ST552, CP554, ST596, C2584 and EQ522 are among HRKs most popular products.
Stereo 500 series color processor
Classic Baxandall 3 Band Equalizer from 80’s
Colour Preamp with Germanium EQ
3 Band Equalizer from 80’s
Passive Valve 2 Bands EQ
Analog Saturation Colour Processor with TILT EQ
CLASS A VALVE OPTOCOMPRESSOR
Mono Parallel Colour Processor with Smart EQ
Harmonics Analog Saturation Processor and Tape Emulator
Studio Grade Mic Preamp with EQ
Analog Tape Emulator and Harmonic Processor
2 Channel (Stereo) Saturation Colour Processor
Analog Saturation Processor with 4 Colour Slots
Passive Valve Two Band Equalizer
2 BAND GERMANIUM EQUALISER
Diode Bridge Compressor