Summary of 4 Series
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Page 2 4 series 4 series 4 series 4 series operator’s manual.
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4 series 4 series 4 series operators manual page 3 4 series 4 series 4 series 4 series quick reference editing channels : press channel’s gain key. First press accesses that channel’s gain. To scroll through channel’s parameters, use the back and next keys. Second press accesses last viewed paramete...
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Page 4 4 series 4 series 4 series 4 series operator’s manual contents important safety information 6 thanks 7 unpacking the unit 7 introduction 8 features 8 front panel familiarisation 9 rear panel connections 10 operating the 4 series 4 series 4 series 4 series 11 note about operation with audiocor...
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Operators manual page 5 security and locking 33 entering the password to complete the locking operation 33 unlocking the unit 34 forgotten the password? 34 pcmcia card and compact flash card usage 35 preset library updates via the card 35 unit software updates via the card 35 unit cloning 36 copying...
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Page 6 4 series 4 series 4 series 4 series operator’s manual an example of this equipment has been tested and found to comply with the following european and international standards for electromagnetic compatibility and electrical safety: radiated emissions (eu): en55013-1 (1996) rf immunity (eu): e...
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Operators manual page 7 thanks thank you for choosing an xta 4 series for your application. Please spend a little time reading through this manual, so that you obtain the best possible performance from the unit. All xta products are carefully designed and engineered for cutting-edge performance and ...
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Page 8 4 series 4 series 4 series 4 series operator’s manual introduction the 4 series are powerful dsp based audio processors, ideally suited for install applications, where they combine the functions of a multitude of conventional products in a compact 1u unit with extensive remote control capabil...
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Operators manual page 9 front panel familiarisation lcd screen: shows, by default, the name of the last recalled memory on the bottom line of the screen, and the current routing on the top line. Also used to show all parameters as they are edited, and all menu selections. Control keys: selection and...
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Page 10 4 series 4 series 4 series 4 series operator’s manual rear panel connections power switch: turns the unit’s mains supply off and on. Mains fuse: located in a finger-proof holder adjacent to the mains inlet. A spare fuse is also located in this holder. Mains inlet: connected via a standard ie...
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Operators manual page 11 operating the 4 series 4 series 4 series 4 series note about operation with audiocore software. The following operating information covers setup and control of the 4 series via the front panel controls only. Please consult the manual supplied with this software for informati...
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Page 12 4 series 4 series 4 series 4 series operator’s manual routing options and processing blocks due to the completely new dsp platform, the routing possibilities within the 4 series have been made completely flexible, with a matrix available allowing any combination of inputs to be routed to any...
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Operators manual page 13 4 x 2 way crossover: as shown, each input feeds a pair of outputs, odd numbers being the low frequency split, and even numbers being the high part of the spectrum. Default suggested crossover frequencies are shown by each output. 2 x 3 way crossover: inputs a and b feed thre...
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Page 14 4 series 4 series 4 series 4 series operator’s manual 2 x 4 way crossover: inputs a and b feed four outputs each, with inputs c & d being unused. Default suggested crossover frequencies are shown by each output. 1 x 8 way crossover: inputs a is fed to all eight outputs, with initial settings...
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Operators manual page 15 free assign routing if none of the preset configurations are appropriate to the required system setup, it is possible to manually select the routing of the crossover. This is achieved through the crossover menu crossover menu crossover menu crossover menu - - - -> design a c...
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Page 16 4 series 4 series 4 series 4 series operator’s manual editing audio parameters – input channels input gain the range of the control over the input gain is –40db to +6db in 0.1db steps. Ina input a gain ina input a gain ina input a gain ina input a gain input gain = input gain = input gain = ...
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Operators manual page 17 editing audio parameters – output channels output gain the range of the control over the input gain is –40db to +15db in 0.1db steps. Op1 output 1 gain op1 output 1 gain op1 output 1 gain op1 output 1 gain output gain = +6.0db output gain = +6.0db output gain = +6.0db output...
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Page 18 4 series 4 series 4 series 4 series operator’s manual output high pass filter the high pass crossover filter on each output has a frequency range of th octave steps. If you try to set the high pass filter to a higher frequency than the low pass (which would be pointless and result in no outp...
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Operators manual page 19 output limiter the limiter on each output has adjustable attack and threshold, with a release time that is selectable to be a multiplier of the attack time. For example, as shown below, the attack time is 2ms and release is “x16” so 32ms. The attack and release times can be ...
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Page 20 4 series 4 series 4 series 4 series operator’s manual input ganging and output ganging the method of linking inputs or outputs together during editing is achieved in the same way, so only crossover (output) ganging will be explained here. Having selected crossover ganging crossover ganging c...
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4 series 4 series 4 series operators manual page 21 menu system overview below is an overview of the menu system – a lot of functions have been assigned menu shortcuts – these are accessible directly from the default screen by pressing menu followed by the appropriate mute mute mute mute or edit edi...
