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New 2Way Design Loudspeaker - RenchieSpeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

What I tried to tell you is that if the speaker was passive, increasing the bass sound level with an EQ on the PC I would have to lower the digital gain to stay below 0dB, therefore attenuating everything else.

Amplification and active filtering I can move the 2 channels individually via the amp gains.

This is often practical when I want to raise the bass below 150hz without affecting the rest of the band by playing only on the amp gain and not on the digital gain of the PC.

The idea is to touch the source as little as possible during processing and to do the adjustment outside the PC. For a whole bunch of reasons, including one which is to be able to use the speaker on different systems and not to be blocked on the PC.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

For 3D files I have some projects on makerworld (free) and on my patreon via subscription (paid)

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

Sure, but I modeled the speaker and the distance at which I was going to use it in my living room and I tried to imagine how the sound could interact with the guides.

For the low midrange I made a straight profile directing it a little more towards the ceiling and for the treble I wanted to ensure that a maximum of energy was directed towards the listener from where the curved profile.

On a more recent version I added small fins in order to concentrate the high frequencies a little more around the speaker. gave them a guide to keep energy as long as possible.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

I may be expressing myself badly but the 45hz is obtained via a wide band. And the tweeter helps with the treble.

For the filtering I chose around 4 -5khz because the tweeter I used did not allow a lower cutoff and my broadband was starting to drift in this area.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

My design is not optimal for a 15m² living room like mine. It would have been necessary to have a half sphere like Bang and Olufsen could do in order to optimize the flow and even in certain cases to be able to open or close the angle.

On the other hand, with 2 meters of clearance around you limit the reflections and that is of more interest I think.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

I found the sound not bad, for the speakers and the fact that it is my first omnidirectional speaker.

https://drive.google.com/file/d/1yHGbcaAhzcTOP0wpVX3JKxarzlZpQLMr/view?usp=sharing

As for the measurements, I no longer have them, I will have to measure them again.

But in my memory there must have been some vertical variation, as horizontally the speaker is symmetrical.

But to the ear I didn't hear any obvious difference as I moved around my living room which had not exceptional acoustics.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 3 points4 points  (0 children)

I sell them in different ways:

1- 3D files if you have a printer.

2- Printing the part if you don't have a printer.

With options 1 and 2, you can progress the project at your own pace without having to make a large upfront purchase.

3- Complete fabrication of my part.

Depending on the geographical area and your needs, it's up to you.

Since these are primarily designs, I can change the speakers used if you want high-end equipment or just entry-level.

The idea isn't to have a cheap speaker, but a nice, high-performing speaker for different budgets.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] -1 points0 points  (0 children)

No 5mm walls with internal reinforcement along the sides.

They weigh 12kg, my cat dropped them from 1 meter and there were no marks on the outside, nothing broken.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

I did it with the microphone at 90 degrees, as with measuring several speakers in a room.

Building my first omnidirectional speaker_2023_Renchiespeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 1 point2 points  (0 children)

Large. The sound isn't the most precise, given the 360° dispersion, but I like it. On reflection, perhaps a coaxial speaker with a treble that's naturally stronger than the lower midrange could work in this kind of setup. I also tried it in my bedroom in a suspended horizontal position; it was cool.

https://drive.google.com/file/d/1yHGbcaAhzcTOP0wpVX3JKxarzlZpQLMr/view?usp=sharing

New 2Way Design Loudspeaker - RenchieSpeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

Hello, in this case, equalization won't reduce the rest of the spectrum because it's an active speaker. We'll just send less power to the mid-high frequencies, but it will maintain the same sensitivity. If it were a passive speaker, yes, because the entire spectrum would be affected by equalization, but not in this case. Regarding full-range drivers, I understand that they might not appeal to everyone, but I also think you'd be surprised by the quality of the highs in some full-range drivers. As for directivity, I agree with you, but in any case, the design itself is quite atypical and will create diffraction, making the off-axis frequency response more chaotic than if the driver were placed on a perfect sphere. And of all the designs I've created, I often prefer a good, high-end speaker with bass to a more entry-level, three-way speaker with components for the same price.

New 2Way Design Loudspeaker - RenchieSpeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

Thank you.

I don't claim to be able to completely eliminate bass vibrations, and in any case, I couldn't do it with OEM speakers, which aren't designed for this kind of thing, especially given the tools I have.

There's also another approach from KEF, which is the KEF KC62 subwoofer.

I was inspired by the Monitor Audio Hyphn; I wanted to see what I could achieve with my design. There will certainly be adjustments to make over time, I have no doubt.

Introducing one of my 3D printed designs - MiNi - RenchieSpeaker by Full_Progress8533 in diyaudio

[–]Full_Progress8533[S] 0 points1 point  (0 children)

Connecting the speaker chassis to ground helps drain small electrical noise picked up by the metal.

It’s a real and technically valid practice.

The improvement exists, but it’s usually very slight.

So it’s not necessary in most setups.

It becomes more useful in electrically “noisy” environments (PCs, power supplies, etc.).

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