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LTO MAXIDRIVE3.4+ User Manual

3 way stereo digital crossover
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LTO
User's Manual
MAXIDRIVE3.4+
3 WAY STEREO
DIGITAL CROSSOVER
www.altoproaudio.com
Version 1.1 OCTOBER 2007
English

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  • Page 1 User's Manual MAXIDRIVE3.4+ 3 WAY STEREO DIGITAL CROSSOVER www.altoproaudio.com Version 1.1 OCTOBER 2007 English...
  • Page 2 IMPORTANT SAFETY INSTRUCTION CAUTION WARNING To reduce the risk of electric shock RISK OF ELECTRIC SHOCK and fire, do not expose this equipment DO NOT OPEN to moisture or rain. TO REDUCE THE RISK OF ELECTRIC SHOCK PLEASE DO NOT REMOVE THE COVER OR Dispose of this product should THE BACK PANEL OF THIS EQUIPMENT.

  • Page 3: In This Manual

    IN THIS MANUAL: ..........................1. INTRODUCTION ............................2. FEATURES ........................3. CONTROL ELEMENTS 3.1 Front Panel 3.2 Rear Panel ........................4. GETTING STARTED 4.1 Configuration of The System 4.2 Adjust The Input Signal 4.3 First Setup 4.4 System Configuration 4.5 Number of Presets 4.6 Type of Preset 4.7 Name of The Preset 4.8 Preset Modifications...

  • Page 4: Control Elements

    1. INTRODUCTION Thank you for purchasing the LTO MAXIDRIVE3.4+. Your MAXIDRIVE3.4+ is a 3-way stereo digital crossover and it is a powerful versatile signal processor. The apparatus will provide 3, 4, 5 or 6-way mono X-over with 6 outputs. Thanks to the use of selected and expensive components, the performances of MAXIDRIVE3.4+ are worth much more than its price:...

  • Page 5: Rear Panel

    3. CONTROL ELEMENTS 6 Navigation cursor keys Each editing page comprises a variable number of parameters (fields). The right and left keys allow you to select the various required parameters via controlling the movement of the cursor in the page. 7 Memory Card Slot The Slot allows you to insert the Memory Card which is very useful for safe storage of PRESETS and their transfer from...

  • Page 6: Configuration Of The System

    3. CONTROL ELEMENTS 15 Digital In Use the balanced XLR-F connector (one cable is enough to feed both inputs connect the processor to units fitted with AES/EBU digital outputs. In this case, the two bypassed convention will improve the quality of the signal. A signal connected to the digital input has the same processing as that connected to analog input.
  • Page 7 4. GETTING STARTED And the system will enter into default status, showing the main operating information on the display. A 1 3 B 2 4 S 5 6 2 x 2 W + 2 M A X MUTE Set all the MAXIDRIVE3.4 outputs in status (LEDs lit) by pressing the relative keys.

  • Page 8: First Setup

    4. GETTING STARTED I N A G A I N I N A & B G A I N . 0 d B . 0 d B Use the DIAL to change the gain value and watch the level of the signal on the LED ladders until the ideal values are reached.

  • Page 9: Number Of Presets

    4. GETTING STARTED Numbers 1 2 3 4 5 indicate the respective outputs. In the example: The signal connected to Input is assigned to outputs The signal connected to Input is assigned to outputs The Sum of the signal on inputs is assigned to outputs 5 and 6.

  • Page 10: Getting Started

    4. GETTING STARTED 4.8 PRESET Modifications A 1 3 B 2 4 S 5 6 2 x 2 W + 2 M A X This indicates that the value of one or more parameters has been temporarily modified with respect to the stored in the PRESET shown.
  • Page 11 5. THE MENU MAP CONFIGURATION DESCRIPTION There are 3 distinct categories of PRESETS: Factory PRESETS Factory-programmed storage. Factory PRESETS can be used normally, temporarily modified, but can't be cancelled, overwritten or permanently modified. Factory PRESETS contain some specific settings for certain types of enclosures and all the system's usable configurations.
  • Page 12 5. THE MENU MAP CONFIGURATION DESCRIPTION Note: Factory PRESET #3 In the example, , named "2x3W" has been loaded: Its system configuration is Input A signal assigned to outputs 1, 3 and 5; Input B signal assigned to outputs 2, 4 and 6. Loading a PRESET, a PRESET Change command is also automatically sent to the serial ports and can be used to automatically load a PRESET with the same number to any other MAXIDRIVE3.4+ units connected and enabled UTILITY...
  • Page 13 5. THE MENU MAP CONFIGURATION DESCRIPTION P r e s 2 W + 2 M A X 5.1.3 Dump Out PRESET Use this menu page to download a PRESET via the serial ports. It is also used to immediately "copy" the settings of the various PRESETS of a MAXIDRIVE3.4+ to another MAXIDRIVE3.4+.

