Architectural Acoustics by Peavey has introduced the Digitool MX, a multipurpose digital signal-processing and routing device. There are three vertically aligned small data-encoding knobs to the right of the LCD display. The knobs provide parametric control beyond the larger program wheel. To the right of the knobs are two-color LEDs, which indicate active inputs and outputs. The back panel of the Digitool MX is also relatively straightforward.
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There are three vertically aligned small data-encoding knobs to the right of the LCD display. The knobs provide parametric control beyond the larger program wheel. To the right of the knobs are two-color LEDs, which indicate active inputs and outputs.
The back panel of the Digitool MX is also relatively straightforward. On the far left are the IEC power connector and power switch. A pair of RJ connectors reside just left of the middle of the back panel, enabling connection of a multi-drop RS bus. Farther right are four control voltage connectors to accommodate 0V to 10V DC for external potentiometers.
They are Euro-style receptacles that accept the included connectors intended for wiring. The user determines which output channel is displayed, and a bar graph display in the Mix Box shows how much level from each of the input channels is being sent to that particular output.
Each knob on the front panel has a specific function. The top knob controls the level of the selected output. The bottom knob is a master level control, determining the overall output level of the entire system. This is the quick-grab knob in the event of feedback. The Route View shows a single input and multiple outputs. In essence, it is operationally identical to the Mix View, in that the three knobs perform the same functions.
This is a handy way to route a single input to multiple outputs. It is useful for distributed audio situations or to use the unit as a crossover or drive box. The Edit View input or output is opened by pressing the program wheel while selecting an input or output object. The various pages of the edit windows are ordered in the same sequence as in the signal path. First is the input channel hardware configuration, which determines mic or line level input. In Line mode, two parameters are available; Sensitivity, adjustable from 12dBu to 30dBu in 6dBu increments, and Trim, which provides gain or attenuation from The noise gate has controls for threshold, attack, hold, release, and attenuation.
Four more filters follow the gate, each with the modes featured in the first filter. The manual describes these as a series: high-shelf, parametric EQ 1 and 2, and low-shelf, but they can be used whichever way you like. The compressor has controls for threshold, ratio, attack, release, and makeup gain.
The final stage in the input section is a simple gain control. The output section starts with a crossover filter. High- and low-pass filters are available, and cutoff frequency is adjustable from 10Hz to 20kHz.
There is a gain control for the filter. Next up is a chain of seven filters, intended to default to a high-pass and low-pass filter and a five-band paragraphic EQ. Following the filters is a compressor, with controls for threshold, ratio, attack, release, and makeup gain.
Finally, there is a control that determines the inherent hardware output level, from 6dBu to 24dBu in 6dBu increments. Phase can be inverted as well with this control page. The output, like the input, can be named. In addition to the Mix and Route Views, there is also a Matrix View that allows you to easily route any input to any output or all inputs to all outputs, and all in-between.
A mute control page allows you to easily mute or unmute individual channels or all channels with a single button. Display adjustments, security configuration including password , and display of software version all reside in the utility page as well. The settings of the entire system can be password protected. Digital conversion is at bit resolution, and sample rate can be as high as 96kHz. Multiple remotes can be connected and programmed to affect various parameters. The Digitool is an excellent, low-cost solution for integrators who need extensive control over distribution, digital signal-processing, and crossover capabilities.
Architectural Acoustics Digitool MX