A ground-up design, the PM-11S1 fulfills the promise of no-compromise sound with the finest wideband sources. It also preserves the simple yet elegant design that has distinguished Marantz for more than half a century. An unequalled array of technology and craftsmanship reside inside the champagne-finished,
copper-plated chassis. The PM-11S1's circuitry draws directly from the SC-9S1 preamplifier and MA-9S1 monoblock power amplifier. A toroidal transformer
forms the heart of a prodigious multi-segmented power supply that thoroughly isolates each stage and allows the wideband amplifier section to double its output as speaker impedance drops. All inputs and outputs, including the MM/MC phono, are buffered with Marantz's HDAM-SA modules to insures satin-smooth
signal transfer. The precision Wolfson WM8816 volume control and WBT speaker terminals merely hint at further refinements. A floating control bus synchronizes
multiple PM-11S1s for use in the finest multi-channel music systems.
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SC-7S1/MA-S1 Inherited Design
Massive Hybrid Toroidal Transformer
Choke Input System Power Supply Circuit
Fully Balanced Pre-Amplifier Construction
Dual Mono-block Power Amplifier Construction
Evolved New HDAM SA2
High-precision Liner Volume Control
Marantz F.C.B.S (Floating Control Bus System) for the Ultimate Multi-Ch Configuration
Zero Noise LCD Display
See also link.