and indicate the respective outputs. 1, 2, 3, 4, 5 6 In the example: The signal connected to Input is assigned to outputs and . A1 3 The signal connected to Input is assigned to outputs and . B2 4 The of the signal on inputs and is assigned to outputs and . S u m AB 56 The system is therefore configured as shown in the following diagram. ...
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Nilfisk-ALTO 3.4 - page 11
10 4.8 PRESET Modifications 4.9.System Protection 5.THE MENU MAP CONFIGURA TION DESCRIPTION 5.1.Preset Menu Load Preset Store Preset Dump Out Preset Incoming Dump menu PRESET U 2x 2 W +2 M A X A13 B 24 S5 6 2 M U 2x 2 W +2 A X A13 B 24 S5 6 2 T U 2x 2 W +2 M A X A13 B 24 S5 6 2 P This indicates that the value of one or more parameters has been temp ...
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Nilfisk-ALTO 3.4 - page 12
11 There are 3 distinct categories of PRESETS: User PRESETS Card PRESETS 5.1.1 Load PRESET This menu page allows the required PRESET to be loaded and made operatively . T o load a PRESET : Use the to reach the required PRESET . DIAL 10 Factory PRESETS, 64 User PRESETS and 128 Card User PRESETS are available. the display shows the following message: ...
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Nilfisk-ALTO 3.4 - page 13
5.1.2 Store & Naming PRESET Use this menu to create new PRESETS, i.e. to save all the current system settings. T o save a PRESET : Press The page appears, by means of which it s possible to edit the name of the ENTER. PRESET Naming PRESET to be saved. remains unvaried. The name of the start PRESET (i.e. of the PRESET currently loaded) is propos ...
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Nilfisk-ALTO 3.4 - page 14
5.1.3 Dump Out PRESET T o download a PRESET : Use to reach the required PRESET . DIAL Press ENTER. Note: The menu page remains unchanged to allow other to be dumped. PRESETS All the Preset s data (name, configuration, parameter values, etc.) are immediately transmitted to the units connected to the serial ports (other , computers, etc.). MAXIDRIVE3 ...
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Nilfisk-ALTO 3.4 - page 15
5.2.Delay Menu Use this menu to work on the systems delay lines. The practical differences between and Delay Input Delay Output A Delay is only a processor by means of which a signal is deliberately delayed by a programmable length of time. From a technical point of view , the Delays applied to the inputs and outputs are equivalent. Nevertheless, t ...
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Nilfisk-ALTO 3.4 - page 16
Output Delay only delays the signal of a specific output. Also called Channel Delay , output delay is mainly used to compensate for the distance between different blocks of the same sound system (for example clusters) or to correct internal alignment of a speaker enclosure components. 5.2.1 Input Delay Use this menu page to adjust the delay lines o ...
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Nilfisk-ALTO 3.4 - page 17
16 The values can be set in the following ranges: The values can be set in the following ranges: 5.3 Edit menu The values can be set in the following ranges: menu EDIT Input Gain Input EQ Xover Output EQ Output Gain Output Pol. Output Limiter Parameters Parameters Parameters Parameters Parameters Parameters Parameters In these pages, the number of ...
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Nilfisk-ALTO 3.4 - page 18
17 Allows to adjust the amplification of the signal fed in through Inputs A and B. Editing values are in the range +6dB ~ -30dB, with 0.5dB steps. 5.3.2 Input EQ Input equalizer with 5 parametric filters. Allows to alter the overall tone of the signal connected to the respective input. Also called the equalization of the input signal effects all th ...
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Nilfisk-ALTO 3.4 - page 19
18 b. Centre Frequency / Cutoff Frequency Peaking Low Shelving High Shelving Notch c. Bandwidth Allows to choose the width in octaves of the Peaking or Notch type curve. It s not used with Shelving curves. Peaking Notch d. Gain Allows to control the boost or cut of the selected frequencies. It's not used with the which has a fixed cut. Notch F ...
