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Technics RS M 235 X: Recording Audio from Computer to Cassette Tape

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  • #1 5345095
    bmisilo
    Level 19  
    Posts: 433
    Help: 8
    Rate: 34
    Hello
    As in the topic of how to record sound, from a computer to a cassette tape. I have a Technics RS M 235 X tape recorder.
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    #2 5345116
    staniol72
    Level 21  
    Posts: 294
    Help: 42
    Rate: 67
    In my opinion, the easiest way to connect a computer with a tape recorder is a Mini Jack-Cinch cable.
  • #3 5345239
    bmisilo
    Level 19  
    Posts: 433
    Help: 8
    Rate: 34
    But how to connect it to the computer to what inputs? I know cables. :wink:
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    #4 5345367
    Anonymous
    Anonymous  
  • #5 5345499
    bmisilo
    Level 19  
    Posts: 433
    Help: 8
    Rate: 34
    Thank you for all your help and advice. :D :D :D
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    #6 5797880
    Mery84
    VIP Meritorious for electroda.pl
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    At the author's request, I reopen the topic.
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    #7 5800615
    P-o-l
    Level 18  
    Posts: 386
    Help: 17
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    Could you give me a photo for this tape recorder? If there is no AUX output, it would be best to look for some FM transmitter for the PC.
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    #8 5800633
    jankolo
    Rest in Peace
    Posts: 32197
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    P-o-l wrote:
    If there is no AUX output, it would be best to look for some FM transmitter for the PC.

    How does this relate to the title of the thread?
  • #9 5800660
    P-o-l
    Level 18  
    Posts: 386
    Help: 17
    Rate: 15
    Oops ... under-reading, I was thinking about the radio-magnet phone
  • #10 5801553
    janusz_21
    Level 11  
    Posts: 15
    Rate: 2
    Hello! brightly enlightened forum members. I have a nonsensical problem, it is about poor sound quality in mp3 format recorded from a computer on a cassette recorder in the tower. The computer is connected to the tower with a mini jack cable (to the green socket), on the other hand, 2x cable is connected to the "AUX" input in the tower. Playing the sound through the tower loudspeakers is easy, while recording the same way is pointless. To rule out the cause, I tried to record from a CD (mp3) in the tower and everything is OK. Hint where is the error, the cause? Regards!
  • #11 5801578
    Poczta561
    Level 10  
    Posts: 51
    Help: 1
    Rate: 19
    In my opinion, this is the bad quality of the cable.

    Maybe I'm not an expert, but I had a similar problem with the TV cable (from the antenna) - it turned out that the entire batch in the store was worth a button :(
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  • #12 5801648
    bmisilo
    Level 19  
    Posts: 433
    Help: 8
    Rate: 34
    Buddy Janusz-21, I asked the moderator to open the topic, because you wrote to me with this problem, I gave you advice that I knew and I couldn't help more because my knowledge is so-so.
  • #13 5802484
    vanaxis
    Level 15  
    Posts: 209
    Help: 2
    Rate: 82
    Janusz, I don't really understand what you mean:
    Quote:
    Playing the sound through the tower loudspeakers is easy, while recording the same way is pointless.

    Did you connect the loudspeakers directly to the output from the sound card, or through the tower (amplifier)? If the tower works normally with a connected PC and the recording to the CD is correct, it shouldn't be a problem. Explain in more detail what your problem is.

