The Ultra can make your speakers sound much better because….

[Musician]

This is the biggest reason to buy an Ultra instead of other streamers , the soundquality gain will be huge !

Everyone who uses the ultra together with ported main speakers and dont have a subwoofer - you can still benefit using the 24/dB oct subwoofer filtering. Because this setting is also a 24dB/oct highpass filter for your main speakers.

Below tuning frequency in a ported loudspeaker, theres only distortion and uncontrolled cone movements. At the tuningfrequency of the port, and one octave above it, the port makes some air backpressure to the driver making the speaker play much louder with less distortion than a closed box speaker. The back pressure of the port makes the cone stand almost still. If its done right, that is…..

This is how you do it :

1. You must know the tuning frequency of your loudspeakers port.

2. If the tuning frequency is 35 Hz , use the subwoofer crossover in the subwoofer meny. Put it at 35 Hz.

3. Your bass signal will now be down 24 dB electrically at 17,5 Hz , ( even more acoustically ) making your speakers max spl much higher in the bass area above 35 Hz, and the distortion goes down radically.

4. This technique, combined with another PEQ techniques can be used to make the bass response much cleaner.

Other tricks:

5. Dsp magic for ported speakers https://forum.wiimhome.com/threads/...hz-in-the-bass-without-severe-drawbacks.3494/

6. Baffle step correction using PEQ : https://forum.wiimhome.com/threads/...baffle-step-correction-for-your-speaker.3646/

 

[Wiimer]

Is this the same content that @canard quoted here?

nice ideas to dig into

Post in thread 'WiiM Amp Streaming Amplifier Review' https://audiosciencereview.com/forum/index.php?threads/wiim-amp-streaming-amplifier-review.52372/post-2098144 can concern a lot of people ....

forum.wiimhome.com

 

[Musician]

Is this the same content that @canard quoted here?

nice ideas to dig into

Post in thread 'WiiM Amp Streaming Amplifier Review' https://audiosciencereview.com/forum/index.php?threads/wiim-amp-streaming-amplifier-review.52372/post-2098144 can concern a lot of people ....

forum.wiimhome.com

Yes , the same as Staticv3 wrote.
This can be done with the WiiM amplifier to.

 

[pjorgenunes]

Tried that yesterday but come up to a deadlock...

I have a USB DAC connecte to WiiM Ultra.

One thing is for sure, the subwoofer setting on Ultra has no effect on USB DAC output... I thought, like EQ settings, WiiM would apply to USB DAC the effect of SUB settings in Ultra, e.g., if I have:
SUB = ON
FREQ = 80Hz
And no Bypass to main speakers

The USB Output to DAC would reflect that and have audio on USB DAC with the settings.

But it doesn't

 

[Burnside]

Tried that yesterday but come up to a deadlock...

I have a USB DAC connecte to WiiM Ultra.

One thing is for sure, the subwoofer setting on Ultra has no effect on USB DAC output... I thought, like EQ settings, WiiM would apply to USB DAC the effect of SUB settings in Ultra, e.g., if I have:
SUB = ON
FREQ = 80Hz
And no Bypass to main speakers

The USB Output to DAC would reflect that and have audio on USB DAC with the settings.

But it doesn't

It’s fairly well known that the sub option doesn’t currently work with USB output, but it’s in Wiim’s roadmap to enable it.

 

[canard]

maybe just to assess the possible interest-impact for you.. simply use the internal dac etc... ;-)

 

[pjorgenunes]

It’s fairly well known that the sub option doesn’t currently work with USB output, but it’s in Wiim’s roadmap to enable it.

In my case, since I don't have a SUB, would be enough to apply the filtering (like it does with the EQ settings) to it.

Nice to know it is on roadmap. For people having SUB + USB DAC it has to be a must have feature

 

[pjorgenunes]

maybe just to assess the possible interest-impact for you.. simply use the internal dac etc... ;-)

Yes, great suggestion to check it. If it has a great impact I would be eagger to WiiM to implement it also on USB

 

[Musician]

Tried that yesterday but come up to a deadlock...

I have a USB DAC connecte to WiiM Ultra.

One thing is for sure, the subwoofer setting on Ultra has no effect on USB DAC output... I thought, like EQ settings, WiiM would apply to USB DAC the effect of SUB settings in Ultra, e.g., if I have:
SUB = ON
FREQ = 80Hz
And no Bypass to main speakers

The USB Output to DAC would reflect that and have audio on USB DAC with the settings.

But it doesn't

You can still use the PEQ function to make the bass better in a ported speaker :

https://audioxpress.com/files/attachment/2721

 

[pjorgenunes]

You can still use the PEQ function to make the bass better in a ported speaker :

https://audioxpress.com/files/attachment/2721

Very, very interesting article. Thank you very much.

 

[Joseespona]

I was so eager to test it. But my speakers are too weird for that. They are ported but triangular and with a dedicated woofer for lows (not a subwoofer but soething in between) and I cant get any measurements that are reliable enough to apply it since I dont have the gear or find it online

 

[Joseespona]

how would you apply your theory to this? Ported on top sealed in the bottom

 

[doggone]

This is the biggest reason to buy an Ultra instead of other streamers , the soundquality gain will be huge !