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Page 22 4 series 4 series 4 series 4 series operator’s manual menu system shortcuts a lot of functions have been assigned menu shortcuts – these are accessible directly from the default screen by pressing menu menu menu menu followed by the appropriate mute mute mute mute or edit edit edit edit butt...
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Operators manual page 23 menus in detail global mem. Global mem. Global mem. Global mem. Recall a memory recall a memory recall a memory recall a memory recall graphic, input and crossover memories or combinations of. St st st store a memory ore a memory ore a memory ore a memory store graphic, inpu...
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Page 24 4 series 4 series 4 series 4 series operator’s manual memory structure as with the dp226 and dp224, the 4 series 4 series 4 series 4 series have their memories split into sections, allowing independent recall of crossover settings (i.E. All parameters associated with outputs), and input sett...
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Operators manual page 25 as only memory 8 and memory 10 have all 3 types stored, these will be the only numbers available during a recall. However, consider the example where the type of recall is set to input & crossover. In this instance, not only will the memory locations that have just input and...
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Page 26 4 series 4 series 4 series 4 series operator’s manual remote control interface operation xta has a range of tried and tested interfaces, all of which are listed in the xta interface guide, available from our website. We can supply all the interfaces described in this guide directly – please ...
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Operators manual page 27 loading new software via a pc the unit’s internal software may be updated via the rs232 port only, one unit at a time. We recommend disconnecting all other devices when updating the software. The unit’s interface must be set as rs232 master on id1 for the pc loader program t...
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Page 28 4 series 4 series 4 series 4 series operator’s manual shadow id numbers shadow id numbers allow extra units to share the same id and follow the settings of the ‘main’ id. This is useful for larger systems (for example anything above a 4-way stereo system) where it is only necessary to set up...
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Operators manual page 29 rs485 connection to use rs485 communication directly from a computer, a master unit must be configured to receive rs485. You must have a suitable rs485 port on your computer, or a converter connected to the serial port in use. This configuration is shown below, along with th...
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Page 30 4 series 4 series 4 series 4 series operator’s manual if your laptop or pc does not have a spare serial port (or any serial ports for that matter!), the rs485 converter must be connected through a usb – serial converter. The rs485 converter that xta recommend is available in two types – the ...
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Operators manual page 31 aes inputs and outputs the 4 series units have a full aes implementation built in as standard. This allows the unit to both receive digital audio directly, and to transmit digital audio on to other devices. The switching of input and output can be performed independently, an...
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Page 32 4 series 4 series 4 series 4 series operator’s manual aes diagnostics and status information also under the aes/ebu sub menu is the aes status information option, which can be used to check the incoming sample rate(s) and confirm that the data is being received correctly. Pressing enter ente...
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Operators manual page 33 security and locking after selecting the security sub menu security sub menu security sub menu security sub menu and pressing enter enter enter enter, select one of the lock types, choosing the most appropriate one for your application. As ever, enter enter enter enter will ...
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Page 34 4 series 4 series 4 series 4 series operator’s manual unlocking the unit to unlock the unit press enter enter enter enter and then type the code in. This can be entered by using the freq freq freq freq control to select a character, and the back back back back and next next next next keys to...
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Operators manual page 35 pcmcia card and compact flash card usage pc cards, or pcmcia cards to give them their full title, may be used to store several types of data for use with the 4 series 4 series 4 series 4 series. These are: preset library updates unit clone data (backup) software updates the ...
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Page 36 4 series 4 series 4 series 4 series operator’s manual unit cloning the unit cloning feature allows the entire “personality” of the unit to be copied onto a pc card for backup purposes, or so another unit can be instantly reconfigured to operate identically. This will include all user memorie...
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Operators manual page 37 advanced audio features graphic equaliser behaviour each input of the 4 series 4 series 4 series 4 series units has a 28 band graphic equaliser, allowing “traditional” manipulation of the frequency response in a manner immediately familiar and accessible to all users. The be...
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Page 38 4 series 4 series 4 series 4 series operator’s manual when the band is boosted to its maximum value, it can be seen that the response has become quite narrow. This is useful when cutting bands (for example to remove troublesome feedback resonances) as it has less effect on the surrounding ar...
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Operators manual page 39 program limiter and “d-max” limiter the 4 series 4 series 4 series 4 series units have two levels of dynamic protection on its outputs – a traditional program limiter, and a newly introduced “d-max” limiter. Program limiter high performance digital limiters are provided for ...
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Page 40 4 series 4 series 4 series 4 series operator’s manual “d-max” clip limiter the main limitation with traditional dynamics control is the inability of the processing to react truly instantaneously to the signal. One of the most significant advantages of digital signal processing over analogue ...
