Recent content by Keith_W
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Post Your Frequency Response Curve!
Oh. Well according to the description on their website, they recommend a calibrated microphone so there is probably a way to load calibration. Can't seem to find a manual for that app. Why do you want to use that app anyway? REW is free, and it is a de facto industry standard. That app costs...- Keith_W
- Post #154
- Forum: Acoustics and Room EQ Forum
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Post Your Frequency Response Curve!
Yes, it will. You can import it directly into REW. Oops I did not read your question properly ... which app are you talking about?- Keith_W
- Post #152
- Forum: Acoustics and Room EQ Forum
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Why Synergy horns?
Should probably give you a few assumptions. I assumed that the T30 was 0.3sec, and the ceiling height was standard Australian 2.7m. Anyway, want to guess why the two speakers are so similar below 400Hz? This is the published FR of the Yamaha NS1000: And the Monitor Silver-8: How come...- Keith_W
- Post #81
- Forum: Speaker Design
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Why Synergy horns?
Just to drive home the point of how much the room influences the sound, this image was posted on another forum: In red, Monitor Audio MA-8 Silver. In green, Yamaha NS-1000m. The question was, "why do these two different speakers have almost the same in-room frequency response?". If you look...- Keith_W
- Post #78
- Forum: Speaker Design
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Seeking articulate subwoofer advice
I spent $15k on a pair of custom made subwoofers. I used Rythmik Audio DS1204. These are servo controlled drivers, with the servo sensor located in the voice coil (meaning it is less susceptible to cone breakup). Each subwoofer has two of these 12" drivers, and driven by a Rythmik plate amp...- Keith_W
- Post #10
- Forum: Subwoofers
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Alsyvox Raffaello speakers arrival and unpacking
I agree, tweeters are the weak point of most modern speakers. Like you, I have a particular dislike for any speaker with a Beryllium tweeter. They all sound excessively bright and "metallic" to me. A big company with engineering resources like Focal surely couldn't have released a monstrosity...- Keith_W
- Post #40
- Forum: General Audio Forum
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Why Synergy horns?
Like you, my system is fully DSPed. I think the biggest revolution in the past 10-15 years is the tools that were available to professionals has filtered down to hobbyists like us. Software programs are available, some are even free (like REW). All that is required is to get an inexpensive...- Keith_W
- Post #70
- Forum: Speaker Design
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Any one using Acoustic Revive devices or Acoustic System Resonators?
Have you or anyone else replicated the experiment described in 6 Moons ... where they place so many resonators in the room that voice becomes unintelligible?- Keith_W
- Post #73
- Forum: Audio Tweaks Forum
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Why your audio might be bad - and there is nothing you can do
Those of you who skipped the last 5 minutes of this video should go back and watch it. In particular, his closing statements on why vinyl masters can be superior to digital, even though both vinyl and digital were mixed digitally.- Keith_W
- Post #28
- Forum: General Audio Forum
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Any one using Acoustic Revive devices or Acoustic System Resonators?
How do these things work?- Keith_W
- Post #61
- Forum: Audio Tweaks Forum
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New BMW i7 EV The New King Of Luxury ?!
Those new BMW's are hideous. Looks as if BMW has not learnt their lesson from the Bangle era and they have double downed on ugliness. -
My new 2160
I thought: - your cat has been at your amp again - you dropped your amp on your foot - you saw your power bill But seriously, congratulations! I would love to have an amp like that!- Keith_W
- Post #53
- Forum: Boulder Amplifier Forum
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Keith's Acapella system
Now that I am able to do measurements again, I spent a bit of time repeating all the measurements and designing new target curves. These are the two that I came up with: The top curve (in green) is something I copied from a friend after I paid him a visit and heard his system. This has some...- Keith_W
- Post #50
- Forum: Members' Systems
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MQA Declares Bankruptcy
Indeed. They have give new meaning to the term "MQA lossy" and "MQA folds".- Keith_W
- Post #38
- Forum: General Audio Forum
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MQA Declares Bankruptcy
Tidal is actually a minor streaming service. Source: You might notice that Tidal is lumped in with "Others" at 10.2% market share. So why did they go to bed with MQA? Rumour has it that they don't have to pay MQA licensing fees because they were seen by MQA as an important halo for them...- Keith_W
- Post #32
- Forum: General Audio Forum
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