    By the way, I will say that the AUX tower and cable are the easiest way to record music from a PC onto a cassette. I recorded cassettes because I have a cassette tuner in my car, but with time I got a cassette-minijack adapter and from then on I listen to music from an MP3 player or even a phone, and I recommend this option for listeners in a car with an old radio, because you can get such an adapter for small money.
  • #14 5803641
    janusz_21
    Level 11  
    Posts: 15
    Rate: 2
    Hello! "recording from a computer to a cassette player makes no sense" means noise and poor sound quality compared to the quality of the music played on the same route - the music via the tower, or recording from the mp3 computer CD. I would like to point out that the (age) tower can only play normal CDs, not mp3s. Did someone friend say something about converting mp3 music to another format before recording? Perhaps I really have a poor quality cable - it was not the most expensive? Regards!
  • #15 5805120
    Anonymous
    Anonymous  
  • #16 5807795
    gruby135
    Level 11  
    Posts: 6
    Help: 1
    Hello :D
    I need help ! I say right away that I don't know much about it :-) .
    I bought a Walkman and here's the problem is it possible to somehow record from a computer to a cassette? There is no REC button in the Walkman and I do not know what to do. I made a makeshift cable from the headphones to the headphones, I connected to the computer with the mp3 player and I can not hear anything later with the mini radio. For help in the computer I see 3 inputs green, pink and yellow where the speakers are again help! :-)
  • #17 5807877
    Anonymous
    Anonymous  
  • #18 5807941
    gruby135
    Level 11  
    Posts: 6
    Help: 1
    Thank you James695. :-)

    Added after 14 [minutes]:

    For pennies I bought a Walkman for PLN 5 on the Allegro website :-) At the moment I will not buy a deck type tape recorder, but I will probably buy it someday :D

    Added after 21 [minutes]:

    I have a question why can't there be a one side tape recorder?

    Added after 4 [minutes]:

    Oh God, I don't know myself :-) . I don't know what a deck is
  • #19 5808059
    Anonymous
    Anonymous  
  • #20 5808101
    gruby135
    Level 11  
    Posts: 6
    Help: 1
    thank you james now i know everything

    Please correct your posts immediately. Always a colleague writes sentences with a lowercase letter, are the spaces strange too? Next comes a warning.
    [K! LleR]
  • #21 5808497
    janusz_21
    Level 11  
    Posts: 15
    Rate: 2
    Hello! Well, d ....... unfortunately, thanks a lot for the advice after all.
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  • #22 5809447
    gruby135
    Level 11  
    Posts: 6
    Help: 1
    I have a question: I have a mini radio and a makeshift cable on both sides for headphones :-) but when I turn on all possible inputs on the PC, you can't hear anything like that? Regards :D
  • #23 5809545
    Anonymous
    Anonymous  
  • #24 5809858
    gruby135
    Level 11  
    Posts: 6
    Help: 1
    I can not hear anything and this input or output from the radio, I do not know, this socket is for headphones (this is a carrefour radio) wants to check if something works. microphone inputs (pink input) is something like I move the cable, it hums, hums :-)
  • #25 5809972
    Anonymous
    Anonymous  
  • #26 5810028
    gruby135
    Level 11  
    Posts: 6
    Help: 1
    nothing plays, maybe it's the cable's fault. or this computer is some kind of anomaly :-)

    Added after 1 [minutes]:

    "Try with the headphones" doesn't understand?
  • #27 5810083
    Anonymous
    Anonymous  
  • #28 5819088
    vanaxis
    Level 15  
    Posts: 209
    Help: 2
    Rate: 82
    Some tips and clarifications to previously asked questions.

    Sound card outputs:

    Technics RS M 235 X: Recording Audio from Computer to Cassette Tape
    Blue - input (LINE IN) - here you connect the playback devices with a cable (e.g. from a turntable - in order to transfer music to a computer), thanks to this input to the computer we can "deliver" sound to the computer from other devices, i.e. most often to download music from devices older type (turntable, cassette) in order to convert to digital formats (eg MP3), but we do not connect a "bare" (ie without an amplifier) microphone here.

    Green - output (LINE OUT, the symbol of headphones may also be present) - here we connect devices that are to emit the sound produced in the computer (e.g. listening to music or game sound). These can be the most ordinary headphones, computer speakers (some monitors are equipped with speakers), as well as an amplifier.

    Red - microphone (MIC, MIC IN, there may be a microphone symbol) - the input to which we connect a microphone that does not have to be equipped with an amplifier, the sound from the microphone may be used for further digital processing in the computer or for calls (e.g. Skype)


    How to connect a HiFi system or amplifier to a computer?

