It's common for most amplifiers to have a disturbing mechanical transformer hum. Caused by a small amount of DC voltage reaching into the audio mains, this hum hinders your music listening experience and that's where the iFi Audio DC Blocker comes into the picture. When you place the DC Blocker at the IEC (at the rear power inlet), the DC blocker does as its name implies, it blocks DC from entering into the audio mains. It is designed to discard transformer hum from all sorts of amplifiers. To get the best result it is ideal to use the DC Blocker with one direct power cable connection. Kindly note that the DC Blocker does not affect the EMI shielding or the safety of any equipment you are using it with.
|ZERO DC BLOCK TECHNOLOGY||Blocks incoming DC – up to 1,200mV|
|VOLTAGE RATING||90 – 240 volts|
|MAXIMUM CURRENT RATING||> 10A|
|CONTINUOUS CURRENT RATING||7A|
|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|
1. iFi Audio DC Blocker
I bought the ifi Audio DC blocker (DCB)with some suspicion as i have a high end amplifier and thought the Hum was not an issue. i just got the ifi DCB by bluedart. As usual the Headphone zone service was excellent and i got the delivery within a couple of days of ordering. My initial reaction on hooking in the DCB on my amplifier mains socket was the increase in clarity. Better low level detail and bass lines were more dilineated and crisp. The treble was more transparent. Guess the SQ will improve further after some hours of running in. This is a must have product for lowering amplifier noise.
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