Philips RH811

The RH811 was a radio cassette amplifier system marketed in 1972 by the Philips Corporation. It usually came with the RH411/01Z loudspeakers. The amplifier system is 8-watts (rms) per channel into 4-Ω loads. It has LW, SW, MW, and FM bands including an automatic frequency control (AFC) for the FM band. The cassette deck has dynamic noise limiter (DNL), and 3-digit tape counter facility. The loudspeakers have 10-watts power handling capacity, and consist of 5-inch dual cone drivers. Full specifications and features are shown below.