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Operators manual page 41 the 4 series 4 series 4 series 4 series’s “d-max” limiter predelays the sidechain signal, resulting in a “zero overshoot” limiter, which is able to catch all peaks and provide a reliable absolute maximum setting for the output of any channel. The predelayed sidechain is show...
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Page 42 4 series 4 series 4 series 4 series operator’s manual setting accurate limiter thresholds the limiters built into the 4 series 4 series 4 series 4 series are intended to be used for loudspeaker driver protection, as opposed to amplifier protection. All modern professional power amplifiers de...
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Operators manual page 43 crossover filter slopes it should also be noted that the turnover frequency displayed on the screen is the -3db point for all types except linkwitz- riley where the -6db point is shown. If the -6db point is to be used for the bessel or butterworth filter, take the required c...
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Page 44 4 series 4 series 4 series 4 series operator’s manual parametric filter types and their uses a wide selection of filter types has been made available under the peq section when editing input or output filters. Scrolling through the various filter types is achieved by repeated presses of the ...
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Operators manual page 45 shelving eq (high shelf shown) ina input a hsf:1 ina input a hsf:1 ina input a hsf:1 ina input a hsf:1- - - - :: 1k00hz q=3.0 0.0db 1k00hz q=3.0 0.0db 1k00hz q=3.0 0.0db 1k00hz q=3.0 0.0db remember – to change filter types, press bypass bypass bypass bypass to bypass the fil...
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Page 46 4 series 4 series 4 series 4 series operator’s manual bandpass filter ina input a bps:1/ ina input a bps:1/ ina input a bps:1/ ina input a bps:1/\ \ \ \ 1k00hz q=3.0 bandpass 1k00hz q=3.0 bandpass 1k00hz q=3.0 bandpass 1k00hz q=3.0 bandpass remember – to change filter types, press bypass byp...
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Operators manual page 47 all pass filter ina input a apf:1 ina input a apf:1 ina input a apf:1 ina input a apf:1 0 0 0 0 1k00hz q=3.0 allpass 1k00hz q=3.0 allpass 1k00hz q=3.0 allpass 1k00hz q=3.0 allpass remember – to change filter types, press bypass bypass bypass bypass to bypass the filter, and ...
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Page 48 4 series 4 series 4 series 4 series operator’s manual low/high pass variable ‘q’ filter (low pass shown) ina input a lpf:1~~ ina input a lpf:1~~ ina input a lpf:1~~ ina input a lpf:1~~\ \ \ \ 1k00hz q=3.0 lpf varq 1k00hz q=3.0 lpf varq 1k00hz q=3.0 lpf varq 1k00hz q=3.0 lpf varq remember – t...
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Operators manual page 49 elliptical filters ina input a hpf:1/~~ ina input a hpf:1/~~ ina input a hpf:1/~~ ina input a hpf:1/~~ 1k00hz hp ellip 1k00hz hp ellip 1k00hz hp ellip 1k00hz hp ellip remember – to change filter types, press bypass bypass bypass bypass to bypass the filter, and then use ente...
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Page 50 4 series 4 series 4 series 4 series operator’s manual specifications inputs: 2/4 electronically balanced impedance: > 10k ohms. Cmrr : >65db 50hz - 10khz. Outputs : 4/6/8 electronically balanced source imp: min. Load: 600ohm max. Level: +20dbm into 600 ohm frequency resp .:+½db 20hz-20khz -3...
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Operators manual page 51 warranty this product is warranted against defects in components and workmanship only, for a period of five years from the date of shipment to the end user. During the warranty period, xta will, at its discretion, either repair or replace products that prove to be defective,...
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Page 52 4 series 4 series 4 series 4 series operator’s manual index a accessories · 51 aes diagnostics · 32 aes interface · 31 aes menu · 23 all pass · 47 attack times · 39 b bandpass · 46 base delay · 16 c clip limiter · 19, 40 cloning · 36 cold reboot · 36 compact flash · 35 crossover menu · 23 d ...
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Operators manual page 53 o options · 51 output delay · 17 output gain · 17 p parametric eq · 16, 18 password override · 34 passwords · 33 pcmcia card · 35 phase · 47 polarity · 17, 47 preset updates · 35 program limiter · 19 q quick setup · 11 r rear panel · 10 release times · 39 resonant filter · 4...
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Page 54 4 series 4 series 4 series 4 series operator’s manual appendix i – dp446 default crossover configurations 2 x 3 way 3 x 2 way.
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Operators manual page 55 2 x 2 way + 2 aux 1 x 6 way.
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Page 56 4 series 4 series 4 series 4 series operator’s manual appendix ii – dp444 default crossover configurations 2 x 2 way 1 x 4 way.
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Operators manual page 57 4 x 1 way.
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Page 58 4 series 4 series 4 series 4 series operator’s manual appendix iii – dp424 default crossover configurations 2 x 2 way 1 x 4 way.