1983 SONY wm-20’s innovative opening method realized the size of the cassette cassette Walkman
To achieve the ideal size of the same size as the tape cartridge, the door is opened by sliding into the tape and the battery, the thickness between the body and the tape is only 6 mm. In order to achieve miniaturization, only one battery no.5 is installed, which means a new circuit is designed to be driven by a voltage of only 1.5V. 5 mm super flat motor, with headphone jack switch (plug in the headphone to energize) function.
1983 SONY wm-f20 wm-20 Walkman with radio function
Similar in size to the wm-20, it has built-in FM radio function, and a radio circuit is embedded in the gap between the tape bin and the tape. It USES the headphone cable as the radio antenna, which is a model of SONY’s pursuit of extreme miniaturization.
New product launch price: ￥34,000 1 body size: 110.8×70×21.3 mm/weight: 200g/ power supply: no. 5 battery ×1 / battery life: 4 hours (using alkaline battery)
1984 SONY wm-17 Walkman with automatic flip function
The automatic flip model only appeared two years after the wm-7. The machine is slightly larger, but has a stylish design and affordable price, and has a swivel hook installed on the back to make it easy to wear.
1984 SONY wm-d6c can be carried with a mini professional card landline Walkman
Basically follows the wm-d6 specification and adds dolby noise reduction C. In addition, the magnetic head adopts the amorphous magnetic head with lower inaccuracy and better wear resistance, and has high saturation flux density. The driving system adopts the quartz lock driving wheel servo system DD as wm-d6, achieving a shaking rate of 0.04%. The D6C, which can be used as a substitute for recording cassette deck, was a long-term best-selling product and was produced until 2002.
1984 SONY wm-dc2 supports professional Walkman with metal band
Suitable for professional playback of Walkman, the continuation of wm-dd shape design. With dolby noise reduction B/C function, there are many configurations inherited from wm-d6, such as amorphous alloy magnetic head, quartz lock active wheel servo system DD, excellent seismic performance, shaking rate up to 0.07%. Equipped with external line output function, can be used as a sound source to other professional equipment.
1984 SONY wm-f15 is a small, lightweight Walkman with built-in FM/AM
The built-in two-band radio Walkman. The function operation can only be performed after the earphone is plugged in, so as to avoid standby mistouch. Support dolby B and metal tape playback and other rich functions.
1984 SONY wm-r15 headphones with built-in microphone recording model Walkman
A new generation of Walkman recording series, on the left and right headphones built-in stereo capacitance microphone. When playing, it supports automatic rollover and dolby noise reduction B, as well as insertion of radio card accessories.
The 1984 SONY wm-30 wm-20 evolved from the telescopic Walkman
The wm-20 with the sliding and telescopic structure was upgraded to wm-30, but the performance was basically unchanged, only minor changes were made on the basis of wm-20. The host was available in 6 colors, and nude-turbo earplug headphones were used for the headphones, which became the mainstream configuration.
1984 SONY wm-40 cassette cassette size automatic flip model Walkman
Walkman sliding machine with automatic rollover function. The mechanical keys were redesigned to achieve the thinliest record of 23.5mm in the then automatic flip model. It can be used as a radio by installing a separately purchased radio card.
1984 SONY wm-f30 built-in three-band radio sliding cover telescopic machine Walkman
It’s a wm-30 with radio. In the previous wm-f20, only the FM band was available, but in the wm-f30, besides the FM band and AM band, the TV band of 1~12CH can also be received. Like the wm-30, Nude Turbo headphones come with it.