"Mayak-240" tape recorders and similar ones have very high quality sound. But since magnetic tape is unpopular today, they are now mainly used to amplify audio from a computer.
Instructions
Step 1
Take the headphone plug, the ONTs-VG type plug with five contacts, and a cable consisting of two twisted pairs. If it has four pairs, you don't need to use any two of them. Connect the "striped" wires of both pairs used on one side to the common contact of the headphone plug, and on the other, to the middle contact of the ONTs-VG type plug. Connect the remaining pairs of wires on one side to the remaining contacts of the headphone plug, and on the other, to the contacts of the ONTs-VG plug, located to the right of the middle one (from the soldering side, if you hold the block with the notch down). Isolate all connections and close both connectors.
Step 2
Connect the resulting cable from the output of the computer sound card to the line input of the tape recorder. De-energize both devices beforehand.
Step 3
Take any unnecessary collapsible tape cassette (there are also non-collapsible ones). Open its case, remove the tape, then put it back together without the tape. If the write-protect tabs are broken, cover them with adhesive tape.
Step 4
Insert a cassette without tape into the recorder. Start playing any sound file on your computer. On the tape recorder, set the volume and recording level controls to minimum. Put the unit into recording mode, then pause it.
Step 5
Using the recording level controls, make sure that the amplitude of the input signal, controlled by the vacuum fluorescent indicator, on both channels was slightly less than the limit (displayed in red divisions).
Step 6
Select the desired volume level with the corresponding control on the recorder. Start listening to music. When you are finished using the recorder as an amplifier, take it out of pause mode, put it in stop mode, and then turn it off.
Step 7
If desired, use a tape recorder to record music from your computer to cassette tapes. To do this, install a real cassette instead of a dummy, and then do everything described above, but do not turn on the pause mode.
