analogue solutions concussor modules are the same physical size and use the same power connectors as doepfer a-100 modules. they will mount in doepfer eurorack cases and are 100% compatible when patching. the following analogue solutions modules require +5v power: bd99, cb88, hh88, m2cv, mt16, gt8 and sq8. when using them in a doepfer case, an a-100 ad5 +5v adaptor board is required.