PSP oldTimerMB is a vintage-style multi-band compressor designed for demanding track processing, buss and mix compression, and mastering. (VST, VST3, AudioUnit, AAX and RTAS plug-in) Our aim in developing this plug-in was to design a high end multi-band processor based on the algorithm from our best-selling PSP oldTimer compressor. The result is a musical and warm sounding processor with a range of controls making it a vital tool for virtually any kind of music. Switchable and adjustable output valve emulation give's you a choice of additional color to the sound. Thank you, and please enjoy the versatility and quality of PSP oldTimerMB!