I have a Marshall DSL 40C amp that the digital reverb came loose from it's 12 pin connector. I suspect that while it was floating loose, it may have damaged the IC's of the digital reverb board model DFXX-91001. I can find a DFXX-90000 for a MG250DFX amplifier that looks identical from golden compass. Does anyone know where I can obtain the DFX-91001 or confirm that the DFXX-90000 is the same? Thanks !