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About the PM94
The Marantz PM-94 is a classic integrated amplifier produced from 1985 to 1991 in Japan. It features Marantz's unique 'Quarter A' operation, running in pure Class A up to about a quarter of its rated power, then switching to Class AB for higher output levels. This design provides 35 watts per channel in pure Class A and 140 watts per channel in Class AB into 8 ohms. The amplifier uses a triple push-pull MOS-FET output stage with four separate power supplies to reduce hum and crosstalk. It has a copper-plated chassis, oxygen-free copper wiring, and gold-plated connectors for superior signal integrity. The PM-94 includes separate bass and treble controls for each channel and allows bypassing tone controls for direct CD and phono inputs. The phono section supports MM and MC cartridges with a high-quality MC transformer. It weighs approximately 23 kg and measures 465 x 146 x 410 mm. The amplifier is known for its warm, detailed sound and robust build quality, making it a sought-after vintage high-fidelity component.
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