EQUIPMENT HISTORY:
Everything I am describing below is IMPORTANT, read it please!
This digital sound field processor is part of my “collection” of all things audio, both professional and consumer gear. In my previous business (audio post production) I gathered together and sought to keep myself up-to-date with current audio technology. My background is technical so I also like to ‘look around’ inside, assess the build quality and just get a general ‘feel’ for the equipment.
Since around the this digital sound field processor had been sitting in the storeroom of my previous business, ‘played with’ a couple of times by the sound engineer and then put away (not really of much use in our field of work)
We had a lot of professional equipment (Alesis etc) providing most of our audio requirements but liked to evaluate “consumer level” equipment from time to time – such as classic gear from Yamaha, Rotel, Sansui, Marantz, Technics and many more. Surround or multi-channel sound was not our thing, but it was fun to play with at the time, “keeping up with current domestic trends”
Well, my now wife says “for goodness sake, get rid of that mountain of gear” so them’s my orders … out they all go to new homes.
This equipment is old/vintage, around 25 years but still works fine (see my TESTING comments below) it does what it is designed to do, that’s what matters!

THE CONDITION OF THIS EQUIPMENT IS CLEARLY STATED BELOW, BOTH COSMETICALLY AND ELECTRICALLY
There is no warranty, there are no returns (unless it is not operating as indicated in this description) – but I am very thorough and do not “gloss over” any issues I might discover!

YAMAHA – Digital Sound Processor
Made in Japan
Jet Black case finish
In production 1994 ~ 1997
Model: DSP-E580
User Manual (not the original but in printed form) supplied
User Remote Control is NOT supplied (M.I.A) – * see my notes below about this
Dolby Pro Logic Surround decoding
Multi-voltage standard release, currently set for 240V AC 50Hz with a standard Australian 3 pin plug fitted
NOTE: Although a 3 pin plug is fitted, the lead is 2 wire only (Active & Neutral) with the Earth not connected to the equipment (no 3rd wire)
Dual switched power socket at the rear, two flat pins NOT the Australian standard fitting and this allows the user to turn ON auxiliary equipment automatically when this DSP equipment is turned on)
Quite a large piece of equipment
Dimensions: 435mm wide x 146mm high x 400mm deep
Function: To alter the sound characteristics of a 2 channel stereo system, enabling up to 1x Centre Channel (up to 2x speakers) and 2x Rear Channels (2x speakers) to be connected and you can also connect a powered Sub Woofer (low frequency output is available for this)
All additional channels (Centre, Rear) are available as powered outputs to directly drive loudspeakers or line level outputs to provide drive to completely separate amplifiers in addition to the main amplifier and this unit.
Provision for the altering of the audio characteristics to mimic various listening situations such as Concert Hall, Jazz, Karaoke etc – there are 12 preset sound field programs already set up OR the user can create their own sound field program BUT …
You will need the remote and * my remote has gone M.I.A (Missing In Action) as I cannot locate it. The equipment is perfectly useable without the remote except you do need it to program your own custom sound field.
Extensive modifications to the sound are available to the user, across a number of parameters – the idea is to re-create the sound environment e.g if you have an average lounge room and wish to make it sound like a concert hall, this equipment is intended to mimic the sound you might hear in a concert hall.
Quite frankly some of the adjustments are rather bizzare, such as the Reverberation adjustment which can go to 5 seconds! Geez, if I was at a concert and the reverb delay was 5 seconds, I would be leaving with a ve