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Marantz PM-15S2 review
While the PM-15S2 Limited features luxurious, black anodized aluminum
casework, the beauty of this extraordinary new component runs more than
skin deep. Key design attributes, some first explored in the award winning
MA-9S2 monoblock amplifier, lift the sonic integrity of the 15 to a level
that belies its approachable price. HDAM-SA3 modules offer high slew rate
and low noise operation and contribute to the highly resolved sonic
character of the component. A custom-wound torroidal power transformer
anchors a high current, regulated power supply that’s been newly tuned
for quick response. Twin 20,000 microfarad filter capacitors are custom
made for Marantz and provide huge current reserves for enhanced bass
control. A current feedback power amplifier delivers 90 watts per channel
into 8 ohms and features a DC servo for superior low frequency response.
Vinyl enthusiasts will appreciate the fast, sonically neutral qualities of
the constant current feedback moving magnet phono stage, as well as the
vivid imaging afforded by a digitally controlled analog volume stage that
boasts channel to channel accuracy within .5 dB. HDAM-SA2 modules are
deployed in a buffer configuration at the CD input for enhanced linearity.
A Bi-Mode setting makes it possible to operate two PM-15S2 as
mono-integrated amplifiers for total left-right channel isolation while a
power amp direct input allows complete integration with a home theater
processor at the touch of a button.
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