{"id":1301,"date":"2026-04-01T08:00:58","date_gmt":"2026-04-01T08:00:58","guid":{"rendered":"https:\/\/www.mangoest.be\/?post_type=product&p=1301"},"modified":"2026-04-01T08:21:07","modified_gmt":"2026-04-01T08:21:07","slug":"198x-midi-interface","status":"publish","type":"product","link":"https:\/\/www.mangoest.be\/?product=198x-midi-interface","title":{"rendered":"198x MIDI INTERFACE"},"content":{"rendered":"

The <\/span>198x MIDI Interface<\/b><\/span> by MANGOEST is a precision MIDI-to-CV converter designed to bridge the gap between modern MIDI controllers\/sequencers and vintage or modern Buchla-format modular systems. <\/span><\/p>\n

It features a high-resolution 12-bit DAC to ensure accurate tracking across multiple voltage standards, including the classic Buchla 1.2V\/octave scale. <\/span><\/p>\n

Interface Guide<\/b><\/span><\/h3>\n

1. Note Priority Switch<\/b><\/span><\/h4>\n

This 3-way toggle switch determines how the module handles multiple simultaneous MIDI notes (polyphonic input) when generating its monophonic CV outputs:<\/span><\/p>\n

    \n
  • \n

    Last:<\/b><\/span> The most recently played note takes precedence.<\/span><\/p>\n<\/li>\n

  • \n

    Highest:<\/b><\/span> The highest-pitched note currently held takes precedence.<\/span><\/p>\n<\/li>\n

  • \n

    Lowest:<\/b><\/span> The lowest-pitched note currently held takes precedence.<\/span><\/p>\n<\/li>\n<\/ul>\n

    2. Timing Outputs<\/b><\/span><\/h4>\n
      \n
    • \n

      Clock:<\/b><\/span> Outputs a 10V, 20ms pulse for every quarter note received via MIDI clock. The adjacent yellow LED provides visual tempo feedback.<\/span><\/p>\n<\/li>\n

    • \n

      Gate:<\/b><\/span> A high 10V signal that stays active as long as any MIDI key is depressed.<\/span><\/p>\n<\/li>\n

    • \n

      Trig (Trigger):<\/b><\/span> A 10V, 20ms pulse generated every time a new MIDI Note On message is received. The red LED indicates trigger activity.<\/span><\/p>\n<\/li>\n<\/ul>\n

      3. Note CV Outputs (12-bit DAC)<\/b><\/span><\/h4>\n

      The module provides three simultaneous outputs for pitch, allowing for easy integration with various oscillator standards:<\/span><\/p>\n

        \n
      • \n

        Note 1V\/oct:<\/b><\/span> Standard Modern pitch scaling.<\/span><\/p>\n<\/li>\n

      • \n

        Note 1.2V\/oct:<\/b><\/span> Traditional Buchla pitch scaling.<\/span><\/p>\n<\/li>\n

      • \n

        Note 2V\/oct:<\/b><\/span> Alternative vintage scaling.<\/span><\/p>\n<\/li>\n<\/ul>\n

        4. Expression & Performance CV<\/b><\/span><\/h4>\n
          \n
        • \n

          Pitchbend:<\/b><\/span> Outputs a bipolar voltage (0.5V) controlled by the MIDI pitch wheel.<\/span><\/p>\n<\/li>\n

        • \n

          Velocity:<\/b><\/span> Converts MIDI velocity (0\u2013127) to a 0V to 8V CV signal.<\/span><\/p>\n<\/li>\n

        • \n

          CC (Control Change):<\/b><\/span> Converts a specific MIDI CC message (default CC#1\/Mod Wheel) to a 0V to 8V CV signal.<\/span><\/p>\n<\/li>\n<\/ul>\n

          5. MIDI Ports<\/b><\/span><\/h4>\n
            \n
          • \n

            MIDI In:<\/b><\/span> Connect your MIDI controller, sequencer, or DAW interface here.<\/span><\/p>\n<\/li>\n

          • \n

            MIDI Thru:<\/b><\/span> Passes an exact copy of the MIDI data received at the “In” port to daisy-chain other MIDI devices.<\/span><\/p>\n<\/li>\n<\/ul>\n

            \n","protected":false},"excerpt":{"rendered":"

            The <\/span>198x MIDI Interface<\/b><\/span> by MANGOEST is a precision MIDI-to-CV converter designed to bridge the gap between modern MIDI controllers\/sequencers and vintage or modern Buchla-format modular systems. <\/span><\/p>\n

            It features a high-resolution 12-bit DAC to ensure accurate tracking across multiple voltage standards, including the classic Buchla 1.2V\/octave scale. <\/span><\/p>\n","protected":false},"featured_media":1304,"template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[47],"class_list":{"0":"post-1301","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-4u-modules","7":"product_tag-4u","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/product\/1301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/media\/1304"}],"wp:attachment":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1301"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=1301"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=1301"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=1301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}