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Protect your loudspeaker investment with the K4700U kit from Velleman. Once assembled, it can be integrated into a commercially-available or custom stereo amplifier, or put in its own enclosure. The result is that your speakers will be protected against excessive harmful DC voltage and the "thump" that's heard from some amplifiers when turning them on.
Specifications: • Switch-delay: ±6 seconds • DC protection: +1V, -1V • Maximum switching current: 10A • Required voltage: 110 VAC • PCB dimensions: 4.9" x 2.2".
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