When a small amount of Dc voltage from the mains reaches the transformer, it can cause saturation , leading the transformer to produce a significant and persistent humming sound. You can hear it when you bring your ear close to or next to the chassis. The Dc Blocker+ is a smart device that, when you place it at the Iec (the rear power inlet), prevents Dc from getting into the amplifier, thus eliminating transformer hum
When a small amount of Dc voltage from the mains reaches the transformer, it can cause saturation , leading the transformer to produce a significant and persistent humming sound. You can hear it when you bring your ear close to or next to the chassis. The Dc Blocker+ is a smart device that, when you place it at the Iec (the rear power inlet), prevents Dc from getting into the amplifier, thus eliminating transformer hum
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