Some thoughts on ASR and the reviews

I’ve briefly taken a look at some online reviews for budget Tekton speakers from ASR and Youtube. Both are based on Klippel quasi-anechoic measurements to achieve "in-room" simulations.

As an amateur speaker designer, and lover of graphs and data I have some thoughts. I mostly hope this helps the entire A’gon community get a little more perspective into how a speaker builder would think about the data.

Of course, I’ve only skimmed the data I’ve seen, I’m no expert, and have no eyes or ears on actual Tekton speakers. Please take this as purely an academic exercise based on limited and incomplete knowledge.

1. Speaker pricing.

One ASR review spends an amazing amount of time and effort analyzing the ~$800 US Tekton M-Lore. That price compares very favorably with a full Seas A26 kit from Madisound, around $1,700. I mean, not sure these inexpensive speakers deserve quite the nit-picking done here.

2. Measuring mid-woofers is hard.

The standard practice for analyzing speakers is called "quasi-anechoic." That is, we pretend to do so in a room free of reflections or boundaries. You do this with very close measurements (within 1/2") of the components, blended together. There are a couple of ways this can be incomplete though.

a - Midwoofers measure much worse this way than in a truly anechoic room. The 7" Scanspeak Revelators are good examples of this. The close mic response is deceptively bad but the 1m in-room measurements smooth out a lot of problems. If you took the close-mic measurements (as seen in the spec sheet) as correct you’d make the wrong crossover.

b - Baffle step - As popularized and researched by the late, great Jeff Bagby, the effects of the baffle on the output need to be included in any whole speaker/room simulation, which of course also means the speaker should have this built in when it is not a near-wall speaker. I don’t know enough about the Klippel simulation, but if this is not included you’ll get a bass-lite expereinced compared to real life. The effects of baffle compensation is to have more bass, but an overall lower sensitivity rating.

For both of those reasons, an actual in-room measurement is critical to assessing actual speaker behavior. We may not all have the same room, but this is a great way to see the actual mid-woofer response as well as the effects of any baffle step compensation.

Looking at the quasi anechoic measurements done by ASR and Erin it _seems_ that these speakers are not compensated, which may be OK if close-wall placement is expected.

In either event, you really want to see the actual in-room response, not just the simulated response before passing judgement. If I had to critique based strictly on the measurements and simulations, I’d 100% wonder if a better design wouldn’t be to trade sensitivity for more bass, and the in-room response would tell me that.

3. Crossover point and dispersion

One of the most important choices a speaker designer has is picking the -3 or -6 dB point for the high and low pass filters. A lot of things have to be balanced and traded off, including cost of crossover parts.

Both of the reviews, above, seem to imply a crossover point that is too high for a smooth transition from the woofer to the tweeters. No speaker can avoid rolling off the treble as you go off-axis, but the best at this do so very evenly. This gives the best off-axis performance and offers up great imaging and wide sweet spots. You’d think this was a budget speaker problem, but it is not. Look at reviews for B&W’s D series speakers, and many Focal models as examples of expensive, well received speakers that don’t excel at this.

Speakers which DO typically excel here include Revel and Magico. This is by no means a story that you should buy Revel because B&W sucks, at all. Buy what you like. I’m just pointing out that this limited dispersion problem is not at all unique to Tekton. And in fact many other Tekton speakers don’t suffer this particular set of challenges.

In the case of the M-Lore, the tweeter has really amazingly good dynamic range. If I was the designer I’d definitely want to ask if I could lower the crossover 1 kHz, which would give up a little power handling but improve the off-axis response.  One big reason not to is crossover costs.  I may have to add more parts to flatten the tweeter response well enough to extend it's useful range.  In other words, a higher crossover point may hide tweeter deficiencies.  Again, Tekton is NOT alone if they did this calculus.

I’ve probably made a lot of omissions here, but I hope this helps readers think about speaker performance and costs in a more complete manner. The listening tests always matter more than the measurements, so finding reviewers with trustworthy ears is really more important than taste-makers who let the tools, which may not be properly used, judge the experience.


He's a YouTuber who uses this site to promote his, just as numerous others have done here before him. 

