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MP221 Microphone Preamplifier Contents: Box Contents: 1 x MP221 Safety • 1 x 12 Power Supply – region Introduction • specific Installation • 1 x 3-pole Jack output cable Operation • 1 x Handbook (this document) Troubleshooting • Specification •...
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• Installation The MP221 is designed to be freestanding, but can be mounted in combination with many of the Ampetronic range of Induction Loop Drivers by using the RM-1U rack mount kit with correct blanking plate(s). Connect each input as required using screened cable with a balanced connection where possible.
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Check that the relevant volume control is adjusted correctly. • Check the output cable between MP221, and the next unit in the chain. • Signal is heard, but the ‘Overload’ LED is illuminated One of the channels or the combined total of the inputs is creating a signal level internally that is near to or actually clipping.
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Warranty Information This product carries a five year parts and labour warranty from date of shipment from Ampetronic. To qualify for the five year warranty, the product must be registered at www.ampetronic.co (products/warranty), without which the warranty will be valid for two years only.
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