Audio Research D-52

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The Audio Research D-52 is a high-end home theater preamplifier that combines advanced audio processing technology with stunning sound quality. It provides a flexible and adjustable output stage that allows for easy integration with various types of amplifiers and speakers, making it a versatile choice for audio enthusiasts and home theater enthusiasts.Here are some key features of the Audio Research D-52:1. High-quality audio processing: The D-52 employs high-quality components, such as premium quality op-amps, transportation tunnel RIAA stage, and MOSFET ultra-linear outputs, to deliver precise and detailed audio reproduction.2. Flexible processing: The D-52 allows for input selection, phono, volume, and source switching via front-panel controls, making it easy to adjust and customize the audio experience.3. Extensive connectivity: The D-52 features a variety of inputs, including seven line-level inputs, one MM phono stage input, one MC phono stage input, and one balanced XLR input. It also includes six outputs, such as one balanced XLR output, three unbalanced outputs, and one headphone output.4. Customizable tone control: The D-52 comes with EQ contours for different recordings and a low EQ bypass switch to prevent bass overhang issues.5. Stunning sound quality: The D-52 delivers rich and detailed audio, with powerful bass, clear mid-tones, and smooth high-frequency response.Overall, the Audio Research D-52 is a high-performance preamplifier that offers exceptional audio processing, versatility, and scalability, making it an ideal choice for anyone who values the finer details of music and movies.

Power Output: 50W into 8Ω (stereo)
Frequency Response: 0.05Hz to 100kHz
Distortion: 0.25%
Damping Factor: 500
Speaker Impedance: 4 to 16Ω
Input Sensitivity: 1.1V
Signal to Noise Ratio: 90dB
Dimensions: 480 x 130 x 267 mm
Weight: 17.7 kg
Year: 1978
Price: