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[Video] Speaker measurements by Danny Richie

maty

maty

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GR-spectral-5_25-1_5-ms.png


GR-spectral-little-studio-monitor.png
 
KEF Q100

Resized

KEF-Q100-impedance-phase-big.png


KEF_Q_100_Wasserfall-x2.png


KEF_Q_100_Wasserfall-x2-scale-grey.png


Like Danny Richie speakers, the spectral decay is fast. And the KEF Q100 has less problem at HF than KEF LS50 but I can see a very little resonance at 700 Hz -> it needs more mass and damping absorbent (mechanical) material like my loved and cheap TecSound SY70 (I have a lot of; if someone near Tarragona (Spain, EU) needs this material I can give you the one you need for your speakers by free).

[Spanish PDF] https://lotus.soprema.fr/www/reftec...472B0B/$File/FT_INSSP002.b.ES_TECSOUND SY.pdf
 
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Crossovers: Laying a Foundation


Passive vs digital crossover and more.

Richard Hollis

-> https://www.danvillesignal.com/high-performance-audio/dspmusik-2-8-multichannel-dac
Semi-customizable, Professional Audio Converter Platform

...The dspMusik starts by using low phase jitter clocks driving all the data converters. The optional ADC incorporates very high common mode rejection / low noise balanced inputs and DACs with minimum phase anti-imaging filters (desirable to avoid pre-echo effects). Signals are processed by an audio-optimized 32-bit/40-bit floating point DSP capable of up to 384 kHz performance.
Click to expand...

-> https://www.audiosciencereview.com/...phase-vs-linear-phase.8762/page-7#post-225351
 
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maty said:
Instead of starting a specific thread in DIY or Speakers I think it is better to use the current one.

How to Improve the Klipsch RP-600M!


View attachment 40385

Original. Very cheap 5 components.

View attachment 40387


With the new crossover. 5+1 components.

View attachment 40389

https://www.stereophile.com/content/klipsch-reference-premiere-rp-600m-loudspeaker-measurements

https://hometheaterhifi.com/reviews/speaker/bookshelf/klipsch-rp-600m-loudspeaker-review/

https://www.amazon.com/Klipsch-Reference-Premiere-Bookshelf-Speakers/dp/B07G3D2C8S/ $629
Click to expand...
This guy seems crazy. I see the measurements and he definitely knows a bit about crossovers. But tube connectors, really?
 
vitalii427 said:
This guy seems crazy. I see the measurements and he definitely knows a bit about crossovers. But tube connectors, really?
Click to expand...

You can try to verify it for yourself.


Re: Klipsch RP-600M Upgrade
Tube connectors test

Begins at 17' 33". Link ->
Click to expand...

Despite the loss of audio quality on YouTube, many of us have been able to appreciate the big difference. Me with my modified KEF Q100 5.25" coaxial speakers, without headphones.

Therefore, if you are not able, you surely have at least one large bottleneck in your audio system.
 
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maty said:
You can try to verify it for yourself.


Re: Klipsch RP-600M Upgrade


Despite the loss of audio quality on YouTube, many of us have been able to appreciate the big difference. Me with my modified KEF Q100 5.25" coaxial speakers, without headphones.

Therefore, if you are not able, you surely have at least one large bottleneck in your audio system.
Click to expand...
I'll check this video later sure. But what is the theory behind this difference? If it is audible it should be definitely measurable.
 
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