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Audio Accessories - Audio Coils

Custom made to your specifications


Layer Wound Coils

Bar Coils

Bobbins

Ferrites

EL Coils

U/UU Coils





GRT-MARS was first certified ISO 9000 in May 2001by SGS, a leading international ISO consulting and audit firm. In August 2003, we received ISO 9001:2000 certification. By earning ISO 9001:2000 certification, GRT-MARS affirms its commitment to a quality management system dedicated to delivering services of consistently high quality — quality that is paramount — to our many, varied clients with global interests.