500 Series
500 Series modules and racks—born from API’s modular format, now a studio standard for preamps, EQs, dynamics, and custom signal chains.
403 products
API 512V Discrete Mic/Line Preamp (Used)
Rupert Neve R6 500 Series Chassis (Used)
Rupert Neve Designs 510 500-Series Blank Panel (Pair) (Used)
Elysia Xfilter 500 Stereo EQ (Used)
Midas L6 500 Series Chassis (Used)
Rupert Neve R10 500 Series Rack (Used)
IGS Tubecore 500 Compressor (Used)
Solid State Logic SiX Channel Strip (Used)

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Solid State Logic 611 E-EQ (Used)
Rupert Neve Designs R6 Rack Kit (Used)
Rupert Neve 542 Tape Emulator (Pair) (Used)
SSL 611 EQ E-Series EQ (Pair) (Used)
Standard Audio Level-Or (Used)
IGS Tubecore 500 Compressor (Used)
Elysia Karacter 500 Series Saturation Module (Used)

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Purple Audio Action FET Compressor (Pair) (Used)
Retro Instruments 500PRE (Used)