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<blockquote data-quote="staan" data-source="post: 8677887" data-attributes="member: 669929">see this is how snake oil worksaccording to that high-res logo you hold so dear[URL unfurl=&quot;true&quot;]https://www.jas-audio.or.jp/english/hi-res-logo-en[/URL]&lt;Analogue process&gt;<ul>
<li data-xf-list-type="ul">(1) Microphone response performance: 40 kHz or above during recording</li>
<li data-xf-list-type="ul">(2) Amplification performance: 40 kHz or above</li>
<li data-xf-list-type="ul">(3) Speaker and headphone performance: 40 kHz or above</li>
</ul>and according to kenwoods own specs on your xr401-4<table style='width: 100%'><tr><th>Frequency Response</th><th>20-20kHz(±1dB)</th></tr></table>so that means below 20 or above 20khz its over + or minus 1 db, usually a staggering roll off (notice the jas doesnt give strict parameters that qualify)and techically most amplifiers can output over 40khz (not that we could hear it anyway) so that japan audio society is just a license firm for companies to pay and use that logo to dupe suckers into thinking they are getting something specialthere is nothing high def about an analog amplifier unless it has coax or fiber input and does its own d/a</blockquote>

[QUOTE="staan, post: 8677887, member: 669929"] see this is how snake oil works according to that high-res logo you hold so dear [URL unfurl="true"]https://www.jas-audio.or.jp/english/hi-res-logo-en[/URL] <Analogue process> [LIST] [*](1) Microphone response performance: 40 kHz or above during recording [*](2) Amplification performance: 40 kHz or above [*](3) Speaker and headphone performance: 40 kHz or above [/LIST] and according to kenwoods own specs on your xr401-4 [TABLE] [TR] [TH]Frequency Response[/TH] [TH]20-20kHz(±1dB)[/TH] [/TR] [/TABLE] so that means below 20 or above 20khz its over + or minus 1 db, usually a staggering roll off (notice the jas doesnt give strict parameters that qualify) and techically most amplifiers can output over 40khz (not that we could hear it anyway) so that japan audio society is just a license firm for companies to pay and use that logo to dupe suckers into thinking they are getting something special there is nothing high def about an analog amplifier unless it has coax or fiber input and does its own d/a [/QUOTE]

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