  • Page 14: Delay Menu

    5. THE MENU MAP CONFIGURATION DESCRIPTION Ignore the data received via the serial ports. Accept the data received via the serial ports. I n c o m i n g D u m p I n c o m i n g D u m p n o r e c e p t...
  • Page 15 5. THE MENU MAP CONFIGURATION DESCRIPTION only delays the signal of a specific output. Output Delay 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.

  • Page 16: Edit Menu

    5. THE MENU MAP CONFIGURATION DESCRIPTION The values can be set in the following ranges: OUTPUT DELAY 0 P 1 D E L A Y 2 9 2 u S unit range step 0.0 ~ 100.0 0 ~ 100000 0 ~ 291 0 ~ 291271 The values can be set in the following ranges: OUTPUT DELAY...
  • Page 17 5. THE MENU MAP CONFIGURATION DESCRIPTION 5.3.1 Input Gain Input gain control. I n p u t G a i n Allows to adjust the amplification of the signal fed in through Inputs A and B. Editing values are in the range +6dB -30dB , with...
  • Page 18 5. THE MENU MAP CONFIGURATION DESCRIPTION 5.3.3 Input EQ Input equalizer with 5 parametric filters. Allows to alter the overall tone of the signal connected to the respective input. Also called Master EQ , the equalization of the input signal effects all the outputs connected to The input and the input SUM.
  • Page 19 5. THE MENU MAP CONFIGURATION DESCRIPTION c. Bandwidth Allows to choose the width in octaves of the Peaking or Notch type curve. It s not used with Shelving curves. I N A E Q 1 1 . 0 - 5 . 0 Peaking Notch d.
  • Page 20 5. THE MENU MAP CONFIGURATION DESCRIPTION Each Xover has 2 slightly different pages (one for each filter), where the name of the output it affects and the type of filter are shown. L P F h r u H P F h r u O P 1 1 k 0 0 H z...
  • Page 21 5. THE MENU MAP CONFIGURATION DESCRIPTION The values can be set in the following ranges: XOVER NAME TYPE SLOPE FREQ PHASE Thru Butterworth 6, 12, 18, 24 dB/oct 0 ~ 180 15.6Hz ~ 16KHz 12, 18, 24 dB/oct Bessel (Stp 5 ) Linkwitz-Riley 12, 24, 48 dB/oct Thru...
  • Page 22 5. THE MENU MAP CONFIGURATION DESCRIPTION Note: The level of each output is shown by the respective OUTPUT LEVEL LED ladder. To avoid distortion, don't let the red CLIP LED light up. As automatic protection, you can also enable the LIMITER (EDIT menu) on the outputs that require it.
  • Page 23 5. THE MENU MAP CONFIGURATION DESCRIPTION c. Threshold Allow to set the level above which the Limiter intervenes (limiting the signal) and below which it leaves the signal unchanged. The editing values are within the following ranges: +19.8dBu ~ -10dBu, with 0.2dBu steps 7.574V ~ 0.245V with variable steps UTILITY Units...
  • Page 24 5. THE MENU MAP CONFIGURATION DESCRIPTION 5.4.1 GANGING SUBMENU Ganging Input Ganging Output Ganging This submenu allows to group together the treatment of similar inputs and/or outputs. Similar is intended as meaning elements which have the same properties and/or the same structure. For example, the right and left sections of a stereo system are similar, as they are made up symmetrically of the same quantity and type of elements (the same components for High, Mid and Low frequencies).
  • Page 25 5. THE MENU MAP CONFIGURATION DESCRIPTION a. Input Ganging Allows to enable/disable Ganging function on the inputs. The settings are: Disabled Enabled I n p u t G a n g i n g I n p u t G a n g i n g O f f b.
  • Page 26 5. THE MENU MAP CONFIGURATION DESCRIPTION c. Temperature Unit Used to set the measurement units for the Temperature function ( UTILITY menu - Misc. Setup submenu). The options include: degrees Centigrade - degrees Fahrenheit T e m P e U n i t T e m P e U n i t 5.4.3 Misc.
  • Page 27 5. THE MENU MAP CONFIGURATION DESCRIPTION PREV NEXT ENTER CLIP CLIP CLIP CLIP CLIP CLIP CLIP CLIP PRESET LIMIT LIMIT LIMIT LIMIT LIMIT LIMIT MAXIDRIVE3.4+ DELAY 12 12 OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT EDIT 18 18 12 12...
  • Page 28 5. THE MENU MAP CONFIGURATION DESCRIPTION L o c k This function is very useful whenever even temporary changes or tampering with the settings stored in the system must be prevented. For example: fixed installations used by several operators (discotheques, clubs, conference halls, etc.), sound system rental, etc.
  • Page 29 5. THE MENU MAP CONFIGURATION DESCRIPTION A 1 3 B 2 4 S 5 6 2 W + 2 M A X Note : alongside the symbol of Total or Partial protection, the letter may also appear. This means that the system is protected, but the PRESET in question has undergone one or more changes that have not yet been stored.
  • Page 30 5. THE MENU MAP CONFIGURATION DESCRIPTION ATTENTION! Formatting cancels any data contained in the Card. In the Memory Card submenu, press ENTER F o r The Format Card page appears Press ENTER. The system formats the Card until it communicates that it has completed. This operation only requires a few seconds.
  • Page 31 5. THE MENU MAP CONFIGURATION DESCRIPTION The PRESET Change command is completely identical to MIDI Program Change: the transmitting unit sends an instruction containing a number of PRESETS to load; the receiving units (if they are able to accept the command) each loads into its own memory the PRESET with the corresponding number.

