Accuphase Pro-20

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The Accuphase Pro-20 is a high-end stereo amplifier designed and built in Japan. It's part of Accuphase's Pro-Series range, which is known for its exceptional sound quality, performance, and engineering standards.Here are some key features and specs of the Accuphase Pro-20:1. Output Power: The Pro-20 produces a huge 475 watts per channel into 8 ohms and an impressive 1,300 watts into 2 ohms. This makes it a powerful amplifier that can easily drive a wide range of speakers.2. Circuit Design: The Pro-20 uses Accuphase's signature "super class AB" output stage, which is based on a unique dual-mono, push-pull topology. It also incorporates extensive use of high-quality components, such as Mundorf capacitors, WIMA polypropylene capacitors, and select microprocessors and RELAYs.3. Inputs: The Pro-20 features four single-ended RCA inputs and one balanced XLR input. All inputs are high-quality gold-plated relays, which provide superior signal quality and longevity.4. Outputs: The Pro-20 has single-ended RCA and balanced XLR outputs, as well as a proprietary speaker terminals interface for enhanced speaker isolation and connection.5. Protection and Indicators: The Pro-20 is equipped with various protection circuits, such as thermistor protection, fuse protection, and DC protection. It also includes a status display that shows the amplifier's operational status and message details.6. Construction: The Pro-20 is built to the highest standards of craftsmanship and materials, with a full double-layered bottom plate, multi-layered metal top and side shells, and a large amount of hexagonal wiring pattern. The result is a solid, heavy, and beautiful amplifier that feels substantial and durable.7. Pricing: As a high-end audio component, the Accuphase Pro-20 is priced at around $18,500 USD as of 2021.In summary, the Accuphase Pro-20 is a premium stereo amplifier that combines top-notch components, innovative design, and exceptional build quality to deliver a truly exceptional audio experience. It's a fine example of Japanese craftsmanship, which is deeply respected in the audio world for its attention to detail, reliability, and performance-oriented design philosophy.

Power Output: 100W into 8Ω (stereo), 400W (mono)
Frequency Response: 20Hz to 20kHz
Distortion: 0.02%
Damping Factor: 160
Speaker Impedance: 4 to 16Ω
Input Sensitivity: 0.8V
Signal to Noise Ratio: 110dB
Dimensions: 475 x 238.5 x 548 mm
Weight: 46.8 kg
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