The Sanyo Plus P-20 is a power amplifier that was part of the Plus Series manufactured by Sanyo between 1979 and 1982 in Japan. Housed in a sleek silver chassis, the P-20 was originally priced around 550 DM. Designed for performance, it offers continuous power output of 60 watts per channel at 4 ohms with a nominal distortion rate of 0.09% at 56 watts. The unit features an input sensitivity of 1V and has an impedance of 47 kOhms. The frequency response ranges from 40 Hz to 16 kHz at 20 watts output. With a signal-to-noise ratio of 90 dB, the amplifier delivers clear sound output. The P-20 requires an AC power supply of 220 V at 50 Hz and has a power consumption of 290 W. Its dimensions are approximately 298 mm in width, 230 mm in depth, and 88 mm in height, adding up to a weight of about 6 kg. In terms of construction, this amplifier is identical to the Siemens RE 666 power amplifier and is part of a complete audio system that includes the Plus C-20 preamplifier, Plus T-20 tuner, and Plus D-20 tape deck.
