Ultimate Performance AMP 20’s custom-developed Class D amplification and refined HDAM-SA2 technology create the most incredible theatrical experience possible in your home. It cleverly combines very high-power output and high channel count to create a master reference-level amplifier for ultimate home theater performance. Separate power supplies for line level and high-power stages ensure total signal purity from input to output. Sound Master Tuned Marantz's Sound Master meticulously tuned AMP 20 for amazing performance with careful parts selection to create outstanding sound in your home. Making sound the Marantz way is a seamless fusion of art and science, practiced by creators who balance and select components individually for their sonic qualities—they are the Sound Masters. Timeless Style Excellence is heard and seen. AMP 20 is meticulously crafted with authentic materials in a modern style befitting its rich heritage and stunning performance Marantz design is timelessly elegant. AMP 20 is elegantly constructed using steel and aluminum casework while the subtle texture molded into the front panel is lit by the dimmable soft glow of sidelights on either side of our iconic porthole design. Endlessly Customizable Comprehensive connectivity options ensure AMP 20 will always deliver the perfect results to suit your home theater. Marantz has provided a rich assortment of connections and configuration options to make AMP 20 your ideal amplifier. While each of the 12 channels can operate independently, channel pairs can also be switched into bi-amp mode for isolating frequency bands from each other or switched into BTL mode to produce up to 400 watts per channel into 8 ohms for your highest output demands. Effortlessly Powerful AMP 20 gives you 12 channels of commanding power in a single enclosure, each rated at 200 watts to perform at extraordinarily high levels with no loss in fidelity. Custom Class D amplification is highly efficient, and strategically incorporated whisper-quiet fans keep the unit running optimally even under highly dynamic conditions. Complete Compatibility Gold-plated RCA and high-grade XLR connectors accept audio input from most surround processors. Custom Marantz SPKT-1+ binding posts are ergonomic and provide the best possible coupling to loudspeaker cables. Low-distortion, high-power output provides ample drive to virtually any loudspeaker configuration to maximize performance. ONBOARD TECHNOLOGIES AMP Control When Paired with Marantz AV Preamplifiers Even when AMP 20 is installed away from the theater room, control and status information are available at your fingertips. Using an included cable you can control power on/stand-by and dimmer control via the AV 20, while control and status information from AMP 20 can be transmitted to AV 20, and can be viewed through remote management tools such as OvrC, making network control and automation simple. Furthermore, RS232 and DC trigger inputs are available to make automating AMP 20 with a home control system possible. Marantz HDAM-SA2 Typical amplifiers use typical parts. Exceptional amplifiers like AMP 20 use bespoke technologies to achieve ultimate performance. Marantz has further optimized our legendary HDAM-SA2 circuitry for use in all signal paths. HDAM-SA2’s high slew rate and low impedance maximize clarity, resolution, and tone. Custom Class D AMP 20 renders dynamics with lifelike impact and clarity thanks to custom Class D amplification. Channel pairs synchronize switching frequencies, brass buss bars replace typical wiring harnesses for improved current delivery, and custom curated ingredients elevate innovative engineering. Isolated Power Supplies The high-power and small-signal portions of AMP 20 have very different power supply needs. Marantz engineered a new clean and quiet linear power supply to shield the signals from each other to prevent interference and maintain Marantz warmth and detail. The new power supply features a custom toroidal transformer for the input section and small signals. The new design provides high-power output portions of the amplifier receive massive current on demand from a switch mode power supply. Bi-Amp Mode Many high-end loudspeakers can be driven by two amplifiers at once (known as bi- amping)—one for low frequencies and one for high frequencies. AMP 20 can pair channels into bi-amp mode to maximize performance from loudspeakers that benefit from this feature. BTL Mode Effortlessly pair amplifier channels together by bridging them using BTL (Bridge Tied Load). Each channel features its own BTL Mode switch, giving you complete flexibility in how you drive your speakers. Divert more power to your front left and right tower speakers seamlessly for enhanced audio performance.
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