{"product_id":"ifi-silent-power-dc-blocker-open-box","title":"iFi Silent Power DC Blocker (Open Box)","description":"\u003ch5\u003eThe amplifier is the heart of your system.\u003c\/h5\u003e\n\u003cp\u003eIf you have a mechanical hum, deploy the \u003cstrong\u003eDC Blocker\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eGot big amplifier. Bye bye mechanical hum.\u003c\/h2\u003e\n\u003cp\u003eMany large amplifiers have a really annoying mechanical hum (emitted from the toroidal transformer itself).\u003c\/p\u003e\n\u003cp\u003eYou can hear it when you place your ear close or next to the chassis.\u003c\/p\u003e\n\u003cp\u003eThis is caused by a small amount of DC voltage in the mains which makes its way through to the mains transformer, it will become ‘saturated’ and start to hum like a trooper.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDC Blocker \u003c\/strong\u003eis a clever device that you place at the IEC (at the rear power inlet) and as its name implies, it stops DC from getting into the amplifier. It therefore eliminates amplifier transformer hum.\u003c\/p\u003e\n\u003ch2\u003eCute. Clever.\u003c\/h2\u003e\n\u003cp\u003eAll the benefits of cutting out annoying hum with no drawbacks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntelligently stops any DC voltage from the mains to eliminate transformer hum\u003c\/li\u003e\n\u003cli\u003eEMI shielding is retained\u003c\/li\u003e\n\u003cli\u003eEquipment safety is unaffected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBehind every good component is a DC Blocker.\u003c\/h2\u003e\n\u003cp\u003eThe bigger the amplifier, usually, the larger the toroidal which is susceptible to residual DC voltage. JUst add the DC Blocker at the IEC to stop DC from getting in.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e90-240V\u003c\/li\u003e\n\u003cli\u003eMaximum rating \u0026gt;10A, continuous current rating 7A\u003c\/li\u003e\n\u003cli\u003eSmall size, universal application, won’t block any other connectors, sockets, or cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZERO DC Block technology – stops DC from getting into your amplifier and eliminates amplifier transformer hum.\u003c\/li\u003e\n\u003cli\u003eHigh-performance glass passivated semiconductor. High-case dielectric strength of 1500VRMS. UL listed. Flame resistant IEC socket\/connecter\/chassis (Fireproof polymers UL94-V0).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEMI shielding is retained.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe DC Blocker removes such DC and eliminates such mechanical transformer hum, makes the transformer operate at the optimum environment. With the DC Blocker, there is 0 DC pass through.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eZERO DC Block technology\u003c\/td\u003e\n\u003ctd\u003eBlocks incoming DC – up to 1,200mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage rating\u003c\/td\u003e\n\u003ctd\u003e90 – 240 volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum current rating\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous current rating\u003c\/td\u003e\n\u003ctd\u003e7A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal IEC\u003c\/td\u003e\n\u003ctd\u003eHospital-grade IEC connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e68 x 37 x 32 mm \/ 2.7” x 1.5” x 1.3”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e63g \/ 2.2oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"iFi","offers":[{"title":"Default Title","offer_id":44340810154217,"sku":"DC Blocker (OB)","price":116.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/DSCF4068_d2498056-61b4-4c70-acb3-4094c93df17e.jpg?v=1762463695","url":"https:\/\/audio46.mom\/products\/ifi-silent-power-dc-blocker-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}