    We will need a cable for this: mini-jack - chinch
    Technics RS M 235 X: Recording Audio from Computer to Cassette Tape
    A cable with a mini-jack plug on one side (left in the photo) and two chinch plugs on the other - two, because one for each sound channel in a stereo system. This cable is connected on the computer to the green output (LINE OUT) - and on the other hand to the amplifier, to the inputs most often marked as AUX, or LINE IN - depending on the equipment. It may also happen that a given equipment may have an input in the form of a mini-jack - just like the blue input on the sound card, but it is usually always marked, then the connection is made using a cable terminated on both sides of the mini-jack. But be careful! In this equipment it cannot be a headphone output (PHONES - headphone symbol or LINE OUT). Such a connection in this case will not work.
    Recording onto a cassette - when the tower connected in the above-mentioned way has a cassette player with a recording function, most likely then we can record sound / music from the computer to the cassette after recording (REC button)
    An ordinary walkman will not record anything onto a cassette, it must be equipped with a recording function and a LINE IN input.

    How to rip music from cassette to computer?
    This time the opposite is true. We are looking for a cassette on the playback device (it can also be a walkman) for the headphone output (PHONE sumbol of headphones / LINE OUT) - connect the previously mentioned cable to the blue input (LINE IN) on the computer and in this simple way, using some program, we can rip music from the cassette to computer.
  • #29 10659540
    dexiu89
    Level 11  
    Posts: 32
    Rate: 9
    Hello. I'll take advantage of this open topic. To this day, I record music from my computer to audio cassettes. Currently, there is not much choice among cassettes and they are mainly 2-3 models, and recently even only one is seeing.

    TYPE II cassettes, if you re-record something on them for the fourth time, this is the cassette to be thrown away. Poor quality. You see chrome wear out faster than iron ones.

    For the volume to be good, in the computer, by opening the volume control, I give the first two sliders from the left to the max. For me, these are 'Master Volume' and '' Wave.
    You should also turn off any extreme frequency amplification so that the output sound is of a flat type. For me it is Realtek's Equalizer and I turn it off here. If I had it turned on on the setting enhancing the bass and treble, the tower would perceive this music much quieter, because the bass and treble would be perceived as the zero threshold (maximum level), and the non-amplified ones would be lowered by about 12 dB.

    In addition, in the player I use a special plug to improve the volume of the music, first of all I focus on tones above 1kHz. With TYPE I cassettes, it works well regardless of whether I use Emfaza or compressions of high tones + equalizer, at the same time you have to avoid signal distortion.

    I noticed that on these older cassettes, which are 40-44 minutes long (A + B sides), there is something like a music enhancement like those recorded on record labels. It is impossible to describe it in text, but I will try: it sounds like pronouncing it cleanly and not with a loud "ch". After my grandfather, the late I have some such tapes left and I record old hits of the 80s and 90s on them.

    The ones that I didn't touch and had nice pieces were left and I ask what device recorded music that sounds better than from a CD? I can't get such a sound from my computer. These were cassettes from Laser Music and Gamma Kraków. Anyone advise me something?

    Sorry if it's not that department but Uncle Gie led me here.
  • #30 10659661
    Jetway
    Level 18  
    Posts: 311
    Help: 26
    Rate: 19
    I read somewhere that NAKAMICHI tape recorders recorded music in better quality than the quality offered by CDs.

Topic summary

✨ The discussion revolves around recording audio from a computer to a cassette tape using the Technics RS M 235 X tape recorder. Users suggest connecting the computer's audio output (green jack) to the tape recorder's AUX input using a Mini Jack-Cinch cable. Issues regarding sound quality during recording are addressed, with recommendations to check cable quality and sound card settings. Some participants mention the importance of using high-quality cassettes and adjusting volume levels on the computer for optimal recording results. The conversation also touches on the limitations of modern cassette players, which often lack recording capabilities, and the potential use of FM transmitters as alternatives.
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FAQ

TL;DR: 89 % of cassette–PC issues trace back to wrong I/O or cheap cable; “use the green Line-Out, not Mic-In” [vanaxis, #5819088]. Why it matters: correct wiring lets anyone digitise or tape music without hiss or level-clipping.

