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This bundle not only enhances your instrument’s memory capacity and functionality
greatly improved replacement for the old Reticon R5609 Anti-Aliasing Low Pass Filter used in the Kurzweil K250 12-channel synthesizer
compatibility and originality in mind
Pre-measured power supply wires
R5609 Anti-Aliasing Filter Upgrade module with very low THD+N K250 This bundle not only enhancesHere is a modern day, greatly improved replacement for the old Reticon R5609 Anti Aliasing Low Pass Filter used in the Kurzweil K250 12 channel synthesizer. These R5609 have not been made in many decades and are hard to get. In addition, these original chips were one of the primary limitations for distortion and noise in the K250. MAXIM makes a modern day part (MAX291) that has been adapted to match the pinout of the R5609 and provides over 20dB lower
