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  • TB-303 / RE-303 /...

    Accessories, Rare Parts & Kits for TB-303, RE-303 & X0xb0x
    Find essential accessories, rare replacement parts, and DIY kits for your TB-303, RE-303, or X0xb0x. Perfect for repairs, upgrades, and custom builds to keep your acid bass synth sounding great.

    Roland TB-303 Service Manual

  • Transistors N.O.S

    New Old Sock Transistors From Different Manufacturers

  • Rare Parts for TR-909,...

    Accessories, Rare Parts & Kits for Roland TR-909 & RE-909
    Find essential accessories, rare replacement parts, and DIY kits for your Roland TR-909 and Dinsync RE-909 drum machines. Ideal for repairs, upgrades, and custom builds to keep your classic analog drum machine sounding perfect.

    • Find rare and high-quality replacement parts for the iconic Roland TR-909 drum machine and its clones. Perfect for DIY enthusiasts and vintage synth restorers looking to maintain or upgrade their classic analog instruments.

    Roland TR-909 Service Manual

  • ROLAND TB-303 CASE

    Roland TB-303 Graphics for Original Case  or 3d printed case. 

  • TR-808 / RE-808 RARE...

    Accessories, Rare Parts & Kits for Roland TR-808 & RE-808
    Discover essential accessories, rare replacement parts, and DIY kits for your Roland TR-808 and RE-808 drum machines. Perfect for repairs, upgrades, and custom builds to keep your classic analog beats alive.

    Roland TR-808 Service Manual 

  • INTEGRATED CIRCUITS N.O.S

    New Old Stock Integrated Circuits From Different Manufacturers.

  • TR-909 Key Caps

    TR-909 Style Key Caps For Cherry MX switches,  

    Compatible SR-909 - RE-909

    *NAVA* Depends of the Case manufacturer.

    NO COMPATIBLE ORIGINAL WITH TR-909 ALPS SWITCHES

  • TR-909 MODBOX

    Breakout Box for Roland TR-909 with 4 extra controls 

    Compatible with SR-909 - RE-909

  • DIY Synth/ Studio Gear...

    DIY Synth & Studio Gear Assembly Service – Expert Build & Parts Sourcing

    Looking for a reliable DIY synth assembly service or professional studio gear build? At Cray1 Audio, we bring years of expertise in building custom synthesizers, modular synth kits, and professional studio equipment.

    We specialize in sourcing quality components and assembling a wide range of projects, including:

    • RE-XXX modules and vintage synth clones

    • Syncussion 

    • Mastering compressors and analog equalizers

    • Custom DIY synth kits and studio gear

    Our professional assembly service ensures your gear is built with precision, fully tested, and ready to perform in your studio or live setup.

    Why choose Cray1 Audio for your DIY synth build?

    • Experienced builders with deep knowledge of synth and audio hardware

    • Complete parts sourcing to save you time and ensure quality

    • Support for complex DIY kits and rare vintage gear clones

    • Guaranteed functional and reliable builds delivered to you

    Explore our portfolio of completed builds 

     Here

    Start your DIY synth or studio gear project today — contact us via the form for a custom quote!

    Ready to get started? Contact us today via the contact form to discuss your project and get a custom quote.

  • SYNCUSSION SY-1 Rare...

    SYNCUSSION rare parts and accesories.

  • SH-101 - RE-101 RARE...
  • TR-606 / RE-606 RARE...
  • REVOLUTION 909 V5...
    REVOLUTION 909 V5 FIRMWARE  INSTALLATION  SERVICE 

    The Revolution 909 B upgrade consists of two hardware modules which replace some integrated circuits on the 909’s Switch Board.
    The first is a hardware memory expansion module including a new version 5 of the software.
    The second is a small hardware enhancement to the 7-segment LED driver to display alphanumeric characters.

    The new v5 firmware not only contains fixes and optimizations of the original versions 1 and 4, but new features have also been added!
    The functionality and timing of the original sequencer has been preserved.
    The spirit and philosophy of the machine has been respected. Remember, we always run on the same CPU

    Legacy versions 1 and 4 are also present in ROM and can be selected by a simple key combination.

    This upgrade is fully compatible with the TR-909, the RE-909 and the SR-909.

    The installation is totally non-destructive, no holes to drill, no traces to cut.

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