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Danny at GR getting bad Talk Back from many of his viewers

What truth?
That Danny is going to charge a customer with worn-out tweeter for a new crossover?
How much you want to bet that Danny charges more to mess the speaker up than the entire cost of replacing the aged tweeters?

I have noticed that his measurements, on many of the Klipsch stuff, from modern days, seems to be mostly accurate up till the mid to higher treble.
It seems he measures less treble even on many speakers that are fairly treble heavy.


Seems from about 4-5 Khz up his stuff shows a droop, on most speakers compared to reliable online magazine reviews, such as stereophile and so on.
Not even worth the time to get screen captures and save the images, but he is always about 2-3 db down from 4-5 khz upwards.

So speakers that are actually very neutral, look to drop in the mid to upper treble.
 
I have noticed that his measurements, on many of the Klipsch stuff, from modern days, seems to be mostly accurate up till the mid to higher treble.
It seems he measures less treble even on many speakers that are fairly treble heavy.


Seems from about 4-5 Khz up his stuff shows a droop, on most speakers compared to reliable online magazine reviews, such as stereophile and so on.
Not even worth the time to get screen captures and save the images, but he is always about 2-3 db down from 4-5 khz upwards.

So speakers that are actually very neutral, look to drop in the mid to upper treble.
I don't see it.
For instance, he sells a mod for the RP600M:
Amir tested it:
Danny measures them, and aside from his large smoothing they measure bright, and are line-on-line on top of Amir's measurements:
1699230160710.png

I've adjusted Danny's to the same approximate scale as Amir's to allow comparison. The dotted line is a trace of Danny's data overlaid on Amir's.
His measurements, aside from smoothing, scale, etc. look fine.
In the case of these Jamo speakers, he ignored the obvious.
Funny, I have Seas TC25F002, about 20 years old. The ferrofluid dried out as they do in this era of Seas tweeters, and they started sounding and measuring just like the ones Danny showed. But I didn't get distracted and haul out the crossovers and replace the binding posts. I replaced the ferrofluid, it was much cheaper and actually fixed the problem.
1699231125196.jpeg

It's so odd that Danny, with his supposed speaker guru experience, doesn't know about common issues like this.
 
I have no problem trusting Danny. Especially when he proves the guts of these speakers are made of the cheapest junk and the proper parts hardly cost a few dollars more. I have no sympathy, whatsoever for Corporate Agenda antics, fraud and dishonesty and I am very grateful for GR Research pulling the wool out of our oversold eyes. The magazines are nothing but sales ads, pushing the same stuff from their own country.
It's exciting to hear Danny expose the truth. I can't wait until I can afford the Bully's.
Ok Danny, we know its you.
 
He does imagine the audience numbers if he presented in just a pair of speedos.
Keith
 
I don't see it.
For instance, he sells a mod for the RP600M:
Amir tested it:
Danny measures them, and aside from his large smoothing they measure bright, and are line-on-line on top of Amir's measurements:
I've adjusted Danny's to the same approximate scale as Amir's to allow comparison. The dotted linView attachment 324343e is a trace of Danny's data overlaid on Amir's.
His measurements, aside from smoothing, scale, etc. look fine.
In the case of these Jamo speakers, he ignored the obvious.
Funny, I have Seas TC25F002, about 20 years old. The ferrofluid dried out as they do in this era of Seas tweeters, and they started sounding and measuring just like the ones Danny showed. But I didn't get distracted and haul out the crossovers and replace the binding posts. I replaced the ferrofluid, it was much cheaper and actually fixed the problem.
View attachment 324346
It's so odd that Danny, with his supposed speaker guru experience, doesn't know about common issues like this.

Thanks for taking the time to compare!
I know I have seen the drooping high end on at least a few of his measurements. Now you have me rethinking which ones it was, as it was quite obvious on a few. Perhaps it was a Wharfedale I saw the droop on. Either way, not a HUGE deal.

Though your dotted line you created shows an upward trend from 3-9 khz compared to Dannys original measurement. Not a huge amount, but at least one decibel.

May have been the Wharfedale Denton and 12.1 compared to Erins measurements. Going by memory, but it was months ago I saw the differences/
 
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Though your dotted line you created shows an upward trend from 3-9 khz compared to Dannys original measurement. Not a huge amount, but at least one decibel.

May have been the Wharfedale Denton and 12.1 compared to Erins measurements. Going by memory, but it was months ago I saw the differences/

Despite all the criticism of Danny, he is an experienced loudspeaker designer. I can't imagine him making any major mistakes with LS measurements.

But there are also permitted tolerances for calibrated measurement microphones and if the DUT is not identical, there are also deviations due to the model tolerances of the speaker manufacturers.
These tolerances can cause a good +-1-2dB or more deviation in the FR measurements.

In a round robin test of 13 DIY loudspeaker designers, the frequency response measurements with calibrated mics of an identical DUT were compared with the measurement in an anechoic chamber. Ignore the deviations below 300Hz, which are caused by the gated measurement:
1699272003743.png
In most cases the deviation is +-1dB, but it can also rise to +-2dB in places.

