Headphone Output Problem?

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  • #25899
    Christoph ScheidelChristoph Scheidel
    Participant

    Hello everyone,

    I just purchased the uTrack24.
    I don’t have a harddisc yet, but I just wired up everything and I connected headphones.
    When monitoring a well leveled incoming signal I get a good level at the main outs, but I have to crank up the Headphone Volume knob completely to get a very low, thin sounding signal when monitoring and soloing. No matter which headphones.
    Am I missing something, or does my unit probably have a defect?

    Thanks!
    Christoph

    #25900
    Tom SailorTom Sailor
    Participant

    What kind of D25 cables do you have connected to it? I assume you are using it as an interface…what OS and DAW are you using???

    #25905
    Christoph ScheidelChristoph Scheidel
    Participant

    Thanks for the fast return!

    I use it as a stand alone recorder, connected to the direct outs of my mixing desk.
    I sent a good leveled mic signal to the utrack.
    The connections must be ok, as I receive a proper signal on the rear main outs and the level is perfect on the LEDs when soloing.
    But with several headphones, I always get a very low, thin sounding signal on the front headphone out.
    When soloing the incoming signal, I have to turn the headphone volume knob up completely to hear anything at all.
    As the solo is “to-tape” I should be able to check / solo the signal through headphones without a harddrive connected, right?

    Thanks!
    Christoph

    #25923
    Christoph ScheidelChristoph Scheidel
    Participant

    Hello again,

    what I also realized in the meantime is, that the rear Main Output has a some hiss and hum, also without any signal sent to it.
    There seems to be something wrong and I will probably have to send it back to the seller…

    Or do you have any idea?

    Christoph

    #25924
    Christoph ScheidelChristoph Scheidel
    Participant

    Maybe another user can check his unit and tell me, whether it is normal, to turn up the Headphone Output knob completely and also raise the volume of the internal mixer to 99 to hear a well leveled signal in a relatively low volume through headphones. I use a Beyerdynamic DT770M (80 Ohm) which is normally never too low…

    Thank you!

    Christoph

    #25927
    Tom SailorTom Sailor
    Participant

    Hi

    Have you tried using headphones that are 32 ohms to see if that helps?

    #25930
    Christoph ScheidelChristoph Scheidel
    Participant

    Thanks for your reply!

    No, but 80 Ohm is a relatively low impedance. I would expect to blow my ears if I crank up a headphone output completely.
    The volume I get is so low that it is absolutely useless for anything.
    Could you please check, whether it is possible to get a loud signal on headphones? If so, my unit is definately faulty and I would have to return it….

    Thanks!
    Christoph

    #25943
    John C MoonJohn C Moon
    Participant

    Hi, nice to be able to contribute, as when i worked in Radio, headphones from 80-400 were used for testing across line (high level) rack….for protection.
    Think you really need a pair at 8 Ohm or 16, never sure why manufacturers produce 80 Ohm h/phone unless its to protect our hearing, eh
    Cheers.. john e. or perhaps buy a headphone amp

    #25944
    Christoph ScheidelChristoph Scheidel
    Participant

    Hi John,

    thanks for your comment!

    today there a only very few studio headphones with 16 Ohm, I don’t find a single one with 8 Ohm if I check online stores.
    Most of them are 80-600 Ohm. Even with my 600 Ohm headphones I get enough level on all my studio and live gear.
    I am quite sure that a 16 Ohm headphone would not give me sufficient volume either, especially as this unit
    is supposed to be used in live recording situations. With my 80 Ohm headphones I can hardly hear myself, when talking in a well leveled microphone (hits 0 db when soloed), which is sent to the mix out. Although internal volume and output knob are 100%.

    And still I have some hiss and hum on the rear main out, although I use symmetrical connections to my speakers.

    I would really appriciate, if someone at Cymatic could plug in some headphones with at least 80 Ohm and tell me whether they get suffient level for live recording situations. I am still wondering whether my unit is faulty…

    If I send my unit back to the seller and they tell me everything is fine, they charge me for checking the recorder…

    So please…

    Thank you!
    Christoph

    #26381
    Christoph ScheidelChristoph Scheidel
    Participant

    Hello,

    I just wanted to let you know that I sent back the unit. I received another one.

