MATRIXSYNTH: Casio AT-40 in Iraq with Arabic Writing


Thursday, May 03, 2007

Casio AT-40 in Iraq with Arabic Writing


via Daniel:

"A casio AT-40 with arabic lettering that I spotted in Hewler/Arbil in northern Iraq in december last year. I should have bought it!"

WOW!

11 comments:

  1. I'm pretty sure that this is an MT-40. From zooming in, it appears that it has arabic tuning system. Hold down the uppermost C, and there is an octave each of keys to set the notes sharp or flat by a quarter tone.

    This is so freakin cool. I just flipped out. I never knew keyboards other than the SK8a had Arabic features. I will now revue service manuals for unused pins in the hope of finding this feature hidden in other keyboards.

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  2. The interesting thing about many of the Casio devices is what _isn't_ there. The SK-1, for example, has quite a few holes in its switch matrix. One begins to wonder what implemented yet isolated features are lurking in the ROM... waiting to be called.

    If anyone has any documentation on Oki's larger M62xx microcontrollers, let me know. I'm in the mood for some disassembly.

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  3. That's NOT an MT-40. The MT-40 has a small bass-keyboard section to the left of the normal keyboard.

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  4. Looks like the mt-45, which I have previously considered to be one of the most frustratingly useless casios of that era ... well, well, well, not anymore! nice work chaps!

    oh and an aside - the contemporary casio arabic model seems to be impossible to order outside of Turkey. (unless one finds one in an opshop in Shepparton, AUS). Though there are rebranded ones floating about that cost stupid amounts of money.

    ReplyDelete
  5. anonymous is correct, it's not an mt-40, I typo'd.

    A quick look at the mt45 documentations reveal a wealth of un-attached positions in the key/control matrix.

    I shall explore this in the next day or two, hopefully will have results worth sharing.

    It is widely believed that you can turn an SK5 into the arabic part of an SK8a -- the positions are wired up on the PCB, there is just no switch to connect them to the outside world. I value my sk5 too highly to muck with it too much. MT45s, on the other hand -- I've got quite a few of them, and quite a few units that use the same synthesis chip.

    ReplyDelete
  6. I checked the photos and it is actually a Casiotone AT-40!
    Must have been tired while typing...
    I'll ask a friend over there if he can go back to the shop and buy it for me!

    /Daniel

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  7. hmm... I have a Casio AT-40 but the prob is that there's no sound :S anyone who can help??

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  8. Sarah_G said...

    I'll help you fix it...message me!!!

    ReplyDelete
  9. Hello, 13 years later I come to say that I have got an AT-40 but there is no way to get a manual or a way to change the types of scales. Any help is welcome. Greetings from Spain!

    ReplyDelete
    Replies
    1. Hey did you find anything on this yet? There’s one for sale in my town but I cannot find anything about it it’s like it doesn’t exist

      Delete

To reduce spam, comments for posts older than one week are not displayed until approved, usually same day. Do not insult people. For items for sale, do not ask if it is still available. Check the auction link and search for the item. Auctions are from various sellers and expire over time. Posts remain for the pics and historical purposes. This site is meant to be a daily snapshot of some of what was out there in the world of synths.

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