  • Page 32: Factory Preset Configuration

    6. CONNECTIONS Outputs 1 ~ 6, RS485 OUT HOT (+) BALANCED XLR-F GROUND COLD ( ) RS232 PIN 5 PIN 3 PIN 2 RS232 (9Pin-F) (TXD) PIN2 PIN 3 (RXD) (RXD) PIN3 PIN 2 (TXD) (GND) PIN5 PIN 5 (GND) 9 PIN 9 PIN The wire must be changed between 2,3 pin.
  • Page 33 7.APPLICATION 7.2.Line Array Preset Parameters: 2S18+6208U11 7.2.1 EDIT Xover LR24 125.0 Hz OP1&2 LR24 41.2 Hz Thru 2K00 Hz OP3&4 LR24 82.5 Hz Thru 2K00 Hz OP5&6 LR24 82.5 Hz 7.2.2 EDIT Output EQ PEAK 41.2 1.95 +3.0 PEAK 101.0 1.95 +6.0 PEAK...
  • Page 34 HOOK 7.3 Hookup The following examples will help you well use and connect the unit. a. A13 B24 S56 2-WAY STEREO+2 MONO AUX [2 2W+2MAX] 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W...
  • Page 35 HOOK b. A135 B246 3-WAY STEREO [2 3W] 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) AC INPUT Apparaten skall anslutas till PUSH PUSH PUSH...
  • Page 36 HOOK c. A13 B24 S56 3-WAY STEREO with MONO SUB+MONO AUX [2 3W+MSB+MAX] 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) Apparaten skall anslutas till PUSH PUSH...
  • Page 37 HOOK d. A1324 S56 4-WAY4 MONO + 2 MONO AUX [4W+2MAX] 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) AC INPUT Apparaten skall anslutas till PUSH PUSH...
  • Page 38 HOOK e. A135 B246 3-WAY STEREO [2 2W] 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) 750W SIG CLIP PROT SIG CLIP PROT (dB) (dB) AC INPUT Apparaten skall anslutas till PUSH PUSH jordat uttag nar den ansluts...
  • Page 39 HOOK f. Communications: PC & one or more MAXIDRIVE3.4 connection to / from RS232 Serial Port MAXIDRIVE3.4+ 3-WAY STEREO to / from DIGITAL CROSSOVER RS232 AC INPUT Apparaten skall anslutas till PUSH PUSH jordat uttag nar den ansluts PUSH PUSH 95-240V 50/60Hz DESIGNED IN ITALY OUTPUTS...

  • Page 40: Technical Specifications

    8. TECHNICAL SPECIFICATIONS INPUT Section 2 x COMBO Connectors 0 dB (0.775 V) Nominal input sensitivity Input Impedance 30 kOhm, electronically balanced +20 dBu Maximum Input Level Input Gain -30/+6 dB variable in 0.5 dB steps Digital input AES/EBU, XLR-F Digital input sample rate 32 kHz ~ 48 kHz Output Section...
  • Page 41 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 amore effective and efficient after-sales warranty service.
  • Page 42 SEIKAKU TECHNICAL GROUP LIMITED NO. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan http://www.altoproaudio.com Tel: 886-4-22313737 email: alto@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.

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