Yamaha Equalizer. My father was the original purchaser of this. It was then passed to my brother. It hasnt been used in years, however I did a days worth of testing on a McIntosh system and it worked well. Very good price on this. Please look at all the photos in which you can plainly see all the lights work. Will be boxed with foam and seriously packaged. Thanks for looking

Yamaha EQ-500U Graphic Equalizer with spectrum analyzer, original, hard to find, Yamaha MM-110 electret condenser microphone used to measure acoustic response, and original owners manual. A classic piece of Yamaha sound & light equipment. Fully functional and ready to improve your sound. I am the original owner. It's been used/kept in a climate controlled, pet & smoke free home. It is in very fine condition. Ask any questions.

YAMAHA EQ-500 GRAPHIC EQUALIZER 10 + 10 with SPECTRUM ANALYSER PLEASE, READ ALL BEFORE BUYING: Indicated shipping cost is for the following countries (BUYERS FROM DIFFERENTS COUNTRIES ASK BEFORE BUYING): Austria, Belgium, Czech Republic, France, Germany, Italy, The Netherlands and Poland. Citizens from UK, please ask for shippping cost before buying. GOOD TECHNICAL CONDITION: FRONT HAVE BEEN FULLY DISMANTLE AND ALL VARIABLE POTENTIOMETERS HAVE BEEN CLEANED. COSMETICALLY: FRONT AND TOP GOOD CONDITION WITH SOME LITTLE MARKS. BACK AND BOTTOM PANNELS WITH STAINS (SEE PICS FOR DETAILS). ESPAOL: COSTE DE ENVO ESTIMADO A PENNSULA. NO SE HACEN ENVOS A CANARIAS. PARA OTROS DESTINOS, CONSULTEN PRO FAVOR ANTES DE COMPRAR. BUEN ESTADO TCNICO. SE HA DESMONTADO Y LIMPIADO TODOS LOS POTENCIMETROS. ESTADO ESTTICO DEL FRONTAL Y TAPA SUPERIOR BUENO. LA PARTE TRASERA E INFERIOR CON MANCHAS EN EL METAL.