The VCL-373 is a recreation of an early 60s broadcasting compressor. It includes a faithful emulation of the audio circuitry and adds some convenient features in the digital domain. The F-59 is a recreation of the late '50s classic that set the course for decades of guitar amplification technology. A cab emulation and a linear level control have been added for more versatility. The TCS-68 was made to pay homage to one of the most iconic cassette tape based 8-track recorders including a faithful recreation of the preamp, the tape system and the EQ. The Bucket-500 is an authentic emulation of a bucket brigade (BBD) based analog delay circuit with some convenient features added in the digital domain. The VCL-4 is a faithful emulation of the op amp based successor of the classic late 60s opto leveler. Unintrusive to extreme opto compression with switchable ratio.