Recent content by mrdon
  1. mrdon

    Chinese / Asian Brand IEM Info Thread

    Some questions concerning the **** UE family   1. Which one do you prefer - the UE, the UES, or the UE2?   2. Is the wood color actual wood or vinyl?
  2. mrdon

    Beyerdynamic New XP series, the Unexpected

    SB...thank you for your review from your blog. You mention that the XP3 would compete well with the Shure SE215, which is my current IEM of choice. In particular, how would the XP3 compare/contrast with the SE215? Also, is Jaben the only place online where these are available? Is there a US...
  3. mrdon

    The Monoprice MP9927 PG 208.. MP8320 (MEP-933)..The $7.11 club..

    Quote: As I said a more than a few posts back now, don't waste your time and money. They look, feel, and sound like a $7.11 earphone. On the other hand, the SE215s look, feel, and sound far better than a pair of $99 IEMs. Therefore, I highly suggest that you save up for a new pair of...
  4. mrdon

    Best budget IEM

    Don't waste your money on anything else. Make the leap to the SE215's. You will be very satisfied. 
  5. mrdon

    The Monoprice MP9927 PG 208.. MP8320 (MEP-933)..The $7.11 club..

    Since I needed an HDMI cable from Monoprice, I threw in a pair of these in the order just to see if all the hype was well hype or the truth. After a little burn in and listening and adding the Comply tips, my opinion is that you get what you pay for. The 8320 are cheap earphones/IEM's and sound...
  6. mrdon

    Seeking for suggestion of IEM around USD$100

    It's too bad that you don't want a recommendation for the Shure SE215, as I think you would really like it. I admit the size and design is a bit cumbersome but that trade off is well worth it given the isolation and sound.
  7. mrdon

    Valab NOS DAC - subjective listening and modifications

    BG, I don't know what version you have but you should have been able to loosen all 4 screws on the back (and 2 on the front) and slide the pcb out without an issue. So what happened? I wouldn't recommend repeating this "terrorist rookie school homework" again. You could have ruined a...
  8. mrdon

    Valab NOS DAC - subjective listening and modifications

    Quote: Originally Posted by Wood mrdon, I am using a similair product, the musiland usd 01. I dont think there is much between it and the M2Tech from what Ive read. But I went for the Musiland because Its more mod friendly. After I filled it up with BG FK, cant live without it now, the...
  9. mrdon

    Valab NOS DAC - subjective listening and modifications

    Has anyone used the HiFace M2Tech with their VALAB DAC? What were the results? I have been reading lots of great things about this device and wonder how this improves the VALAB's already low jitter (with DIR9001 mod) response. Concerning the BG NX HQ in the output stage...I used them, not in...
  10. mrdon

    Valab NOS DAC - subjective listening and modifications

    Quote: Originally Posted by marcelnl it could be due to measuring technique, what are you using ? Some older devices only show ~ 1.6 times the full peak to peak while measuring a sinus. I favour a scope for this sort of measurement. If the output really is low it could be due to the...
  11. mrdon

    Valab NOS DAC - subjective listening and modifications

    Quote: Originally Posted by Wood Strange, the 390r should give you higher output voltage, but at the risk of some distortion. I think the rating of 2.0 is for peak output. What is the problem with your measured voltage, are you having difficulties driving downstream gear? I...
  12. mrdon

    Valab NOS DAC - subjective listening and modifications

    Guys I am having an issue with adjusting the output Voltage. The best I can do is about 1.5 - 1.6 VAC, but according to all reports the output should be 2.0-2.1 when playing a 1kHz 0DB sine wave. I have replaced the VR500R thinking it was defective - got same results. I went from 390R IV to...
  13. mrdon

    Valab NOS DAC - subjective listening and modifications

    Quote: Originally Posted by PatOMalley Nice clean job. Far better than the birds nests I make. And that transformer really does the trick. Adds detail to that round NOS sound. It really should be a primary upgrade for these DACs. Thank you for the complement. I try very hard to...
  14. mrdon

    Valab NOS DAC - subjective listening and modifications

    Quote: Originally Posted by qusp can you explain then what the benefit would be in that situation? what are you protecting from jitter in the case of a transformer at both ends; the coax cable? if you have a transformer inside the dac to convert to 75R (or 110R, whatever the...
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