Korg, the following features are different or new: 8U 19-inch rack chassis No speakers Digital spring reverb simulation instead of a physical spring tank (Behringer also makes "Blue Marvin" and "Gray Meanie" versions with a physical spring tank) LED faders VCO3 can output a sine or triangle wave, and has a PWM patch point VCO2 and 3 can sync to VCO1 Both VCF versions available, selected with switch TTSH Beginning in 2013, Swedish DIY synthesizer designer The Human Comparator has created multiple iterations of 3/4 scale PCB kits featuring circuitry and front-panel designs identical to the ARP 2600 (minus the keyboard). Dubbed the TTSH ("Two Thousand Six Hundred"), this project allows a hobbyist to build their own synthesizer for a fraction of the price ($499USD for a panel and PCB set) of the original. Gallery Notable users The following is a partial list of artists and musical groups who have used the ARP 2600: 808 State Ben Burtt — voice of R2-D2 in Star Wars Bee Gees — bass in Jive Talkin' Brian Eno BT Chemical Brothers — used on Dig Your Own Hole Daniel Miller Depeche Mode Edgar Winter (Frankenstein) Gaudi Herbie Hancock Jean Michel Jarre Joe Zawinul — usually played two with Weather Report, one for each hand Mary McCarty Snow Nine Inch Nails Nitzer Ebb Orbital Ozzy Osbourne — used on Who Are You? Pete Townshend Rush (band) Stevie Wonder Tony Banks (Genesis) Underworld Vince Clarke References External links The ARP 2600: Evolution and Revolution The Metamorphosis of an Iconic Instrument - Google Arts & Culture / Music Makers Machines exhibit The Alan R. Pearlman Foundation Vintage Synth Explorer ARP 2600 Patch Diagram - Patch Diagram, useful for "saving" your patches ARP 2600 Test Report - GreatSynthesizers YouTube links "Arp2600 Demo" - A YouTube demo of the 2600. Later episodes go into detail about building patches. ARP synthesizers Analog synthesizers Monophonic synthesizers