CD6005- marantz brand-new high-quality CD player, the best-selling model in marantz, won the five-star What Hi-Fi award, highly recommended! The upgraded version of CD6004 is the best CD player of its kind. Newly designed audio module, 192 khz/24-bit DAC with USB input. Product features selling points of newly designed circuits and customized components make excellent CDs. ...

Yamaha's, because Yamaha specially tuned this CD and used 100 years of music research experience, which is very rare.

Good mode, bad mode. . . Change it if you can. Or you can go to the home appliance forum and ask, Baidu knows that such a professional problem can't be solved. Excuse me.

After the model of marantz CD player, MK and SE represent two different models ~ which has no practical significance ~

LM386 should be a power amplifier IC, and IC CD 40 1 1 b+0B should be a CMOS quad 2-input NAND gate. The key is what frequency range do you want to generate ultrasonic waves? Specific function definition? Try to use single chip microcomputer to generate the required frequency response, and then input it to the amplifier to drive the speaker (remember to choose a speaker with good high frequency response, such as the built-in speaker frequency response of Iphone), hoping to help. ...

High-performance operational amplifier IC memory A/D D/A analog device conversion interface IC and other 54LS military series CD suffixes with MJB, MJG or /883 are all military-grade TLC, that is, common voltage TLV and low power consumption voltage TMS320.