Accuphase E-550 Integrated Amplifier features:
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Revolutionary AAVA volume control
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Power MOS-FETs in triple parallel push-pull configuration driven in pure class A
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Current feedback principle and MCS+ topology in power amplifier section
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Logic-control relays for straight and short signal paths
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Sturdy power supply with large toroidal transformer and high filtering capacity
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EXT PRE button allows independent use of preamplifier and power amplifier sections
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