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Product Code: AM8121PCB
Product Description
This is the PCB for the AM8121 Voltage Controlled Filter. This PCB can be used to build a FracRac (15v power and MOTM style 4-pin power connector) or EuroRack (10-pin 12V Doepfer Bus power connector).
The AM8121 is a replication of the Low Pass Filter from the legendary Roland 100M. This is a 4-pole OTA design that Roland first used in the Roland 700 (with CA3080's) and then the 100M (with BA662's). This is a warm sounding filter with smooth frequency control and a resonance that gradually increases up to full self oscillation. There is a 4-mode High Pass Filter which provide a bypass setting and then 3 levels of high pass filtering from a one pole design.

Project Notes These explain how to build the module and the parts needed.

AM8121 Project Notes V1.0

Hard to Find Components The AM8121 uses 4x BA6110 OTA chips which can be bought from eBay.
RRP £20.00
£15.00 inc. tax
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Product Details
weight: 60g
Product Condition: New
Product Description
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