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Nilfisk-ALTO 3.4 - page 20
19 The values can be set in the following ranges: 5.3.3 Xover Low-pass and high-pass filters. Made up of a combination of a low-pass filter and high-pass filter , the crossover allows to divide the into segments that can be used by the individual section of a sound system (for example audio signal High, Mid & Low). Each Xover has 2 slightly dif ...
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Nilfisk-ALTO 3.4 - page 21
20 Each filter has the following editable parameters: T ype of filter Allows to choose three different types of filter and dif ferent attenuation slopes: Butterworth (But) at 6, 12, 18 or 24dB per octave, Bessel (Bes) at 12, 18 or 24dB per octave, Linkwitz-Riley (LR) a 12, 24 or 48dB per octave. By setting the value, the filter is disabled and the ...
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Nilfisk-ALTO 3.4 - page 22
21 5.3.4 Output EQ Output equalizer with 5 parametric filters. Also called Channel EQ, allows to alter the tone of each individual output. The characteristics of quality and programmability are identical to those of the Input Equalizer and enable this unit to be used extremely effectively and flexibly . Each equalizer has 5 pages (one per filter), ...
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Nilfisk-ALTO 3.4 - page 23
5.3.7 Output Limiter a. Output level limiter Allows to keep the signal of each individual output within a set level. Can be used effectively to protect the components of a sound system. The following editable parameters are available: b. Reaction times Allows to choose between 3 types of Limiter reaction speed. In fact, these are attack and release ...
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Nilfisk-ALTO 3.4 - page 24
23 5.4 UTILITY Menu 5.4.1 GANGING SUBMENU Ganging Input Ganging Output Ganging menu UTILITY Ganging Lock Memory Card Input Ganging Output Ganging Delay Unit Lim. Thresh. Unit Lock Format Card Preset Change RX Units T emperature Unit Input Select Output Meters Misc. Setup T emperature W ake Up LCD Contrast Comm.Setup ID Select IMPORT ANT! Enabling t ...
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Nilfisk-ALTO 3.4 - page 25
24 T o check this: 1. set Input Gangin=Off, load the *Default* PRESET , set INA Delay=1 and INB Delay=0; 2. set Input Gangin=On, return to the Input Delay menu: the display shows INA&B Delay=1: a. if you leave the value unchanged and once again set Input Gangin=Off going back to the Input Delay menu, the display shows INA Delay=1 and INB Delay= ...
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Nilfisk-ALTO 3.4 - page 26
b. Output Ganging Used to enable/disable Ganging function on the outputs. The settings are: 25 5.4.2 UNITS SUBMENU Used this submenu to choose the measurement units to be used with certain functions. a. Delay Unit Used to set the measurement units in which Delays are expressed (DELA Y menu). The options include: meters millimeters milliseconds micr ...
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Nilfisk-ALTO 3.4 - page 27
26 5.4.3 Misc. Setup submenu Use this submenu to set a series of system options. a. Input Select Used to choose which MAXIDRIVE3.4 should use. inputs The options include: The inputs selected become and . Any signal on the inputs not selected is ignored. Input A Input B b. Output Meters Used to decide whether to display the outputs signal before or ...
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Nilfisk-ALTO 3.4 - page 28
27 c. T emperature Used to key in the value of the environmental temperature of place of installation. The system uses this value to automatically compensate for the differentials due to the dif ference speed of sound T ransmission according to the air temperature. This allows to set the delays during the sound-check and only have to reset them aut ...
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Nilfisk-ALTO 3.4 - page 29
28 How to enable protection First of all, choose the protection mode: T wo modes are available: T otal: Partial: all editing functions are blocked and only the parameters relative to the Inputs access to the PRESET menu is disabled can be edited (Delay , Gain, EQ), all other editing functions are blocked and access to the PRESET menu disabled After ...
