measurements

  1. C

    Sony NWZX300 - quick measurements

    I’ve been thoroughly enjoying my Sony NWZX300 – a beautiful (yet flawed) little beast. Great interface, stunning build quality, snappy performance... but significantly underpowered. Also, there's no "Enqueue" or "Add to playback queue" function, which is a real shame! And beware that buying one...
  2. Matias

    Dan D'Agostino interview on measurements

    I posted this on another thread but it is too interesting and deserves its own discussion. Dan is a legendary amp designer formerly from Krell and nowadays with his own company. Went from designing deeply based on measurements on the later Krell days to less reducing distortion and more...
  3. Matias

    Mola Mola Tambaqui Measurements

    Mola Mola Tambaqui DAC (€10,000 or $13,400). XLR output level 6.15 Vrms according to the manual. AudioPrecision APx555 measurements courtesy of the Audiophile Magazine review linked below. Full scale 1kHz Full scale 19+20kHz...
  4. C

    Focusrite Clarett 2Pre USB - quick measurements

    Up until recently I was using the Digilent Analog Discovery 2 to perform audio measurements on my DIY audio projects - with 14-bits of resolution, it's a surprisingly powerful and cost effective little device. And while still an exceptional and blisteringly fast scope - I honestly can't see...
  5. E

    Is MiniDSP SHD's ADC performance in the same ballpark as RME ADI-2 Pro fs?

    Given that the MiniDSP SHD and the RME ADI-2 Pro fs both use the same AKM chips, have similar specs, and in Amir's DAC testing showed very similar performance, is it safe to assume that the ADC performance of the MiniDSP SHD is likely to have a SINAD within a few dB of the RME ADI-2 Pro fs? I...
  6. pma

    Review and Measurements of Marantz SA7001 CD/SACD player

    Marantz SA7001 CD/SACD player Marantz SA7001 is a nicely built unit of the year 2006 that was capable to play CD and SACD discs. As now, it only plays CD discs for me, so it is only tested as a CD player. Photos of the front and rear view SA7001 has detachable 2-pin IEC mains cord Photos...
  7. pma

    DAC vs. CD player shootout (measurements)

    CD player vs. DAC shootout I was curious to compare parameters of the nicely built CD player Vincent CD-S3 (2004) vs. a good but not the newest DAC, Cambridge Audio DacMagic Plus (2012). Cambridge DacMagic Plus was already tested here. Vincent CD-S3 is a player with HDCD decoding option and has...
  8. pma

    Review and Measurements of Trend DV-821A universal DVD player

    Trend DV-821A This is a review and measurements of a cheap DVD player, Trend DV-821A. It costed about $35 in 2009. It plays DVD/MP4/SVCD/VCD/CD/HD-CD/WMA/MP3/JPEG files. Parameters as per user manual: Frequency response … 20Hz – 20kHz / +/-1dB / Fs = 192kHz Audio S/N … >= 90dB Dynamic range...
  9. pma

    Review and Measurements of ONKYO DV-SP503E universal player (2005)

    ONKYO DV-SP503E universal player I bought this universal player in 2005 and it is still working. It is based on cheap TI PCM1742 D/A converter. It works now only with original CDs (does not read CD-R well), reads DVD and DVD-A and has troubles with SACD. So I restricted my CD measurements to...
  10. pma

    Review and Measurements of Technics SL-PG100 vintage CD player

    Technics SL-PG100 This was my first CD player, bought in 1991. It is based on MN66271 1-bit MASH converter. It is incredible but it works flawlessly till nowadays. However, I never liked the sound of the unit and replaced it soon with SONY XA-2ES. Technics was also responsible for my initial...
  11. pma

    On Class D Amplifiers Measurements

    Class D amplifiers have defined a new discipline in audio amplifier design and parameters, similarly as digital CD audio after its arrival in 1980-ties. After some time after its arrival, it was apparent that CD measurement methods would need something else and more than previous, purely analog...
  12. pma

    Measurements of vintage Kenwood KA-5010 amplifier clone

    When I first saw schematics of vintage Kenwood KA-5010 amplifier, 2 years ago, I was immediately attracted and decided to build a circuit copy, better say a copy of the circuit topology with some newer solid state parts used. There were 2 points leading me to this decision - frequency...
  13. L

    Need a little help - Bryston BP 26

    Hi, This is Lars from Germany. I am certainly an absolute beginner in terms of understanding measurement results. I am considering buying a used Bryston BP 26 - roughly ten years old. Can someone help me out and explain whether the measurement results for the preamp section (can be found here...
  14. Matias

    MSB DACs measurements

    I wonder if @amirm 's test would confirm these impressive numbers that MSB has once shared about its R2R DACs. Comments?
  15. BillG

    NAD M10 Streaming Amplifier Lab Report...

    hi-finews.com has run a performance analysis on the NAD M10 streaming, integrated amplifier recently, and this is what they found - I can't attest to the validity of it , though...
  16. Xulonn

    If it quacks like a duck…

    After negative comments from fellow ASR members whose opinions I respect, I see their point and have deleted much of this post and the poll that was part of it. Those components were detracting from my original motivation the starting this thread. Although I am very interested in the...
  17. M

    Speakers and IM distortion

    It felt inappropriate to post this in Amir’s “Should we (I) get into speaker testing & measurement” thread, so I started a new thread here. One of the sites I follow regularly on the internet is Lowbeats, see: https://www.lowbeats.de This is a German HiFi-Online-Magazin, as they call...
  18. Azeia

    Confusion regarding JDS Labs Atom power vs THX AAA 789 power

    Hello, I'm new here, although I've been lurking and reading the reviews for a few weeks now. I hope this is the right place to post this question, I saw other posts asking for recommendations, etc, so I thought this was as good a forum as any to ask. My question relates to the power...
  19. darmanastartes

    New Aune S6 Pro

    I saw someone on Reddit post this morning that they'd gotten this DAC/AMP, which was the first I'd heard of it. Searching Aliexpress lead me to these...
  20. Ratio

    [Teardown and Measurements] Swissonic HAD-1 AD/DA converter + headphone amplifier

    Hey guys, this is actually my first post on this forum so maybe a little introduction is in place. I am an electrical engineer from Finland and I've been in the headphone audio scene for quite some time now, went through a lot of gear and decided to do some measurements of my own. My measurement...
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