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DESCRIPTION
Got Big Amplifier? 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. 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.
Features
Small design won’t block connectors sockets or cables
Intelligently stops any DC voltage from the mains to eliminate transformer hum
EMI shielding is retained while equipment safety is unaffected
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: 2.7” x 1.5” x 1.3”
Weight: 0.13
DESCRIPTION
Got Big Amplifier? 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. 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.
Features
Small design won’t block connectors sockets or cables
Intelligently stops any DC voltage from the mains to eliminate transformer hum
EMI shielding is retained while equipment safety is unaffected
SPECIFICATIONS
ZERO DC Block technology: Blocks incoming DC – up to 1,200mV