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Date   : Tue, 01 Aug 2006 16:38:20 +0100
From   : Richard Kilpatrick <oldcomputers@...>
Subject: Hybrid Music - determined attempt!

I sold my last one about 3 years ago because it took up too much  
space in the studio, tipped over when I moved the trolley to get  
space to do other things, and dropped the monitor! I've now  
reorganised everything, and I'm looking to rebuild a Hybrid system  
with the aim of comparing it to the Apple II-based AlphaSyntauri and  
some other systems (CX5M, Apple IIgs). I've asked these questions a  
few times, but without answers. The article is really looking at 8- 
bit era computer-based synthesis/music.

Anyway; here goes.

I've got a Music 5000 and a Music 500 (issue 2, 1984 board, looks  
absolutely identical to the 5000 in every way). Assuming that they  
both work, will daisy-chaining them be identical to having a Music  
5000 and 3000 or do I need to modify anything - I see there is a link  
on the PCB and a solder pad nearby. I can see no other obvious ways  
to make a 5000 'different' - no ROM or anything. Somehow the audio  
outputs are siamesed, so detail of that cable would be useful  
(resistor to lower levels? Something more sophisticated?).

I need a Music 4000 to control it; if anyone has the pinout for this  
I am assuming it's not exactly a complex device electronically - I'm  
wondering if it will be possible to modify the equally simple  
keyboard from a Yamaha CX5M to perform the same task.

I have never used a Music 2000, but for my article, it would be very  
useful to see how well the MIDI interface can be integrated. It looks  
to me like the software controlling it was decidedly user-unfriendly,  
in context.

A broken Music 1000 would be handy for pictures, as long as the case  
is alright.

What is the Music 6000, was it ever released? It says "Music Sensor"  
in the few posts I find mentioning it.

And of course, if anyone has a matched pair/patched ROM/disk, or  
sideways-loading ROM image and patched software, I'd really  
appreciate it. I'm aiming to make my own but the whole process  
involves my flaky A410 and too many disk drives. I have both 5.25"  
and 3.5" drives for my Master (the latter I hope will work, they're  
from a QL, 720K ones).

 From the article point of view, I'd also like to know what each  
component cost new, and when the Music 5000 system was actually  
released. My current thinking is that Music 5000 etc. appeared around  
1987 - just in time for the BBC B to be obsolete and the Archimedes  
to be launched, and a year before the Korg M1 made synthesizers with  
sequencers commonplace.

Since everything is on the 1MHz bus, I'm guessing that is the  
bottleneck - but I am wondering if a Master Turbo might provide a  
kick to the software, or break the timing completely.

I'd prefer to buy these items than borrow them, because then I don't  
need to worry about them expiring on me, or trying to finish things  
in a certain timescale - but I do need to get this lot together  
somehow to finish my article.

Richard

-- 
Tasty Other - Because Far Too Much in Life Makes Sense
Music for download - coming soon (RIP MP3.com)
G.A.S. http://www.dmc12.demon.co.uk/music/
Platform: PowerMac G5 2.0GHz Dual, 20" LCD, Logic, Hammerfall.
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