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"Got my recordings today. Was very impressed with the quality. One record was in such bad shape I never would have believed anything could be done with it. Dr Coban is great to work with and really shows he cares, not only by the great work he does, but also by the way he treats his costumers. Thanks a million! I will be sending more records in ..."


Circuit in which information from many sources is switched in a defined order to be sent to a single destination.