The Teac M-3 is an audio mixer that caters to a wide range of applications, including studio recording, public address (PA) systems, and home audio mixing. It was priced at around ¥198,000 in 1976, reflecting its design aimed at professional-grade functionality while being accessible for various audio setups. The mixer features 8 inputs and 4 outputs, with a diverse input selection catering to different needs such as microphones and line inputs. Each channel from 1-4 can handle microphone (Lo-Z) or line levels, while channels 5-6 can accommodate microphone (Lo-Z), phono, or line levels, and channels 7-8 can handle microphone (Hi-Z), phono, or line levels. The mixer provides rated impedance specifications for both Hi-Z and Lo-Z microphone inputs, ensuring compatibility with various microphone types. Phono inputs have a high input impedance of 45k Ω, while line inputs have a 20k Ω rating. The overall frequency response of the mixer spans from 30 Hz to 20 kHz, with a total harmonic distortion rate of up to 0.3% maximum. Equalization capabilities include a continuously variable adjustment of ± 15 dB for two frequency ranges, and the mixer also boasts a respectable signal-to-noise ratio across its inputs. The M-3 is designed with various output options, including line out, monitor output, and headphone output, catering to diverse monitoring and playback needs. It operates on standard mains power and has a modest power consumption of 18W. Its dimensions are 465 mm in width, 160 mm in height, and 520 mm in depth, with a weight of 13.5 kg, making it suitable for both studio and portable applications.
