15 comments


  • autoy

    Yes for a commercial project of this! Do you think it would be feasible to make a voice expansion project using clone JP4 cards to upgrade existing machines? Cheers.

    June 12, 2018
    • amsynths

      Hi, unfortunately its not very practical to add more voices to the JP4. There is nowhere to put them in the case, and the keyboard scanner only does 4 voices. It would be possible to build a 4 or 8 voice rack or boat synth using the new cards and the new patch programmer we are working on. Best Regards Rob

      June 17, 2018
  • Hi there,

    Just leaving my comment that if these cards ever became available I would probably be up for 5 of them for my tech to build.

    Regards

    Russ

    June 12, 2018
  • autoy

    I would buy 4 of them to make an 8-voice JP4 if someone can figure out an expansion. Perhaps a few more as backup.
    Best of luck with this project.

    June 16, 2018
  • autoy

    @amsynths definitely challenging but there’s a lot of air inside the JP4. I can think of at least a few ways to place more cards inside, at least a couple of them for sure. You are right about the key assigner though, it would have to be a new board altogether, like the one Lazlo Kovari is developing for IO V2 now. But 6-voice Jupiter-4? Where do I sign?

    June 18, 2018
  • Allie

    Also leaving a message to say I will buy 4 if made

    July 26, 2018
  • nice one Rob, think I might’ve been watching that JP4 voice board too 🙂

    Any chance you could measure the voice card for us? I had a card drawn up but had second thoughts as to the size of it.

    cheers

    August 31, 2018
    • amsynths

      Hi, Jupiter 4 voice card is 195mm x 90mm and mine will be fitted to a Moog 60HP case….best regards Rob

      September 01, 2018
    • thanks Rob, I was pretty close in the end.

      September 01, 2018
  • Hey ѡould you mind stating which blog platform you’re usіng?
    I’mlooking to start my own blokg in the near future but I’m
    having a difficult time choosing between BloɡEngine/Wordpress/B2evolution annd Drupal.
    The reason I ask іs becɑuse your design seems different tһen most blogs and I’m looking for something unique.
    P.S Apologies for being off-topic but I had tto ask! https://sablonkaossatuanbandung88.blogspot.com/

    January 31, 2019
  • Hey would yoᥙ mind stating whicch blog platform you’re
    using? I’m looking to start my own blog іn the near future but
    I’m having a difficult time choosing between BlogEngine/Wordpress/B2evolution andɗ Drupal.
    The reason I ask is because your deign seems different then molst blogs and I’m
    looкing for something unique. P.S Apologies for being ߋff-topіc but I haⅾ to ask! https://sablonkaossatuanbandung88.blogspot.com/

    January 31, 2019
    • amsynths

      I use WordPress with a custom theme from Rainforest called Dandelion

      January 31, 2019
  • Enrico

    Wow! I will go for 8! (ten years ago I bought 8 jp4 cards.. 4 of the first version and four of the second one, and also a single controller board)
    Considering that you also made a great jp4 oscillator board..why not put that extra osc (pro mars option).
    considering that the cards are ready for external cv control, maybe multiple single voice modulescan be chained and controlled from an external module with memories (similar to the sem by oberheim).

    March 02, 2019
  • Allie

    Hi – just wondering if there is any update on this? Thanks

    April 24, 2019
    • amsynths

      Hi, The Jupiter One is at prototype stage, should be ready in May. Rob

      April 28, 2019

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