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Yamaha SPX90

Multi-Effects Unit



OPINION



I have seen the future of home recording, and it's squatting under my Portastudio. It's 19in wide, 1½ high, and 99 seconds long, and is made by Yamaha, who call it the SPX90 Digital Multi-Effect Processor. Lots of Effects. One box. See?

The God-like proportions of the SPX90 will give you - in glorious stereo from a single mono input - reverb, delay, echo, flange, chorus, phasing, tremolo, vibrato, noise gates, compression, pitch changing, basic sampling, panning, and parametric EQ, all stored in the form of 30 highly usable permanent presets. Not only are these each widely variable in several different ways, but up to 60 of your own edited programs can be stored in the available memory space.

However, like all Gods, the SPX90 has a limitation: it will (perhaps unsurprisingly) only perform one function at a time (although it can gate its own reverb for those bingy-bangy disco drum sounds). But then Yamaha don't claim it can turn water into wine. Quite.

It's still very clever. There are six very good preset reverbs, each with five variable parameters, including three filters, predelay, and reverb length (from 300mS up to a magnificently daft 99 seconds). Their names - 'Hall', 'Room', for example - accurately describe the sounds they recreate. 'Plate' (imitating traditional plate reverb units) works well on percussion, while 'Vocal' is obviously intended for singing at. 'Early Ref.' gives more complex reverb reflections, including the peculiar and unnatural 'Random' and 'Reverse' setting.

Apart from the excellent reverbs, the other SPX90 echo-related presets include Stereo Delay, Stereo Echo, and Delay Vibrato (good for fattening keyboard lead lines). The modulation presets are Stereo Flanges A and B, two rich Choruses, Stereo Phasing (not quite up to Sixties' psychedelic wooshing), Tremolo, and the aptly named Symphonic, which provides a wonderfully lush chorus.

The above are all effects that you might reasonably expect from a good quality DDL. But the SPX90 also provides a Noise Gate, a Compressor, four types of harmonising or Pitch Change, two types of sampling (Freeze A can be edited, while Freeze B is pitch-controllable via MIDI), Automatic Panning, Triggered Panning, and a Parametric in a pear tree.

It's simplicity itself to use. Plug your mixer's effects send (or an instrument) into the back of the SPX90, and connect the outputs as a stereo pair, panned hard left and right. Input is set via a line (-20dB/ +4dB) selector and level control, with a seven segment green and red LED to indicate the onset of distortion - however, the signal on our model did begin to distort before it reached the suggested operating level.

Programs are changed with increment/decrement keys (Yamahaspeak for up and down buttons) which don't allow for instant changes between setting - you whizz up or down through the numbers and press 'Recall' to engage the program (unless you use MIDI or the optional remote control unit which permit instant access).

The name and parameters of each program are shown in the green LCD in the centre of the SPX90. A key steps you through the parameters which are themselves instantly accessible via another pair of increment/decrement buttons. Once you've altered a preset program to create your own whirling maelstrom of affected sound, the new setting is stored by selecting an unused program number, then pressing the 'Store' key, rather than 'Recall'. You can even name your own progs with the tide edit facility - up to 16 letters, numbers, or thoughtfully provided Japanese characters.

DECISION



SPEC

  • PRICE £599
  • DESCRIPTION Digital multi-effects unit
  • BANDWIDTH 20Hz-12kHz
  • MIDI FACILITIES In/Thru; MIDI program switching
  • CONTROLS Input/Level/Parameter Select/Parameter Increment & Decrement/Balance & Output Selector/Program Store/Program Increment & Decrement/Program Recall/Utility Key/Foot Trigger Select/Bypass/Output Level Select/Input Level Select
  • OUTPUT Stereo from mono output
  • COLOUR Sleek black with pretty coloured LEDs

The £599 question has to be how well does it do all these things? To which the answer is "almost very". If I was a real moaner, I could pick holes in the performance of the SPX90: the reverb sound is slightly gritty, lacking the smoothness of purpose built units; the pitch change programs - all four of them - are difficult to tune, and don't give a particularly clean signal; and you can't trigger the pan with an external signal other that the footswitch or MIDI. See, there are things wrong with it.

But taken against price and all the other excellent facilities on offer, these quibbles shrivel and disappear. It's not an AMS, nor is it even a Rev 7 (the hippest medium price digital reverb recently at about £900), but then the SPX90 will do things that even these exalted beasts shirk from.

It would take five separate effects units (which would collectively cost you almost as much as two SRX90s) to cover all the functions that one SPX90 offers. The problem of not being able to use two effects at a time (flanging your reverb, compressing your gated drum sound) is a disadvantage, though even this is not insurmountable - simply record the effect you want affected, then apply the second SPX90 program.

While some of the effect might not be up to 16-track studio standard, for 8- and 4-track use, the SPX90 is going to prove a vital piece of equipment, which could well transform the sound and quality of home recorded demos. Now go back to your shop and ask to try one out.


Also featuring gear in this article



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Blitzing The Bookers

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Chord of the Month


Making Music - Copyright: Track Record Publishing Ltd, Nexus Media Ltd.

 

Making Music - Apr 1986

Gear in this article:

Studio FX > Yamaha > SPX90


Gear Tags:

Digital FX
MultiFX

Review by Jon Lewin

Previous article in this issue:

> Blitzing The Bookers

Next article in this issue:

> Chord of the Month


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