My youtube channel was started way after I created ASR by user requests.  Like ASR itself, it is not commercial.  Has no monetization, sponsorships or ads of any sort.  In that regard, I am NOT like any other audio youtuber or most youtubers.  Mind you, with nearly 50K subscribers, there is good money to be had but I refuse to go there.  So whether one person views my videos or a million, it doesn't make a difference to me.

They all rely on controversy and drama to whip up enthusiasm and if there's not enough excitement to generate the clicks they'll invent their own conflicts.

A lot of my videos are educational which by definition don't fall in that category.  I actually don't publish many product reviews in youtube but when I do, many are positive and without controversy.  Here is a combination of both where I talk about performance of Genelec 8050B speaker and  how to read and understand speaker measurements:


Videos are recorded live and uploaded with no edits.  No fancy purple lighting.  No clickbait titles, etc.

The only reason to dislike them would be because you don't like it when reliable data, science and engineering speak.  

But yes, there are a number of reviews showing poor performing gear.  Compare that to reviews on audio channels which they don't dislike anything they review.  As long as they get free loaner gear to test and drive traffic to their channel, the product is the best they have heard, punches above its weight, has darkest background, widest and deepest soundstage, sound analog, etc.  In other words, you can get an AI to write the reviews!



Emotionless listeners have the same MO. They’re mostly civilized and rational because they have no emotion. I judge music and sound based on inner emotion. If I want civilized and rational, we’ll have plenty of that when artificial intelligence/unintelligence takes over. Why do we watch movies that have emotion? We watch them to be entertained because if actors didn’t act with emotion, they would be boring, like robots.

You see, we live in this day and age where people think they need to know everything. If I’m watching a magic trick, I don’t want to know how it’s done. I want to be fooled, I want to be entertained. What is sound, what is music without emotion? Singers sing with emotion. That’s what makes them great. What the heck are people listening to these days? Amir needs a chart to tell him what sounds good? He needs it because he doesn’t know himself what sounds good.

Amir hates tube amps because they measure bad, yet countless audiophiles love tubes, myself included. The guy wouldn’t pass a blind test to save his life. He needs a chart to tell him.


Amir hates tube amps because they measure bad, yet countless audiophiles love tubes, myself included. The guy wouldn’t pass a blind test to save his life. He needs a chart to tell him.



I am very far myself from techno-cultism pervading the engineers crowds especially in A.I.

I dont confuse not reduce wisdom and knowledge. I dont reduce knowledge to science , and i dont confuse science with technology. and I dont confuse technology with techno-cultism religion.

But hearing studies are sciences also not only emotion...

All my audio system is stunning at peanuts price because i learned and study acoustics basics... Acoustics measured parameters with my ears or not, matter in audio experience way more than ASR fetichism of electrical engineering what we evaluate an audio system"room and even with a piece of gear ... Thats my point of contention with Amir...

Calling him names is childish ...😊

Emotion is what i felt with my stunning system each day thanks to acoustics basics...

I tuned my resonators and diffusers by ears by the way because the tools needed to do it will cost more than my system price and will not  do better  ...😊




Amir hates tube amps because they measure bad, yet countless audiophiles love tubes, myself included. The guy wouldn’t pass a blind test to save his life. He needs a chart to tell him.

I both own tube amp and have passed countless blind tests:


 If I’m watching a magic trick, I don’t want to know how it’s done. 

Neither do I.  I don't care what is inside your gear.  All I care, and so do many of your fellow audiophiles, is that the signal that is sent to it, comes out the other end unmolested and as such, respects the content as authored.  A tube amp that has copious amount of distortion and adds coloration due to its high impedance, doesn't do that.  You can still "love" said tube amp but don't go making an argument out of it.

@amir_asr Its fascinating how blunt your words are.I would write the same even if you have substituted 'tube amp' for 'ss' one.There is no place for generalization or exclusiveness of any kind, in hi fi. There are many people here, constructors, with vast knowledge and experience who have probably forgotten more than you will ever know and never read that any of them was so pretentious and tried to pronounce his conclusions or beliefs as a final and only truth. For doing something like that, person must be at least deprived of social intelligence or have delusional impression of his own importance. Either that or you are just trolling. For your own sake, I hope its the latter