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DJDropzDead

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    Nanofader boards

    in EQUIPMENT & AUDIO PRODUCTION

    Posted · Edited by DJDropzDead

    The CMOS logic gates should be good up to about 18v, but the TL074 will get pretty marginal below about 7v (in retrospect it was a terrible choice of opamp). If you replace it with a rail-to-rail op amp it could easily go down to less than 5v.

    Thx! i tried it with 5v and it seemed to work too. Keep it at 9v/12v for now.

     

    BUT my sound is distorted like too many db's. What could this be?

    Numark PT-01 modding thread

    in EQUIPMENT & AUDIO PRODUCTION

    Posted · Edited by DJDropzDead

     

    Is the Jesse Dean tonearm BASE in the PT01 scratch(fresh out of the box) supposed to be wobbly to the sides and up/down?

     

    When scratching with the PT on my legs the tonearm jumps a lot.

     

    I installed it as shown in the video on the JD Youtube channel, but added another flat ring on the bottom of the base below the deck, else i could lift the base a little which i thought wasn't right.

     

    Mine don't feel wobbly. Make sure you have the stock washer on the topside if so.

    Edit: I mounted my m447s in the middle holes, and almost never skips even when jarred.

     

    This just about the base, not the the mount for the cartridge. I have the washer on the topside and had to add another on the downside where the nut is or else it would move up and down. This is weird. What am i doing wrong?

    Numark PT-01 modding thread

    in EQUIPMENT & AUDIO PRODUCTION

    Posted

    Is the Jesse Dean tonearm BASE in the PT01 scratch(fresh out of the box) supposed to be wobbly to the sides and up/down?

     

    When scratching with the PT on my legs the tonearm jumps a lot.

     

    I installed it as shown in the video on the JD Youtube channel, but added another flat ring on the bottom of the base below the deck, else i could lift the base a little which i thought wasn't right.

    Numark PT01 motor noise issue

    in EQUIPMENT & AUDIO PRODUCTION

    Posted

    Not sure if this is the same problem, but a few days ago i bought a new PT01 scratch. So after unpacking, plugging in the dc and listening to a record for the first time over headphones i heard some noise. Funny thing was the noise got louder when i got near the needle like a theremin. Without the headphones over speakers i had to turn up the volume to max and hold my ear on the speaker to hear it, but it was there. As i cut on headphones all the time i thought i had a defective unit and sent it back.

    The Shop i got it from ran some test, but couldn't hear anything, but they used a powerbank. After i told them to use the included DC they were able to reproduce this problem even with other and older devices. It seems that the power adapter is creating this noise and probably all units have this. I requested my unit back as i'm going to use it with a powerbank anyways and we all know that numark wont do shit about it.

    • Like 2

    alternatives to technics in 2018

    in EQUIPMENT & AUDIO PRODUCTION

    Posted

    I got myself an Epsilon DJT 1300 for 160Eur. I also have the RP6000, had the RP7000, Vestax, Technics an i think some more over the years. It seems to have the same motor and tonearm as most of the Hanpins if not all. Only difference was the looks and the platter not being rubberized on the underside. Ritchie Rufftone put them to test and they passed all the tests without problems in combination with the M44-7. I use them with the Qbert Ortofons and think it feels and is pretty good.

    Numark PT-01 modding thread

    in EQUIPMENT & AUDIO PRODUCTION

    Posted

     

    Can anyone tell where i can solder the wires from the bluetooth decoder boards audio-out to(Numark PT01 USB(NOT the scratch version)?

    Cut the wires from TE8 and just solder it in between?

    Resistors or anything needed(its both line signal so i don't think so)?

    Yes you'll need resistors. You're mixing the signal so just connecting the two outputs together could damage them.

     

    I posted one potential solution earlier in the thread -

     

     

    thanks, i'll try to figuere it out. Hopefully i can put it to use with my limited knowledge of electronics

    Numark PT-01 modding thread

    in EQUIPMENT & AUDIO PRODUCTION

    Posted · Edited by DJDropzDead

    Can anyone tell where i can solder the wires from the bluetooth decoder boards audio-out to(Numark PT01 USB(NOT the scratch version)?
    Cut the wires from TE8 and just solder it in between?
    Resistors or anything needed(its both line signal so i don't think so)?

     

    Update:

    So i tried to connect the decoders audio-out to to the TE8 cable, but i only heard weird noises.

     

    Another question: The 3pin plug on the USB-out board is audio-out only, right?

     

    Update 2: Tried audio-in AND audio-out.both give me the same weird noises with or withour the TE8 connection. What am i doing wrong here? o.O

    Numark PT-01 modding thread

    in EQUIPMENT & AUDIO PRODUCTION

    Posted

    Maybe a flat cable over the motor part and the sensor inside the inner cicle. I could imagine a second layer with the marks attached from the inside and avoiding dremel need... it could work if the space lets fit the flat cable and the sensor pcb fits under the platter.

    Anyone with an open unit want to try it? Or almost check space...?

     

    This djdiggla pic could be inspiring for someone ^^

    https://instagram.com/p/BP0wYsYFqQX

    Not sure if i got this right, but from i just thought if it would be possible to just print out a blackwhite stripes sticker and stick to the side of the platter and put a optical "reader" diode on the opposite side of the sticker?

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