I have a brand-new Panasonic sl-s230 produced in 1998. I can show you the photos if you like. It is fully equipped. Only rechargeable batteries were thrown away. It doesn't make sense now. Here is a brief introduction to all models of Panasonic cd, which is very simple.

1989:

SL-S30 XBS 16 digital-to-analog converter *4fs. Best model of the year.

1990:

SL-s 100 17000 yen. 16-bit DAC*4fs

SL-S300 2 1, 500 yen. 18 bit digital-to-analog converter *8fs

SL-S500 25500 yen. 18 bit digital-to-analog converter *8fs

SL-S50 1C vehicle

SL-S700 32000 yen. 18bit DAC*8fs, which was the thinnest in the world at that time. Model of the year.

199 1 year:

SL-S303 2 1, 500 yen. 18 bit digital-to-analog converter *8fs

SL-S505 25500 yen. 18 digital-to-analog converter *8fs. Best model of the year.

SL-S505C vehicle-mounted

1992:MASH 1 bit DAC.

SL-S330 2 1, 500 yen.

SL-S440

SL-S550

SL-XPS 90048,000 yen. Panasonic's first sampling device with MASH 1 bit. Model of the year.

1993: DSSP debut

SL-S 150

SL-S350

SL-S570 3-second DSSP

SL-S570C vehicle-mounted

SL-S670 Panasonic's first 3-second DSSP with shockproof system. Model of the year.

1994:

SL-S 155

SL-S 170

SL-S 180

SL-S370 DSP 3-second DSSP

SL-S470 DSP 3 second DSSP. Model of the year.

SL-S470C vehicle-mounted

1995:

SL-S 160

SL-S 188/ 189

SL-S 190

SL-S290 3-second DSSP

SL-S390 3-second DSSP

SL-S490 10 second X DSSP. There are two versions, one with optical fiber output and the other without optical fiber output. Model of the year.

1996:

SL-S 1 10

SL-S 138z

SL-S 140

SL-270 3-second DSSP

SL-S400 3-second DSSP

SL-S600 10 second X DSSP. Model of the year.

1997:

SL-S 1 18z

SL-S 120

SL-S 130 10 sec X-DSSP

SL-S280 10 second X DSSP

SL-S450 10 second X DSSP

SL-S480 first generation 40 seconds shockproof. Model of the year.

1998:

SL-S230 10 second shockproof

SL-SX300 10 second shockproof

SL-SX400 10 second shockproof

SL-SX500 second generation 40 seconds shockproof. Model of the year.

1999:

SL-S3 10 10 second shockproof.

SL-SX4 10 10 second shockproof

SL-SX5 10 Second Generation 40-second Shockproof. Model of the year.

In 2000:

SL-SX220 10 second shockproof

SL-CT430 10 second shockproof. MASH 1 bit digital/analog converter.

SL-CT570 can choose 10 second (uncompressed) and the second generation 40 second shockproof mode. Model of the year.

SL-SW404

SL-SW4 15

SL-SW5 15

SL-SW870

SL-SX289V 40 seconds shockproof

SL-SX469V 40 seconds shockproof

SL-PH270 40 Seconds Shockproof

The power parameters of the top model of CD Walkman produced by Panasonic every year!

1992: SL-XPS900, no impact, maximum output 15 MW, 16 ohm.

1994: SL-S470, 3-second DSSP shockproof system, with a maximum output of 5 MW, 16 Ω.

1995: SL-S490, 10 second X-DSSP earthquake-proof system, with a maximum output of 9 MW, 16 Ω.

1996: SL-S600,10second X-DSSP shockproof system. The maximum output is 9 MW, 16 Ω.

1997: SL-S480, the first generation of 40-second shock absorption system. The maximum output is 9 MW, 16 Ω.

1998: SL-SX500, second-generation 40-second shock absorption system. The maximum output is 9 MW, 16 Ω.

1999: SL-SX5 10, the second-generation 40-second suspension system. The maximum output is 9 MW, 16 Ω.

2000: SL-CT570, second-generation 40-second shock-proof system, 10 second (uncompressed) and 40 second shock-proof mode. The maximum output is 9 MW, 16 ohm.

200 1: SL-CT780, brand-new 40-second shock absorption system, maximum output of 9 MW, 16 Euro.

2002: SL-CT790, a brand-new 48-second shock absorption system, with a maximum output of 8 MW, 16 Euro.

2003: SL-CT800, the shockproof system provides 130 seconds at maximum, and the maximum output is 6 MW, 16 ohm.

2004: SL-CT8 10, the shockproof system can provide 800 seconds at most, and the maximum output is 6 MW, 16 ohm.

2005: SL-CT820, the shockproof system provides 800 seconds at most, and the output is 5 MW at most, 16 ohm.

2006: SL-CT830, the shockproof system is unknown. The maximum output is 6 MW, 16 ohm.