Digitech DSP Pdf User Manuals. View online or download Digitech DSP Owner’s Manual. Digitech DSP Plus, Music Technology, May The manual claims the abbreviations are printed on the top of the unit – but they weren’t on the review. Digitech DSP Plus, Sound On Sound, Apr There’s no indication in the DSP Plus manual of just how the signal is routed from one effects section .
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You may need to exercise a some caution here, as running through a range of values on the fly can produce glitching, but this is not unique to the DSP. According to the manual, the reverb decay time in seconds is the product of the numerical values of these two parameters: That and the delay section in multi-effects configurations – both with normal and multitap delays – are the strongest of the DSP Plus’s effects capabilities, and in these specific areas give the unit a distinct edge over its direct rivals.
MIDI and Bypass buttons complete the roster. A few milliseconds difference between the placement of the repeats at each position is enough to give the echoes a refreshing stereo depth and movement.
Having been suitably impressed by the multi-tap delay functions, the next thing to grab me about the DSP Plus was its Ultimate Reverb algorithm. I found that a good deal of tweaking was often required with this algorithm to remove or minimise unexpected background ringing, and simply to find the best balance of Diffusion and Delay parameters.
The length of time that the reverb gate is held open is variable up to milliseconds, and the reverb is very dense and strong – an excellent effect.
Time to dust your ears off and put them to work. The stereo chorus effect is clean, and more subtle than many I’ve heard: Filter, Chorus, Multi-tap Delay 8.
Unlike so many other units, however, the case is brushed aluminium not matt black – a refreshing change. Parametric EQ, Chorus, Delay Medium room, Delay, Chorus, Filter 4.
All effects sections process signals at full bandwidth kHzand the result is that even at the top and bottom end of the audio spectrum the processed signal is clear and well defined. Long live progress, I say. I tried this out with the maximum values for both, and though it was quite digittech to decide on a point where the reverb tail was actually quieter than the noise floor when it decays this slowly, there was undoubtedly manyal a minute and a half of beautifully decaying reverb.
These determine the volume of the simulated listening environment, and the reflectivity of its surfaces. As it is, any edit you make takes effect immediately.
Bearing in mind that the input sensitivity of the DSP Plus is switchable to cope with both line and instrument level signals, it seems that Digitech have very much kept the guitarist in mind when designing the DSP Plus. Like other units in this price bracket, the Plus has a bit analogue-to-digital converter.
The next algorithms I tried were the two containing the multi-tap delays, which provide stereo repeat echoes. Review by Paul Ireson. Gear in this article: Providing manuals and documentation for 10 years!
Digitech DSP Plus (MT May 89)
Well, EQ is handy to have around but the DSP is primarily an effects unit and I personally wouldn’t worry too much about EQ facilities feel free to worry if you wish. Interestingly, low values 3 or below seemed to create a kind of flanging or phasing effect. Scrolling is neat but it takes time and after the novelty wears off you’ll probably plumb for pop up display. These are global assignments allowing you to control pre-delay, reverb time or any of the other parameters – there are 44 in all – in real time from a master keyboard or from a sequencer, for example, by recording the controller data onto a spare track.
Medium room, Delay, Flange Filter 5. Further possibilities include producing a pseudo panning effect, or in these two algorithms, the flange or chorus effect is placed in line before the multi-tap delay, so that echoed flanged notes are heard rather than flanged echoes and there is a real difference.
So, anything from a highly reflective bathroom to a train station wallpapered with mattresses can be simulated and haven’t you always wanted to know what a train station wallpapered with mattresses would sound like?
I began this review by outlining the way in which our perceptions of new products are radically affected by what has come before. I found this rather odd as my other equipment can be reset by changing patch. By carefully choosing the parameters you can determine the size and absorbency of the reverb environment as well as the position of the listener in relation to the sound. Other software features include a self-test mode what happens when self-test procedures go wrong?
Whereas the Normalised Reflectivity parameter controls the reflectivity of all frequencies equally, dP damping allows the relative decay rates of high and low frequency components to be balanced – the simulated environment can therefore be made to sound more or less bright.
DIGITECH DSP-128 Owner’s Manual
Not particularly friendly, to my way of thinking. Ian Waugh treats himself. Dzp door to the display are four cursor keys mannual are used to access the programs and change the parameters. Other articles featuring gear in this article: The principal front panel controls are a power switch and three rotary pots which set Input, Output and Mix levels. Large room, Delay, Chorus, Filter 2. At the time this generated a good deal of excitement, but since other manufacturers quickly went one better with signal processors that can produce four effects simultaneously, the DSP didn’t look quite so hot anymore.
Reverse Reverb, Delay, Filter An output level can be set for each effects section, apart from the filter EQthrough which the input is automatically passed.
DigiTech DSP 128 Plus Digital Signal Processor Vintage Rack
A good trick is to set the initial delay times for the three stereo positions to almost – but not quite – the same value. To some extent this is justifiable – any new piece of gear must be judged in comparison to its nearest equivalents, but the problem starts when one regards a product as being less interesting because it is not as original and different as it would have been had it appeared a few months earlier.
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