DIY Eurorack VCF using Fatkeys™ SSI2144 from Sound SemiconductorDesigned by PM Foundations in United States of America
Please always use genuine ICs.
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Now you can build your own FATKEYS™ FOUR-POLE VOLTAGE CONTROLLED FILTER (SSI2144) that reprises the SSM2044 of legacy chipmaker Solid State Microtechnology, which many believe to be the best-soundi...Read More…
Now you can build your own FATKEYS™ FOUR-POLE VOLTAGE CONTROLLED FILTER (SSI2144) that reprises the SSM2044 of legacy chipmaker Solid State Microtechnology, which many believe to be the best-sounding analog synthesis filter IC ever produced.
This is a PCB and Panel set only. One high quality PCB and one front panel ONLY are included. You will need to purchase your own components and build your own module. Comprehensive build instructions and BOMs are provided to help you source the components needed and we even provide links to shopping carts to simplify sourcing those components. Some product photos above show COMPLETED build.
NOTE: When ordering parts for this board, remember that you can solder an SSOP package directly to the board OR buy an adapter and solder the SSOP package to that so that you can use a socket on the board. This board will also accept the original SSM2044. Read the assembly guide in the documentation for full details.
Based on Dave Rossum’s patented classic improved ladder topology, the SSI2144 allows rich tonal characteristics that showcase the very best attributes of subtractive synthesis. Most importantly, the SSI2144 preserves the coveted sonic character of the SSM2044.
Read more about the SSI2144 from Sound Semiconductor
This is a low component count project so you can have high quality VCFs in your rack with minimum expense.
Build it yourself - This is a set of one high quality PCB and front panel ONLY for users who want to purchase their own components and build their own module. Some product photos above show COMPLETED build.
You can purchase the SSI2144 and/or DIP16 adapter from various sources including Modular Addict.
SyntherJack has an adapter that you can buy or make and you may use these Flip pins to complete your adapter.
This module will fit perfectly into a 6HP Eurorack space.
Comprehensive manuals, parts lists and component shopping carts are provided in the documentation link for building, testing and using the module.
Fatkeys is a trademark of Sound Semiconductor.
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Shipping times to Europe and Australia/New Zealand are extremely long due to circumstances beyond our control and in some cases can take up to 2 months. Please ask about Priority Shipping if you would like a faster service.
Callum | May 7, 2018
Ken | Jan. 31, 2018
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