Gentner Electronics Corp. of Salt Lake City had revenue of $792,247 in the January-March quarter, compared to $558,037 in the same quarter a year ago, according to president Russell D. Gentner.

In the nine-month period ending March 31, 1988, Gentner said the company had $2.2 million in revenue compared to $1.6 million in the same period a year ago.Gentner said that in March the company took a major step to becoming the leader in broadcast automation equipment and digital audio storage by acquiring Microprobe Electronics Inc. of Lake Forest, Ill. He said MEI products will be an ideal blend into Gentner's audio product line.