In my case, the deviation was around +-1dB compared to the measurement of the identical DUT in the anechoic chamber:
1699273671599.png

When comparing frequency response measurements, it must therefore always be borne in mind that deviations can occur due to:
- Tolerances of the calibrated measurement microphones
- Deviations due to the measurement method. Gated measurements lead to additional smoothing, but anechoic chambers also have tolerances, especially in the low frequency range.
- Manufacturer tolerances for loudspeakers of the same series. This could easily be +-1.5dB.
- Differences in the choice of reference point during measurement. Center tweeter, between tweeter and midrange driver,...
- Different environmental conditions during measurement - temperature, humidity, measurement distance,...

Taken together, +-1dB is already very good for gated measurements. With Klippel NFS and anechoic chamber I would expect +-0.5dB, depending on the smoothing of the FR - more than +-0.5dB deviation in the low frequency range.
 
Thanks for taking the time to compare!
I know I have seen the drooping high end on at least a few of his measurements. Now you have me rethinking which ones it was, as it was quite obvious on a few. Perhaps it was a Wharfedale I saw the droop on. Either way, not a HUGE deal.

Though your dotted line you created shows an upward trend from 3-9 khz compared to Dannys original measurement. Not a huge amount, but at least one decibel.

May have been the Wharfedale Denton and 12.1 compared to Erins measurements. Going by memory, but it was months ago I saw the differences/
Like Ctrl, I agree with his measurements, as far as I am qualified!
I just don't always agree with what he does with his measurements!!! In the case of the Klipsch RP-600M, actually fixed a serious response issue, (although at a cost almost equal to the price of a new pair of speakers, for a 1st order crossover...)
 
This site needs some kind of "troll-ometer." 48 responses to a troll post (#3) and the troll has never returned. Who are you guys replying to? :facepalm:

Alright, we know the troll is Danny, but still. :rolleyes:

After a year on this site, I'll bet 48 replies to an obvious troll is not even close to a record. In this case, 'only' ~3 pages. And the music threads get mainly YouTube-imbed shit posts... :cool:
 
This site needs some kind of "troll-ometer." 48 responses to a troll post (#3) and the troll has never returned. Who are you guys replying to? :facepalm:
Wait...troll? I was totally convinced, and trust Danny now.
 
I have no problem trusting Danny. Especially when he proves the guts of these speakers are made of the cheapest junk and the proper parts hardly cost a few dollars more. I have no sympathy, whatsoever for Corporate Agenda antics, fraud and dishonesty and I am very grateful for GR Research pulling the wool out of our oversold eyes. The magazines are nothing but sales ads, pushing the same stuff from their own country.
It's exciting to hear Danny expose the truth. I can't wait until I can afford the Bully's.
Oh lookie. A new acct with 4 posts defending Danny. Knock me over with a feather.
 
This site needs some kind of "troll-ometer." 48 responses to a troll post (#3) and the troll has never returned. Who are you guys replying to? :facepalm:

It is necessary for the search engine ranking. ASR is increasingly establishing itself as a source of information about GR-research with its threads and postings.
Such "troll postings", if answered "sensibly", help to disseminate further independent information.
 
Sigh. Danny trolls ASR. ASR growls and snaps. Repetere ad infinitum, ad nauseam...
 
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What a coincidence, considering what has been brought up in this thread about Danny's measurements. Watch starting at 4:40 into the video where Danny addresses the question, which he has received recently, if there is something wrong with his measurements because it rolls off in the higher frequencies. Danny's answer: Nope, nothing wrong with my measurements or with my measuring microphone

 
Despite all the criticism of Danny, he is an experienced loudspeaker designer. I can't imagine him making any major mistakes with LS measurements.

Am trying to reconcile this with what you posted in #31 my dear friend.

My takeaway would be Danny is a qualified liar!
 
Am trying to reconcile this with what you posted in #31 my dear friend.
You can have a lot of experience and still make mistakes when designing a speaker. Especially if you don't take full measurements or don't simulate the speaker during the design process.

Not a friend anymore ;)
 
Am devastated, please accept my deepest regret for misinterpreting german sentiments! :oops:
 
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Danny may be an experienced designer but his experience is from decades ago and he has not progressed to keep up with technology. He preaches about taking your sound to the “next level” but seems more like an excuse for not taking his own game to the next level. He continues to use old proprietary drivers with old measuring equipment and processes. As with other old school designs, this can sometimes yield a nice sounding speaker but rather than using science to get to the next level, Danny promotes his magic beans (custom cables, special caps, tube connectors, cable risers and cryo).

While I get the attraction to many of these mystical upgrades, they are much like the latest fad diet. They may look promising initially but most eventually leave people unsatisfied and looking for the next quick fix. When you start to look more objectively at what you eat and how much, the results are much more beneficial. Amir’s (and other more objective) reviews help us to better understand what we are consuming.

The bottom line is not to succumb to audiophile junk food!:cool:
 
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