    Same problem! Far too little output power provided by the headphone amp.

    Another thing I recognized. You are recording noise. It sounds like a computer writing files on a harddisc. At first, I thought that it is only audible on the main ouputs. But then I exported the file to the computer and the noise is still there. It has a low level of course, you can only hear it when you crank up the volume of your speakers, but it is a no-go in my opinion. I recorded to a Samsung M3 Portable.

    So I also sent back the second unit and reinstalled my good old Fostex D2424LV.

    It is too bad that this thing didn’t suit my needs. I also would have loved to get better help from the company.

    Christoph

    #26388
    Laszlo .Laszlo
    Keymaster

    Hi Christoph,

    In the monitor mixer of uTool, you can see each channel are reduced with -12dB. That’s a safe value, if every channel have full scale signal, this helps to avoid from the overloading of the headphone amp.
    You can change that -12dB value to higher, (of course your responsibility depending on your source files) to set the right value without clipping.
    In this case the headphone output can be louder, but that will not solve the problem, if you try to use with high impedance headphones, with high impedace headphones need to use external headphone amp.
    About the “noise recording” can you please send me some sample of this recordings to the support@cymaticaudio.com email address with detailed description of the connected inputs and devices?

    #26444
    RMBRMB
    Participant

    I appear to have the same problem concerning the rediculously unusable headphone out.
    My current setup is klark teknik preamps feeding an Alesis HD24. And today the utrack24.
    Today was the first time using my utrack24. I usually monitor on the Klarks and can hardly raise the volume on it’s headphone outs coz it’s loud. Today I had an Orchestra recording, I was excited that I would be able to make a quick listening mix on my smartphone. I was very disappointed that I could hear almost nothing even with channel volumes and headphone out maxed out. I also thought my device had a defect until I read this post. I am from overseas and returning the unit is not preferable. Please look into this, this machine seems promising.
    I still haven’t heard the recording so I cannot comment on the noise issue. Good thing i still run the alesis as a backup unit.

    #26464
    David ZuchowskiDavid Zuchowski
    Participant

    Definitely an issue. With every adjustment for volume set as high as the unit will go, you can still barely hear anything through the headphone. The answer is NOT to get 8 ohm headphones. There’s plenty of volume coming from my Antelope and Motus’ headphone output. . The uTrack24 is so close, but I’m considering getting rid of mine as well.

    #26465
    Christoph ScheidelChristoph Scheidel
    Participant

    [quote=”Laszlo” post=819]Hi Christoph,

    In the monitor mixer of uTool, you can see each channel are reduced with -12dB. That’s a safe value, if every channel have full scale signal, this helps to avoid from the overloading of the headphone amp.
    You can change that -12dB value to higher, (of course your responsibility depending on your source files) to set the right value without clipping.
    In this case the headphone output can be louder, but that will not solve the problem, if you try to use with high impedance headphones, with high impedace headphones need to use external headphone amp.
    About the “noise recording” can you please send me some sample of this recordings to the support@cymaticaudio.com email address with detailed description of the connected inputs and devices?[/quote]

    Sorry Laszlo,

    thanks for your answer but I am done with the utrack. I was waiting for good help for weeks. I won’t waste any more time with this thing. To reason the problem with high impedance headphones is ridiculous. Why doesn’t cymatic audio face the problem? I don’t get it? The company should better prepare for more discontented utrack users…

    Christoph

    #26467
    Laszlo .Laszlo
    Keymaster

    Hello Christoph,

    I’m really sorry about your problem.
    I still not received any recording samle, and detailed description about your setup, or any details about your headphone.
    I don’t want to say that your mistake, but I double checked the spam folder as well, but I still not find your recording samples or any emails from you.
    We hearing our users feedback, and we try to implement everything which can possible.
    We did the same thing with that headphone output request as well we already implemented a new mixer in the uTrack24 which can helps in this situation.
    We will include that feature in the coming firmware release.

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