Synthesizer with Hz/V characteristics for the CV input cannot be controlled with Midi-CV interfaces that follow the 1V/Oct standard (e.g. MCV4, MCV24, A-190), MAUSI). Sorry we have no Midi-CV interface available that follows the Hz/V standard. E.g. these synthesizers are Hz/V.:

• Korg: 770, 900-PS Preset, M-500 Micro Preset, M-500SP Micro Preset, Mini Korg, MS-10, MS-20, MS-50, Synthe-Bass, X-911
• Yamaha: CS5, CS10, CS15, CS15D, CS20M, CS30
• Moog: Taurus I Bass Pedals
• Paia: 2720, 4700 Series

Only for the Korg MS-10 and MS-20 there is a solution to use 1V/Oct Midi-CV interfaces: Controlling Korg MS20 with Volt/Octave Midi interfaces (A190,MCV4,MCV24)