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The new 5500 Anniversary Edition retains all the sonic and functional characteristics of the standard...

Special Edition 10-band Graphic EQ based on the original API 560 EQ

3 bands of classic API equalization

Limited Edition Stereo Bus Compressor with API’s patented THRUST® filter circuit and Mix/Blend...

Limited Edition channel strip combining the 550A Anniversary Edition EQ and the 312 Anniversary Edition...

Limited Edition 3-band EQ based off the legendary 1971 550A

Limited Edition 312 Microphone Preamp based on the original 1970’s 312 PCB Design