If a reverb, for example, is selected, the two Parameter controls mentioned earlier vary the stereo width and the EQ, and the 16 variations provide different decay times. This works well, except for the tiny lettering around the Effect switch, which had me peering with a torch from about eight inches away!īank A holds 16 different single effects, comprising various reverb types, mono and stereo delays, chorus, flange, phasing, panning and pitch shifting. An additional switch position acts as a bypass mode. The 32 basic effects combinations offered by the unit are accessed via the 16‑way Effect switch and the Bank button, while a Preset switch selects between 16 variations. The input may be adjusted to accommodate both pro and semi‑pro signal levels, though the input impedance is too low to use directly with a passive electric guitar. Separate knobs provide control of input/output levels and mix, and there's a simple LED metering system for setting the input level.Įlectrically, the 512 looks quite impressive, with a 90dB signal‑to‑noise ratio, 16‑bit/44.1kHz sampling, and a 20Hz‑16kHz audio bandwidth. It does, however, have an integral (simple but functional) noise gate, the threshold of which is controlled by a screwdriver‑adjustable pot on the rear panel. Housed in a 1U case and powered by the familiar external PSU, the 512 has stereo inputs and outputs on unbalanced jacks, no MIDI, and no power switch. To increase flexibility, DOD have also provided a couple of controls, labelled Parameter 1 and Parameter 2, which access two key parameters for each effect type. DOD have taken this idea further, adding a bank switch, to double the number of options to 512 - hence the name of the unit. Alesis pioneered this idea, and later added another switch, to access 16 variations on each of the 16 presets. Simple‑to‑operate, budget reverb units are no longer a novelty, but DOD are really going for the entry‑level user with their 512: it's very easy to use, provides plenty of stock effects, and is eminently affordable.Īs you can see from the photo, the 512 favours the rotary switch approach for patch selection. But does it deliver the necessary sound quality too? Paul White reports. DOD's 512 combines value for money, simplicity, and flexibility.
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