BRAND : ACTIVE FILTER DV -04 MODEL : DV - 04 DESCRIPTION : An active filter is a type of analog circuit implementing an electronic filter using active components, typically an amplifier. Amplifiers included in a filter design can be used to improve the cost, performance and predictability of a filter Weight : 2.68 kg SPECIFICATION : SERIAL NO : 126140 48 - 62 HZ CONDITION : USED *TESTED , GOOD RUNNING CONDITION ( PRICE AS PER FOB PRICE ) ( PRICE IS NEGOTIABLE )