Overview
This document presents a comprehensive review of the Technics SU-R1000 Digital Integrated Amplifier, a flagship model from Technics (an arm of Panasonic Corporation). The review, originally published in Stereophile magazine, details the amplifier's advanced technological implementations and its sonic performance. The SU-R1000 is noted for its innovative approach to digital signal processing and amplification, aiming to deliver high-fidelity audio reproduction for both digital and analog sources.
Key Technologies
The Technics SU-R1000 incorporates several proprietary technologies designed to enhance audio quality:
- JENO Engine: A jitter reduction circuit that optimizes PCM signals for PWM pulse-width modulation, ensuring precise digital-to-analog conversion.
- LAPC (Load Adaptive Phase Calibration): A DSP-based system that measures and calibrates for the specific impedance characteristics of connected loudspeakers, optimizing the impulse response.
- Intelligent Phono EQ: A sophisticated phono stage featuring Accurate EQ, Crosstalk Canceller, and Response Optimizer to achieve superior vinyl playback.
- GaNFETs: Gallium Nitride Field-Effect Transistors are utilized in the power output stages for high-speed switching and low distortion.
- AS2PS (Advanced Speed Silent Power Supply): A quiet and stable power supply technology.
Performance Highlights
Reviewer John Atkinson notes the SU-R1000's exceptional clarity, spaciousness, and dynamic range. The amplifier is praised for its ability to reproduce musical lines with immaculate separation and physical presence. It handles both digital and analog sources with high fidelity, offering a transparent and detailed soundstage. While not matching the tonal verisimilitude of some high-end tube amplifiers, the SU-R1000 is described as a technological breakthrough, delivering remarkable performance across various audio formats.
Specifications & Details
The Technics SU-R1000 is a two-channel digital integrated amplifier with a phono stage. It offers 150Wpc into 8 ohms and 300Wpc into 4 ohms. Connectivity includes balanced and unbalanced analog inputs, multiple digital inputs (USB, S/PDIF, TosLink), and outputs for speakers, pre-out, and recording. The unit features a robust build with aluminum construction and advanced internal shielding.
Learn More
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