Manual de instrucciones de NAD 7020

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7020 Stereo Receiver
Date of manufacture : ? - Jan 83
Please note that this document contains the text from the original product brochure, and some technical statements may now be out of date
The NAD 7020 receiver is logically designed for optimum performance and ease of operation at an
economical price. An unusually high proportion of its cost is devoted to circuit engineering and
electronic parts rather than to elaborate styling, seldom-used controls or esoteric features. This results in
a sou

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Soft Clipping™ When the 7020 is overdriven beyond its rated power, this exclusive NAD circuit gently limits the waveform voltage, ensuring that the output transistors are never driven into saturation or “hard clipping”. Conse-quently the 7020 can produce remarkably high peak volume levels without sounding harsh or distorted. Infrasonic and Ultrasonic Filters In everyday listen-ing, audio signals often are contaminated with interference at frequencies below and above the range audible to the ear

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PRE-AMP SECTION Phono input Input impedance (R and C) 47kΩ / 47pF Input sensitivity, 1kHz 2.5mV ref. 20W Signal/Noise ratio (A-weighted with cartridge connected) 75dB ref. 5mV THD (20Hz - 20kHz) <0.02% Line level inputs Signal/Noise ratio (A-weighted ref 1W) 86dB Frequency response (20Hz - 20kHz) ±0.5dB Infrasonic filter -3db at 15Hz, 24dB/octave POWER AMP SECTION Continuous output power into 8Ω * 20W (13dBW) Rated distortion (THD 20Hz - 20kHz) 0.02% IHF Dynamic headroom at 8Ω +3dB IHF dynamic p