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"Probably the single biggest improvement you can make to a powered Line Array system!" |
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Click on image to see larger version (119K) |
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More ARX Signal Processing: Afterburner BarMIX |
About the
MaxiDRIVE For example: 6 In, 6 Out, 2 x sets of 1 In, 3 Out, 1 In, 6 Out or similar can be set up simply by pressing the Link switches to link a channel to its predecessor. The
MaxiDrive's intuitive layout and clear,
uncluttered labelling enables a quick and easy solution to
the increasing demands of today’s standards of audio
production. |
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Probably the single biggest improvement you can make to a Line Array system? With the advent and widespread use of large self powered line array loudspeaker systems, the change in system signal drive requirements has been missed by many Signal Processor / DSP Processor Designers and Manufacturers. The product design engineers at ARX realise that the real work doesn't end at the male XLRs on the rear of the system processor. However, it seems manufacturers have given little consideration to what follows on in the signal chain, nor the demands multiple loudspeaker input impedance loads place on processor output stages. The perceived grittiness and lack of clarity at high operating levels sometimes attributed to the Loudspeaker system's performance can be more probably attributed to the inability of the preceding signal processors in the audio chain to drive low impedance loads at high voltage levels over long reactive cables, which present both a capacitive and inductive load to the output drive stage. In short, you need a line driver that can comfortably drive multiple inputs per channel with the headroom required for accurate audio reproduction. The MaxiDrive is that line driver. Its very low output impedance virtually eliminates any deleterious cable loading effects and high frequency loss. Enter the
MaxiDRIVE Improving the performance of Non Powered Systems as well. The ARX MaxiDrive will of course happily provide the current drive and voltage swing to drive multiple power amplifiers in large non self-powered systems, removing the requirement for individual signal splitters and line buffers in separate amplifier racks. Conventional loudspeaker processor output stages can find driving multiple Amplifier racks using line input transformers too complex a load to retain their low distortion performance. The ARX MaxiDrive will retain its specs while driving 10 or more 600 ohm individual transformers per channel. Reliability ARX's design team has engineered the MaxiDrive for maximum reliability, using premium components through all audio and power supply circuits. The MaxiDrive power supply utilises an oversized Toroidal Transformer, and multiple voltage regulators split across each channel pair for minimal interaction and to ensure low temperature operation in the most arduous operating environments greatly reducing thermal cycling. All integrated circuits (ICs) are premium quality devices manufactured by JRC, and the MaxiDrive 's output circuitry utilises high current Bi Polar Transistors throughout. All Audio signal chain Electrolytic capacitors are bypassed with low value polyester capacitors to ensure pristine high frequency performance. Every MaxiDrive is hand soldered, with a 100% visual PCB QC check prior to assembly. Which is why we say... |
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Click on image to see larger version |
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Input impedance Max Input Level Max gain through unit CMRR |
Balanced 40K ohms unbalanced 20K +22dB +6dB –60dB @ 1KHz |
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MaxiDrive E - High Current electronic / Active output stage |
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Freq response Distortion Max output Level Output Impedance Min output impedance Signal to Noise ratio Dynamic Range |
20Hz - 20KHz ± .25dB 0.004% at 1Khz, +10dB output +26dB < 20 ohms 22 ohms -92dB unweighted. 118dB |
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MaxiDrive T - Transformer Isolated outputs |
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Freq response Distortion Max output Level Output Impedance Min output impedance Signal to Noise ratio Dynamic Range |
20Hz - 20KHz ± .5dB 0.035% at 1Khz, +10dB output +22dB @ 600 ohms load, +20dB @ 22 ohms load < 60 ohms 60 ohms -92dB unweighted. 114dB |
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Rear Panel
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