The circuit adopts the special preamplifier chip TA7668 chip + utc22241 recording chip (original disassembled chip, don¡¯t take it if you mind) the old-fashioned tape machine, the board is designed to be directly installed and fixed on the core, all wiring adopts socket design, and the finished product is assembled. Buy it back and connect it to the power source to work, no soldering. The movement is also marked with the function of the button cap, diy is more intuitive.
Instructions for switching between recording and playback: you only need to press the play button in the playback state, and you need to press the play button and the record button at the same time when recording. Recording is the audio signal input, suitable for computer, mobile phone, mp3 and other audio equipment to connect and record. Can not directly connect the microphone.
Provide configuration:
Separate finished recording and playback board (just a finished board, no accessories, mounting holes are suitable for the installation of many cores, providing convenience for DIY, note: the recording function can only use permanent magnet wipe heads, other wipe heads are not applicable, recording and playback switching The switch is shipped without lock by default. If you need a self-locking switch, please contact us for instructions.)
Working voltage: AC: 9V or DC: 12V
Pcb size: length, width and height 100mm*50mm*23mm
Note: The power supply can only be AC 9V or DC 12V, high or low will not work, because this movement motor is powered by 9V, you need to pay attention to this if you have a power supply, if you use a switching power supply, you need to choose Communication power supply (such as router power supply, LCD TV power supply, must use good quality brand goods, so that the interference is relatively small, if you can use a transformer, it is the best, and the interference is small.)
Package
1pc