William V. Trowbridge has been appointed president of Gentner Electronics Corp., 1025 Research Way, a company that manufactures electronic equipment used in radio and television stations, conference rooms, recording studios and auditoriums.

In replacing Russell D. Gentner, Trowbridge will assume his duties today. Gentner will continue to hold the post of chairman of the board of directors and chief executive officer and concentrate of developing the company's future growth opportunities and expansion into foreign markets.Trowbridge will oversee the ongoing operations also with the integration of growth opportunities into the company. He will direct the company's manufacturing and product management teams and direct the company financial affairs.

He has been a director, vice president of finance and chief operating officer since he joined Gentner in January 1988.