| Blue Marvin - All metal chassis, blue face, Teledyne octal op-amps, no fine tune VCF slider, no mult, no power indicator lamp, PCBs mounted to front panel via Switchcraft 142A connectors, function symbols silk screened under normalled jacks. Gray Meanie - All metal chassis, gray face, Teledyne octal op-amps, rev B VCF board with fine tune VCF slider, addition of mult, no power indicator lamp, PCBs mounted to front panel via Switchcraft 142A connectors, function symbols silk screened under normalled jacks. Gray Face Tonus Logo Rev 1 - Tolex wooden chassis, gray face, ARP Tonus logo, panel 14.5" tall (no gap in S&H internal clock silk screening and tolex case), all trimmer functions silkscreened on front panel, octal LM301 op-amps, rev B VCF board, 4017 oscillators, 4012 filter, 4410 ADSR labeled as "Board 4-1", addition of power indicator lamp, PCBs mounted to front panel via Switchcraft 142A connectors, function symbols silk screened under normalled jacks, rectangular speaker grille pattern, power supply caps mounted on bottom side of PCB. Gray Face Tonus Logo Rev 2 - Tolex wooden chassis, gray face, ARP Tonus logo, panel 15.5" tall (3/4" gap in S&H internal clock silk screening and tolex case), all trimmer functions silkscreened on front panel, LM301 op-amps, rev B VCF board, rev B board 4-2, 4027 oscillators, 4012 filter, small footprint 4410 ADSR, PCBs mounted to front panel via Switchcraft 142A connectors, function symbols silk screened under normalled jacks, rectangular speaker grille pattern, new power supply design with caps mounted on component side of PCB. Gray Face G Clef Logo Rev 1 Gray Face G Clef Logo Rev 2 Gray Face G Clef Logo Rev 3 Orange and Black Face | ||||
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