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HomeMultitest plug in filters – ten plug in filters – measurements and blind testQK1 – Grid noise – red – base – green – with QK1

QK1 – Grid noise – red – base – green – with QK1

QK1 - Grid noise - red - base - green - with QK1
QK1 – Grid noise – 10 KHz – 1 MHz – purple = with QK1
QK1 – Grid noise – yellow – base – purple – with QK1

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Alpha Audio - Haarlem - Netherlands

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