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Nilfisk-ALTO 3.4 - page 30
Note: in the event of an incorrect password, the display prompts again, encrypting all the characters again. Protection is unlocked and the system enters default status. 5.4.5 MEMOR Y CARD SUBMENU Allows to the Multimedia Memory Card. format The Card can't be used by the system. How to at the Card form Insert a Multimedia Memory Card in the sl ...
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Nilfisk-ALTO 3.4 - page 31
30 A TTENTION! ENTER. Formatting cancels any data contained in the Card. In the Memory Card submenu, press Note: in the event of an error or a Card fault, if there is no Card in the slot or if the Card is removed during formatting, the display shows the following message: Note: since the system must always be configured, there are no empty memory a ...
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Nilfisk-ALTO 3.4 - page 32
31 SEND ACCEPT IGNORE .. Preset #2 Preset #3 Preset #4 Preset #5 Preset #6 Preset #7 Preset #8 Preset #9 .. #2 MySetup #3 MySetup5 #4 LiveSet1 #5 LiveSet2 #6 Monitor #7 Monitor2 #8 Monitor3 #9 Side .. .. #2 SideField #3 Concert1 #4 Concert2 #5 Concert3 #6 Concert4 #7 Remote1 #8 Remote2 #9 Remote2 .. Preset Change RX MAXIDRIVE3.4 #2 Load Preset MAXI ...
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Nilfisk-ALTO 3.4 - page 33
7. APPLICA TION The following diagrams show the MAXIDRIVE3.4's various system configurations, as if to say , the various input and output hardware combinations. # 01 02 03 04 05 06 07 08 09 10 Name DEF AUL T 2X2W+MAX 2X3W 2X3W+MSB+MAX 4W+2MAX 4W+BSB+2MAX 5W+MAX 5W+BSB+MAX 6W 6W+BSB Configuration A135 B246 A13 B24 S56 A135 B246 A13 B24 S56 A132 ...
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Nilfisk-ALTO 3.4 - page 34
CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON ...
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Nilfisk-ALTO 3.4 - page 35
CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON ...
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Nilfisk-ALTO 3.4 - page 36
CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON ...
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Nilfisk-ALTO 3.4 - page 37
CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT CH-A CH-B CLIP SIG POWER ON OFF CLIP SIG PROT LTO R R PROFESSIONAL HIGH POWER STEREO AMPLIFIER CH-A CH-B CLIP SIG POWER ON ...
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Nilfisk-ALTO 3.4 - page 38
From RS485 OUT to RS485 IN From RS485 OUT to RS485 IN t o/f r o m RS232 t o/f r o m RS232 Serial Port MAXIDRIVE3.4 3-W A Y STEREO DIGIT AL CROSSOVER e. Communications: PC & one or more MAXIDRIVE3.4 connection 37 PUSH 21 3 NEW TIDE PUSH 21 3 NEW TIDE Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk PWR OFF ON AC INPUT ...
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Nilfisk-ALTO 3.4 - page 39
8. TECHNICAL SPECIFICA TIONS 38 Peak, 6dB Lo-Shelf, 12dB Lo-Shelf, 6dB Hi-Shelf, 12dB Lo-Shelf, Notch -24dB, -18dB, -12dB, -6dB, CLIP relative to Clip point (+20dBu) -24dB, -12dB, -6dB, LIMIT relative to limiter threshold setting, CLIP INPUT section Connectors 2 x COMBO Nominal input sensitivity 0 dB (0.775 V) Input Impedance 30kOhm, electronically ...
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Nilfisk-ALTO 3.4 - page 40
39 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. All the information presented in this W arranty Registration Card gives the manufacturer a better understanding of the sales status, so as to purport a ...
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Nilfisk-ALTO 3.4 - page 41
NF 01 131-2.4 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 TO. All features and content might be changed without prior notice. Any photocopy , translation, or reproduction of part of this manual withou ...
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