Search results

  1. B

    Topping A90 Discrete Review (Headphone Amp & Preamp)

    That's why the nickname for the company is "Popping". What high measurement trash.
  2. B

    Topping A90 Discrete Review (Headphone Amp & Preamp)

    We all should stop being Quality Assurance for Topping and reward them by not buying their defective products. This makes at least 3 products I know of that fail soon after purchase. If Amirm was truly trying to look out for us he would label Topping reviews as new products and potentially...
  3. B

    SONCOZ SGP1 Stereo Amplifier Review

    How do you escalate when they won't respond to you? It wouldn't matter since they have lied and not lived up to their commitments. You've purchased 5 Dac's but how many have you tried to get a refund or replacement? Did they ask you to pay shipping from China for the replacement? Did you...
  4. B

    SONCOZ SGP1 Stereo Amplifier Review

    Nope - after very slow responses, they agreed to either refund or replace, I chose refund, and they agreed but stopped communicating and did neither -aholes. But go ahead and learn yourself if you like. Just trying to be a good neighbor and warn others.
  5. B

    SONCOZ SGP1 Stereo Amplifier Review

    Not all of us have had luck with APOS. They wouldn't issue a refund for my popping LA90 Discrete, and wanted me to pay for shipping if I exchanged. I had to challenge the charge with my bank. In my experience, they are aholes if you have an issue.
  6. B

    Parasound Zamp V.3 Amplifier Review

    I have one of these and ran tests - I think you can consider the one Amrim got as broken. Mine doesn't get more than lukewarm and tested much higher than this one. In excess of 90db S/N for example as I don't remember the exact number..
  7. B

    Schiit Vidar Amplifier Review

    So back to my original question, what measurements make a difference you can hear? I would suspect one of these would be distortion over a percent or so?
  8. B

    Schiit Vidar Amplifier Review

    I'm listening at about 5' with music playing and don't notice hiss. The Exposure just sounds great to my ears. If I turn the volume way up with no music playing, I can hear the hiss at around 11 o'clock. I tried to use shorting plugs on the unused inputs but it didn't seem to make a difference.
  9. B

    Schiit Vidar Amplifier Review

    Since hearing the Stereophile class A rated Exposure 2010s amps, I'm wondering what specs make a meaningful difference? For example, the Exposure amp does not have great S/N ratio (68DB) however sound very good.
  10. B

    Geshelli JNOG2 Review (Balanced DAC)

    I've had some more puzzling results testing various DAC's with the Right Mark software. Given the above setup, I have consistent loopback results from the X3 in the 102-105db area - so that's about the max I should see. Below are the results from various DAC's, which were all high performers...
  11. B

    Geshelli JNOG2 Review (Balanced DAC)

    Yeah I'm convinced it's my test setup after discussing with Geno. I was surprised that substituting better RCA cables made a 20 db difference in S/N! I'm going to order some coaxial rca cables and that should be even better. I'm using Right mark audio analyzer software to a soundblaster x3 line...
  12. B

    Geshelli JNOG2 Review (Balanced DAC)

    Has anyone else measured the S/N ratio on this DAC? I'm getting 85 and a Soundblaster x3 reads 105 (max for the input on the ADC for the Soundblaster)
  13. B

    Topping LA90 Discrete Amplifier Review

    I finally had to dispute the charge with my credit card company. Apos never responded. Do not make purchases from these fools.
  14. B

    Topping LA90 Discrete Amplifier Review

    I'm still waiting on my refund from Apos. They were going to replace it originally but wanted me to pay an extra charge for return shipping. They are slow to respond taking at least 4 days to respond to any questions. Buyer beware!
  15. B

    Topping LA90 Discrete Amplifier Review

    That's how mine started. It got worse over time. Mine was the amp not the wifi or any other component. I have returned mine to APOS who has not refunded my money yet.
  16. B

    Topping LA90 Discrete Amplifier Review

    Anyone find out if Topping fixed their popping and crackling in this amplifier?
  17. B

    Topping LA90 Discrete Amplifier Review

    I think Topping s/b renamed Popping. My LA90D is doing that now and I just sent an email to Apos. We'll see how that will go. Amir should remove this product from the recommended list given the number of reported problems.
  18. B

    SMSL SU-9 Balanced DAC Review

    Thanks for reporting this. Would it be possible for you to post the results of the actual tests?
  19. B

    SMSL SU-9 Balanced DAC Review

    Trust but verify - some smart person (President Reagan) once said that.
  20. B

    SMSL SU-9 Balanced DAC Review

    I just received my M500 and SU-9 back from the San Diego SMSL facility. They both work and sound good but I have no way to test and have asked SMSL rep several times how to tell if mine were fixed with no answer. I wonder if Amirm has tested a modified Dac?
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