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  1. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Indeed. The heads were demagnetised recently before I did the test.
  2. Stephen H

    Cambridge Audio Azur 851N Review and Measurements

    I forgot to put this thread inside the sub-category for network streamers. I have recreated it here: https://www.audiosciencereview.com/forum/index.php?threads/cambridge-audio-851n-review-and-measurements.39012/ I have asked Amir to delete this post.
  3. Stephen H

    Cambridge Audio Azur 851N Review and Measurements

    Below you can see my Cambridge Audio Azur 851n network streamer. I purchased it for £1199 back in 2018 from Richer Sounds (UK). It is a heavy/chunky beast with a satisfying, well-made feel to it. Features/Useability The feature list for the 851n is extensive. You can use it as a USB DAC, or...
  4. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Thank you for clarifying. All makes sense. I will update to the latest version.
  5. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    As powerful as REW is, I prefer using your software. For clarity, using the dBr option should give accurate TD/TD+N results, correct? Also, I take it the notch setting is not necessary when measuring devices such as DACs etc.? Please forgive my ignorance, this is not my area of expertise...
  6. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    My dad said something very similar. Some people would like it for room EQ curve..
  7. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    FYI, I quickly tried the frequency response test again. The result is virtually identical no matter what level I record at. I am quite certain a full calibration could flatten it out a bit. If I ever get round to this I will be sure to put up some post-calibration results. However, I should...
  8. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Awesome! Thanks for sharing :D I will have a look through the website later
  9. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Thanks for the info! I will try and get round to running the frequency response test at -20db to see how it performs. This has been suggested by a good few people now, so it's definitely something to explore. If I do get round to it, I will be sure to update this post.
  10. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Ahh fair enough, thanks for the knowledge tip!
  11. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Yeah it's a shame regarding availability. I would email the owner of the website (Tomi Nihtila) if you were interested in getting your hands on one. He is a really helpful guy and may be able to say when and if he'll be making more boards. I know he has struggled due to AKM availability. Glad...
  12. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Ah OK, thank you for the suggestion. I may try this some point soon and post an update!
  13. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Maybe sometime in the future I'll mess around with the deck and try and improve head-alignment/calibration etc. For now, I am happy enough with it
  14. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Sorry deleted my previous reply by accident. You should definitely have a go at measuring it if you get time! I am highly jealous of the each-way play feature :D
  15. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Thanks for the tip! I will keep that in mind.
  16. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    I did try both tape types. Made more or less no difference to measurements!
  17. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    Beautiful machine! I love the digital counter on the 625! Interesting to know that you also find it to has a warm sounding low end. I can see how this could be appealing to a lot of people. Definitely have to replace the transistors, they cause all sorts of horrible noise and distortion. You...
  18. Stephen H

    Akai GX-620 Reel to Reel Tape Deck Measurements

    No probs :) Tape speed = 7.5ips. Recording level set at 0db (deck runs at 250nWb/m reference fluxivity). Indeed a lot of variables here! Far too many for me to investigate. The deck could certainly be tweaked and further calibrated to improve performance. However, it's good enough for me!
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