Everyone who uses the ultra together with ported main speakers and dont have a subwoofer - you can still benefit using the 24/dB oct subwoofer filtering. Because this setting is also a 24dB/oct highpass filter for your main speakers.

Below tuning frequency in a ported loudspeaker, theres only distortion and uncontrolled cone movements. At the tuningfrequency of the port, and one octave above it, the port makes some air backpressure to the driver making the speaker play much louder with less distortion than a closed box speaker. The back pressure of the port makes the cone stand almost still. If its done right, that is…..

This is how you do it :

1. You must know the tuning frequency of your loudspeakers port.

2. If the tuning frequency is 35 Hz , use the subwoofer crossover in the subwoofer meny. Put it at 35 Hz.

3. Your bass signal will now be down 24 dB electrically at 17,5 Hz , ( even more acoustically ) making your speakers max spl much higher in the bass area above 35 Hz, and the distortion goes down radically.

4. This technique, combined with another PEQ techniques can be used to make the bass response much cleaner.

Other tricks:

5. Dsp magic for ported speakers https://forum.wiimhome.com/threads/...hz-in-the-bass-without-severe-drawbacks.3494/

6. Baffle step correction using PEQ : https://forum.wiimhome.com/threads/...baffle-step-correction-for-your-speaker.3646/

Hi Musician My first time on forum . I will be buying a Wiim Ultra and a subwoofer soon and I was looking for some advice . With the Ultra , can I cut the bass on my main ( ported ) speakers which , due to placement , the bass can boom on some recordings . At present, I cut the bass using the EQ on my Wiim Pro . I'm hoping with the Ultra I can set the x-over on the speakers to cut the boom , and set the sub to take over . I hope this makes sense. Can I do this with the Ultra ? . I've never used a subwoofer before and I hope I'll be able to set it up properly, all advice welcome . Thanks

 

[Musician]

Hi Musician My first time on forum . I will be buying a Wiim Ultra and a subwoofer soon and I was looking for some advice . With the Ultra , can I cut the bass on my main ( ported ) speakers which , due to placement , the bass can boom on some recordings . At present, I cut the bass using the EQ on my Wiim Pro . I'm hoping with the Ultra I can set the x-over on the speakers to cut the boom , and set the sub to take over . I hope this makes sense. Can I do this with the Ultra ? . I've never used a subwoofer before and I hope I'll be able to set it up properly, all advice welcome . Thanks

Yes, you can use highpass filtering as low as 30 Hz for your main speakers in the subwoofer meny.

You can also combine this with PEQ

 

[harkpabst]

Yes, you can use highpass filtering as low as 30 Hz for your main speakers in the subwoofer meny.

Or as high as 250 Hz.

@doggone, as of now there is one single slider defining the high pass filter for the main speakers and the low pass filter for the subwoofer at the same time. Filtering is done symmetrically with each filter being 4th order Linkwitz-Riley (slope of 24 dB per octave).

Additionally, there are options to disable either the low pass (Subwoofer Bypass Mode) or the high pass (Main Speakers Output Bass). The latter is exactly what you do not want.

By default both options are disabled, which is the best option in most cases, but at least there are options for special cases.

 

[doggone]

Or as high as 250 Hz.

@doggone, as of now there is one single slider defining the high pass filter for the main speakers and the low pass filter for the subwoofer at the same time. Filtering is done symmetrically with each filter being 4th order Linkwitz-Riley (slope of 24 dB per octave).

Additionally, there are options to disable either the low pass (Subwoofer Bypass Mode) or the high pass (Main Speakers Output Bass). The latter is exactly what you do not want.

By default both options are disabled, which is the best option in most cases, but at least there are options for special cases.

Forgive my ignorance but in layman's terms the slider control determines where the where the bass output on the main speakers stops and the subwoofer takes over ?

 

[Marcus44]

You’re absolutely right the Ultra is an awesome choice The sound quality really makes a difference especially with well-tuned speakers.Using the subwoofer filter in that setup is a smart move to minimize distortion.etting the crossover to the tuning frequency will let the speakers perform better also, don’t forget to check how your speakers react to different EQ settings.sometimes small tweaks can really enhance the sound!

 

[harkpabst]

Forgive my ignorance but in layman's terms the slider control determines where the where the bass output on the main speakers stops and the subwoofer takes over ?

Yes. It's just that the stop isn't instantaneous in a real world, so there is a range of overlapping around the crossover frequency.

Right at the crossover frequency mains and sub both contribute exactly the same to the bass output. At half (or double) the frequency it's pretty much just the sub (or just the mains).

 

[doggone]

Yes. It's just that the stop isn't instantaneous in a real world, so there is a range of overlapping around the crossover frequency.

Right at the crossover frequency mains and sub both contribute exactly the same to the bass output. At half (or double) the frequency it's pretty much just the sub (or just the mains).

Okay thanks