The excellent ifi DC Blocker will reduce or eliminate hum coming from the transformer of power amplifiers and other hifi components.
Bye bye mechanical hum.
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.
TheDC Blockeris 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.
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
Equipment safety is unaffected
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.
Specifications
90-240V
Maximum rating >7A, continuous current rating 4A
Small size, universal application, won’t block any other connectors, sockets, or cables.
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
Additional information
Output Voltage
5 volts, 12 volts, 15 volts, 24 volts
Brand
ifi
ifi Audio at Audiologica
iFi Audio, an award-winning British Hi-Fi audio tech company
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