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The Audio Science Review Forum |
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Aussie Mick
Senior Member Joined: 21 Feb 2014 Location: Bendigo Aust. Status: Offline Points: 1091 |
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Have a listen to this.
https://darko.audio/2021/04/podcast-jonathan-novick-audio-precision-aes-cta-on-measuring-audio-gear/ Cheers, Mick
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Rega RP8 - Apheta 2 - Accession MC Enigma PS -Solo ULDE (Focal Utopia) - PS Audio M700 - Fical Kanta No2
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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It's not every day you see the same AP we use (image courtesy Mr Darko's website) Now getting on for £15,000 (plus VAT), it cannot tell you how the D.U.T. is going to sound! By the way, neither can it tell you anything without having a rather powerful PC connected to it, running AP's software. |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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Bags
Regular Joined: 14 Apr 2018 Status: Offline Points: 80 |
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Thanks Mick.
Interesting video.
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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Audio Precision's James Kelly (ex head of testing at IAG) demoing the audio analyser options to us in our test department around seven years ago. Already on our test shelf is an ATS-1A, and James is demonstrating the AP-2700 against the APX525, by measuring our Majestic pre-DAC in both analogue and digital domains. The ATS-1A now serves as the 100% production analyser in John's workshop, while the APX525 serves as R&D analyser in my workshop, and is sometimes called on to put Majestics and Bitzies through their paces. John and I have been using audio analysers since 1989 when Neutrik Liechtenstein made a 'big' analogue analyser. We also used Lindos and WK analysers at YRN. The WK (https://www.waynekerrtest.com/history.php) retired to my workshop in the late 90s and was used in 100% testing of my first products, 1999 to 2006, when the ATS-1A took over testing duties. Whereas the ATS-1A requires recalibration, the APX525 is self calibrating through software. Along with Audionics' Phil Davies, we've tested a good proportion of the UK's commercial radio stations, BBC analogue desks, as well as projects for Independent Television companies. I await to hear of the Audio Science Review Forum's equivalent experience. |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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May as well watch the video here: |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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At 38:55 "No one publishes distortion numbers at let's say 1/4 watt output or 1W output"
See my 1970s Design Indulgence topic!
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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BAK
Senior Member Joined: 14 Mar 2010 Location: Kentucky, USA Status: Offline Points: 1744 |
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and So true, But Graham's measurements are honest representations of a device's performance. AND, he does a sound quality test by playing real music to make sure a unit sounds good. Edited by BAK - 20 Jun 2021 at 7:16pm |
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Bruce
AT-14SA, Pickering XV-15, Hana EL, Technics SL-1600MK2, Lautus, Majestic DAC, Technics SH-8055 spectrum analyzer, Eminence Beta8A custom cabs; Proprius & Reflex M or C, Enjoy Life your way! |
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