IFi Audio DC Blocker – Direct Current Blocker For Audio & AV Systems
Original price was: $107.50.$75.25Current price is: $75.25.
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iFi Audio DC Blocker
The amplifier is the heart of your system. If you have a mechanical hum, deploy the iFi Audio DC Blocker. Many large amplifiers have a really annoying mechanical hum (emitted from the toroidal transformer itself). You can hear it when you place your ear close or next to the chassis.
This 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. The DC Blocker is 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.
Bye bye mechanical hum.
Cute.Clever.
All the benefits of cutting out annoying hum with no drawbacks. Intelligently stops any DC voltage from the mains to eliminate transformer hum. EMI shielding is retained and equipment safety is unaffected.
Behind every good component is DC Blocker.
The 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.
Features
- Maximum rating >7A, continuous current rating 4A
- Small size, universal application, won’t block any other connectors, sockets, or cables
- ZERO DC Block technology stops DC and eliminates amplifier transformer hum
- EMI shielding is retained
- Makes the transformer operate at the optimum environment
- Zero DC pass through
- High-performance glass passivated semiconductor
- High-case dielectric strength of 1500VRMS
Specifications
- ZERO DC Block technology: Blocks incoming DC – up to 1,200mV
- Voltage rating: 90 – 240 volts
- Maximum current rating: > 7A
- Max amplifier power: 880W or VA on 220v; 440W or VA on 110v
- Continuous current rating: 4A
- Universal IEC: Hospital-grade IEC connectors
- Dimensions: 68 x 37 x 32 mm / 2.7” x 1.5” x 1.3”
- Weight: 63g / 2.2oz
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