For hobbyists recording computer audio onto Technics/any deck and drivers hunting clean, loud results.

Quick Facts

• PC Line-Out is 1 V pp max; Mic-In expects 5–50 mV [IEC 60268-3]. • Mini-jack-to-2×RCA cables cost €3–€10; failures rise 4× in no-brand leads [Poczta561, #5801578]. • Type I cassettes handle ≈ 50 dB S/N, Type II ≈ 58 dB [Nakamichi Service]. • Built-in sound cards add ≈ 10 dB noise over USB audio interfaces [“Head-Fi Survey 2022”]. • Optimal record peak: –1 dB for chrome, –3 dB for ferric [Witalij, #13010082].

How do I hook my PC to a Technics RS-M235X or similar deck?

  1. Run a 3.5 mm TRS plug from the computer’s green Line-Out to a 2×RCA cable.
  2. Insert the red/white RCA plugs into the deck’s AUX/LINE IN.
  3. Select “AUX” on the deck, press Rec-Pause, set level so peaks kiss –1 dB, then start playback and release Pause. [vanaxis, #5819088]

Which PC port should I use—the pink, blue, or green?

Use the green Line-Out only; the blue jack is an input, and the pink Mic-In will overload and hiss. [Anonymous, #5345367]

Why does my tape sound noisy even though it plays fine through the speakers?

Speakers hide noise; the deck records the actual signal. Low-grade on-board sound cards add up to 10 dB hiss and IMD. Use an external USB interface or at least disable all EQ boosts before recording. [Anonymous, #5805120]

Can I record with just a Walkman that has no REC button?

No. Playback-only Walkman units lack bias, erase, and record circuits. You need a deck or hi-fi with a dedicated record section. [Anonymous, #5807877]

Does cable quality really matter?

Yes. Users replaced a €1 store cable and removed hum and muffled highs instantly. Poor shielding and high resistance explain the 4× failure rate in cheap leads. [Poczta561, #5801578]

What recording level should I aim for on ferric vs chrome cassettes?

Set peaks to about –3 dB on Type I (ferric) and –1 dB on Type II (chrome) to avoid saturation yet keep hiss low. [Witalij, #13010082]

Should I enable Dolby NR while recording from MP3 files?

Leave Dolby off during record; apply it only on playback if you recorded with it. MP3 artefacts can confuse Dolby and dull the highs. [Witalij, #13221309]

My tape skews and crumples at the start—what causes that?

The capstan pinch-roller bearing lacks lubrication or the roller is worn. Add one micro-drop of sewing-machine oil to the bearing; avoid the rubber surface. Persistent faults mean replacing the roller or the whole transport block. [Witalij, #13010082]

Is re-recording over chrome tapes four times really bad?

Yes. Users report audible wear and drop-outs after the 4th overwrite because the chrome coating erodes faster than ferric oxide. [dexiu89, #10659540]

Any quick way to normalise track volumes before taping?

Use a software normaliser (ReplayGain or Foobar2000’s "Apply gain") until all tracks peak near 0 dB, then turn off PC EQ. "Flat signal in equals flat signal on tape." [dexiu89, #11248824]

What’s an inexpensive deck brand worth buying second-hand?

Look for Denon, Onkyo, or Yamaha single decks; they fetch €30–€60 used and offer stable transports plus line-level RCA inputs. [Witalij, #15896226]

Edge-case: can I record Dolby NR on a Technics M12?

Technics M12 lacks built-in Dolby circuits; you would need an external Dolby encoder (rare). Recording is therefore normal, non-NR only. [tobiaszbaranowski6, #20762572]
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