Need contact info for Aronov

I have a aronov ls9000 preanp,and i need to contact the peep who made it. Looked all over internet and no good numbers.Does anyone know how to help? I need a new face plate and manual
I have Aronov amps in one of my systems. But I beleve they are out of business and very hard to reach. Hopefully, someone will be able to give you some information. They were operating from Los Angeles, but old info is useless now. good luck! rudge