NAD is a brand that specializes in high-fidelity audio equipment and electronics.

The NAD Model 140 is a vintage audio receiver introduced in the early 1970s, recognized for its aesthetic simplicity and functional competence. It features a compact and minimalist design characterized by a gray exterior and intuitive knob layout. The receiver delivers impressive performance with a continuous power output of 2 x 40 watts per channel (WPC) RMS at 8 ohms, providing substantial amplification while maintaining clarity and richness across a range of sound frequencies. Its bandwidth extends from 15 Hz to 50 kHz, exhibiting a frequency response of 20 Hz – 20 kHz with a minimal deviation of +/- 0.5 dB.

In terms of distortion, the total harmonic distortion (THD) at nominal power is less than 0.1%, and intermodulation distortion (IM) remains low at under 0.15%. The damping factor at 8 ohms exceeds 45, contributing to tighter bass response and better speaker control. The signal-to-noise ratio for phonograph and mic inputs surpasses 60 dB, while for tuner, tape, and auxiliary inputs, it exceeds 80 dB. 

Connectivity options include multiple line inputs, a dedicated phono input, and headphone outputs, along with microphone inputs on the front panel for added versatility. The unit's aesthetics are complemented by a wooden veneer top cover, giving it a classic look that stands out among contemporaneous models. Overall, the NAD Model 140 is celebrated for its robust build quality, reliable performance, and ability to deliver an engaging listening experience across various music genres.

Model 140

by NAD

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