tag:blogger.com,1999:blog-4781727111866727703.post8923953947069264474..comments2024-03-28T00:31:13.472-07:00Comments on <em>Archimago's Musings</em>: RETRO-MEASURE: Klipsch Forté I speaker impedance. (And it looks like Qobuz responds to Amazon...)Archimagohttp://www.blogger.com/profile/08642574001287787545noreply@blogger.comBlogger11125tag:blogger.com,1999:blog-4781727111866727703.post-74787594516365923732020-12-08T08:35:28.774-08:002020-12-08T08:35:28.774-08:00Hey, did you measured the real sensitivity of this...Hey, did you measured the real sensitivity of this Forte I? They claims 98db but i'm skeptical.Alex Defenderhttps://www.blogger.com/profile/04340494538783233127noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-9192414892460957972019-11-17T14:05:57.160-08:002019-11-17T14:05:57.160-08:00Hi Joe,
I assume you're looking at this Speake...Hi <em>Joe</em>,<br />I assume you're looking at this Speakerdata data:<br />https://speakerdata2034.blogspot.com/2019/03/spinorama-data-kef.html<br /><br />Yeah, no surprise that given the complexity of speaker measurements there will be many variables that need to be reconciled in order for the results to look similar. There was a comment a number of weeks back about the NRC and limitationsArchimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-29556411839561322702019-11-16T06:32:16.119-08:002019-11-16T06:32:16.119-08:00I looked at the graphs on the Speakerdata site and...I looked at the graphs on the Speakerdata site and found a graph (SPL/Freq. response) of the KEF R11 that I could compare to the measurements taken by Soundstage at the NRC chamber. Very interesting how even measured data can look very different. I have to assume that something in the measurement technique was different? The Soundstage setup only states that the microphone measuring position wasJoethePophttps://www.blogger.com/profile/05131188466458926859noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-76283142409991373482019-11-15T07:43:22.697-08:002019-11-15T07:43:22.697-08:00Thanks for that mp,
Nice look into what Audio did ...Thanks for that <em>mp</em>,<br />Nice look into what Audio did back in the day. Thorough use of ETC graphs and I hadn't seen those reactance/resistance plots before with the resulting "pig tails". Heyser was truly the rocket scientist of audio! Impressive.<br /><br />I believe he died in 1987. Just a year after that Klipschorn article.Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-46813713981946244372019-11-15T07:15:50.084-08:002019-11-15T07:15:50.084-08:00Hi mgraves,
Nice hearing from you. Indeed a waste....Hi <em>mgraves</em>,<br />Nice hearing from you. Indeed a waste. Of course, their "solution" was never even a solution that I think audiophiles ever wanted or needed by the end of 2014 when it was introduced to the world :-).<br /><br />All I think MQA is to Tidal these days is an albatross around their neck having extra hoops to jump through to convert all that music to this Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-44398602299107102182019-11-15T07:03:25.933-08:002019-11-15T07:03:25.933-08:00Hi JoethPop and Steve,
Good discussion and excelle...Hi <em>JoethPop</em> and <em>Steve</em>,<br />Good discussion and excellent points. Absolutely. Speaker measurements whether it's the electrical side of the equation like the impedance curve or mechanical side with frequency response, time, and off-axis work are essential components that I wish we had more of in reviews.<br /><br />Of course knowing these things will not necessarily ensure Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-22853670637498923572019-11-14T17:01:47.287-08:002019-11-14T17:01:47.287-08:00Hey Steven. I am a frequent visitor of the SoundSt...Hey Steven. I am a frequent visitor of the SoundStage! sites. It can be very enlightening comparing their anechoic measurements of speakers they review with the published claims of the manufacturers, especially those that include claimed anechoic data. Thanks for the Speakerdata link. I had not seen that before.JoethePophttps://www.blogger.com/profile/05131188466458926859noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-52096943102684399272019-11-13T13:54:01.755-08:002019-11-13T13:54:01.755-08:00Most loudspeaker reviews, even those with measurem...Most loudspeaker reviews, even those with measurements, don't do nearly enough. At the NRC then later at Harman, Drs. Floyd Toole and Sean Olive developed metrics that predict pretty well when a loudspeaker will 'sound good' to most people. These consist of extensive on and off-axis measurements....a 'spinorama' of measurements, preferably in an anaechoic chamber (a method StevenShttps://www.blogger.com/profile/08457350132948312910noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-90804165258550488442019-11-13T09:33:14.473-08:002019-11-13T09:33:14.473-08:00As far as Stereo Review not publishing graphs? I ...As far as Stereo Review not publishing graphs? I think it was mostly a question of space, and the fact that their typical reader was not interested in that much detail. If you desired a full blown speaker review, I mean completely full blown, you'd go to Audio magazine, specifically Richard Heyser's work. Compare his 1986 Klipschorn review.<br /><br />http://www.soundhifi.com/klipsch/mphttps://www.blogger.com/profile/18097217525721294832noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-55627576395496985332019-11-12T07:10:11.948-08:002019-11-12T07:10:11.948-08:00Wholly agreed on the matter of Tidal & MQA. It...Wholly agreed on the matter of Tidal & MQA. It's a waste of effort and time, since in places with economy strong enough to be a matter of concern, bandwidth is increasing faster than the Pro-MQA forces could get their solution deployed.mgraveshttps://www.blogger.com/profile/05259167043908199035noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-13771795355068835982019-11-10T11:06:17.694-08:002019-11-10T11:06:17.694-08:00Yes! Great post on the value of speaker measuremen...Yes! Great post on the value of speaker measurements. As I hunt for a pair of bookshelf speakers to replace my aging Paradigm Titans, the subjective reviews I come across leave much to be desired in informing me on speakers to consider. There are far too many variables in the reviews for them to be of much use to me. From source and amplification components that are usually much more expensive JoethePophttps://www.blogger.com/profile/05131188466458926859noreply@blogger.com