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Hey everyone, Hope you're all doing well! I'm on the hunt for some new music and have a pretty specific vibe I'm looking for. I absolutely love songs that feature a significant contrast in dynamics and intensity. I'm talking about tracks that might start off slow, beautiful, perhaps even...

About a year ago, I added subwoofers back into my system. I had switched from a high-end full-range setup to the KEF Reference 3 Meta. As good as they are, they still roll off a bit in the very lowest octave. So, naturally, I placed the subs symmetrically: one on the left, two on the right —...

Beyond Linearity: My Journey into the World of Speaker Dispersion Four years ago, I stumbled upon ASR almost by accident, while troubleshooting an Emotiva amp issue. At that point, I had no idea I'd soon be diving headfirst into one of the deepest rabbit holes of my life: SINAD chasing. Before...

The Specs and manufacturers description Description The Auralex SubDude-II™ Subwoofer Isolation Pad is a lower profile version of our classic SubDude™, and is perfect for small subwoofers in home theaters and hi-fi systems. This patented, isolation platform features a stylish velour covering...

Good evening, everyone, Since the tweeter axis of my KEF speakers is almost criminally low and my experiment with raising them worked wonderfully – currently using furniture rollers under the speakers – I’m now planning to build a permanent installation. For this, I want to have a local...

I might be wrong, but hear me out. Whenever there is a distortion measurement in Audio Precision at the usual levels of 86 dBSPL and 96 dBSPL, in my understanding, this measurement is 100 % relative to the frequency response of that speaker. Meaning that if the speaker already rolls off at...

Since the introduction of the CTA-2034 in 2015, scientific speaker design has made significant strides. The availability of more affordable measurement equipment—both hardware and software—for professionals and consumers alike has played a crucial role in this advancement. Today, manufacturers...

Lately I am a happy owner of a pair of KEF Reference 3 Meta. They replace my Nubert NuVero 170, which had a higher tweeter axis. It's not that I absolutely need a high tweeter axis again, but the axis of the KEF Ref. 3 Meta is really pretty low on about 90cm even with spikes. I'd love to have...

Looking at basically all active DSP speakers avaiable I wonder why there isn't a design where the speaker is active but the modules that run the speaker are kept externally or at least detachable. This would remove the biggest disadvantage of DSP speakers: the reliance on the electronics not...

Bose. Sony. Focal. Sennheiser. All of them are basically the quaternity of reasonable ANC headphones with good noise reduction and sound quality. But due to some semi necessary research for new, and better, headphones from my Bose QC 35 Gen1 and skimming through all ASR, Crinnacle and Rtings...

Greetings everyone, since even in high end DACs we usually see the stock rolloff filter hitting it's full attenuation at only 24Khz @ 44,1Khz, which is by definition of Nyquist a little too much. Now, could I theoretically fix this by just doing this: (Tiefpassfilter = low pass filter)...

Edit: Pops, clicks and distortion solved. Look at the 3rd edit of this post Hello everyone, I recently upgraded my home audio system and wanted to share my experience, hoping it might help others facing similar issues. The Upgrade: I've set up a new surround sound system using my existing...

Greetings everyone, I don't know what is going on here but upon switching the sample rate of my PC that is connected via HDMI 2.1 to my Denon 3700X AVR to 48 Khz from 44,1Khz it has a rise in clarity. I am super wary of placebo, so how do I verify this difference? I have an Interface an...

Hey folks, I am selling my almost new Topping LA90D since I just can't seem to fit them into my setup reasonably. It's back to AVR for me - for now. So my loss might be your gain. They are a little more than a month old and have more than 1,5 years of warranty left. They are working perfectly...

I've been reading along here at Audio Science Review for a few years now and have used Amir's measurements to buy just about every piece of electrical equipment in my signal chain. With an SMSL SU-9N, a Topping PA5 and now a Topping LA90D, I was pretty much at the physical limit of what is...

Hi! Since some ongoing discussion in this thread I wanted to create a poll where people could vote and then share their experiences. I have two LA90D in monoblock configuration, figuring these would be the last amps I'd ever need in my lifetime if vented well. Because of the above mentioned...

Greetings everyone! Looking at the current state of AVR processors and receivers, it's kind of meh. Well, for the price they're mostly alright (Hi Denon ;)) but in almost all cases something is amiss. The propietary room calibrations are expensive, the stock variants rarely are optimal and...

Hey everyone, have a look at the attached picture. These are my speakers and I love them. BUT in my opinion they have a flaw in the d'appolito design considering the BMR-Tweeter-BMR arrangement. The distance of those BMR from each other around the tweeter center-to-center is 23cm. This would...

I believe with the current consumer technology you can spend a little money for measurement equipment to get about any speaker to a ruler flat response on your desired listening position. After thinking a while, the following ones are the crucial characteristics to look out for in my opinion: -...

What made it so that those two companies have the oligopoly for almost all movie audio licenses? How did they win against simple PCM, MP3, FLAC, OGG, AC3? Couldn't all movies just swap to FLAC or OGG in ditch all those license fees, decoding issues, compatibility troubles? Or is there a...