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A Walkman FM/AM radio receiver from the 2000s Sony branded portable radio receivers with the "FM Walkman" name starting with the SRF-40 in 1980. [ 7 ] Various FM , AM and DAB receivers have been made.
Sony applied the "Walkman" brand to some transistor radios starting with the matching blue SRF-40 FM Walkman in 1980, [17] and added a radio system to some Walkman cassette models starting with the model WM-F1 in 1982. [18] The first model with Dolby noise-reduction system and an auto reverse function appeared in 1982. [19]
The SRF-39 is a portable AM/FM radio introduced in approximately 1992 by Sony. [1] It uses a single AA battery, as its analog electronics require very little voltage. It was one of the first radios to use the CXA1129 30-pin integrated circuit, which later was responsible for the SRF-39's sensitive and selective performance.
The S700 comes in 1 GB (NW-S703), 2 GB (NW-S705), and 4 GB (NW-S706) capacities; some countries sell the 2 GB and 1 GB models only. Selected models with the "F" suffix are also equipped with a Stereo FM Tuner. This was also the first Walkman with the WM-PORT interface connector which would remain a standard for Sony Walkman for years to come. [9]
An early 2000s transistor radio (Sony Walkman SRF-S84 transistor radio, released 2001, shown without earphones) Rock 'n roll music became popular at the same time as transistor radios. Parents found that purchasing a small transistor radio was a way for children to listen to their music without using the family tube radio.
The Walkman E Series is a line of digital audio (DAP) and portable media (PMP) players, marketed by Sony as part of its Walkman range. E Series devices have been marketed since 2000, although in its current form since 2008 as entry-level, candybar styled players.