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I found the following method for measuring the low frequency output of a speaker. https://www.audiomatica.com/wp/wp-content/uploads/Testing-Loudspeakers-at-low-Frequencies-with-CLIO.pdf https://audioxpress.com/article/measuring-loudspeaker-low-frequency-response I'm getting lost at this stage...

Barevids has done a very interesting bit of AB testing on a couple of subwoofer amps. Nice to see someone doing testing, the switch he is using is particularly interesting.

What should I look for in a surge protector? I would like to make sure my audio equipment is protected but I'm not sure which brands are reputable and what spec I need, any suggestions? Not looking for anything fancy just want to make sure nothing blows up my kit! Preferably available in the UK...

I have been working on some 3d printed speakers and I was wondering if a port extending out of the speaker would work and how to calculate its effect. I am thinking of making it part of a connected stand.

For those of us who like coaxials these look pretty exciting! Hope they measure well https://darko.audio/2022/11/mofi-electronics-announces-the-andrew-jones-designed-sourcepoint-10/

I have an issue with my room that the bass around 60-80hz is much louder near the floor and ceilings than in the middle of the room. The subs are about 20 inches off the floor. I think if I move the subs to the floor it will move the peaks from the floor and ceilings to the middle of the room...

https://www.amazon.science/blog/the-science-behind-amazons-spatial-audio-processing-technology Interesting post on the Amazon science site about spatial audio. Wonder how well it works in practice?

This looks like an interesting device https://www.engadget.com/apogee-boom-audio-interface-does-dsp-on-the-cheap-170031686.html Anyone used it or anything like it?

I want to start a thread on the use of the Topping DM7 on Linux and specifically Raspberry PI OS, would be great to know if anyone has tested it on these. My system uses a raspberry pi running camilladsp for filters and crossover, I would love to replace the DAC in the system with the DM7 but I...

I was wondering if anyone knows what parts of the configuration are most important to reduce latency on a raspberry pi running camilladsp?

I have a room mode at about 70hz which has peaks in volume when i measure at the floor or at the ceiling. Where is the best place to put an absorber to control this relative to the speaker? My gut feeling is above or below the subwoofer (my sub is on a stand about 30cm above the floor) but i...

Hi All, I am having trouble with long decay times for bass in my listening room, an open plan living room and kitchen. I would like to build some bass traps and tune them to the frequencies where I have the most trouble. I think tube traps would be a good fit but I have struggled to find out...

https://www.monoprice.uk/products/monolith-by-monoprice-thx-aaa-balanced-headphone-amplifier-featuring-thx-aaa-887-technology-eu-uk £250 instead of £370 I have grabbed one! Even got a tenner off for signing up for their news letter.

https://www.whathifi.com/news/chord-company-launches-groundaray-noise-reduction-family-for-your-hi-fi-separates Is there any actual science behind this?

I was just wondering what the measurements taken by a microphone inside a speaker enclosure would look like and how they would compare to those taken from outside like normal. Would it act like an infinite baffle, would it be like the inside of a car? Anything useful to be gained from this...

I am trying to resist the urge to buy a new amplifier if i dont need it. Is there a way to check that bass transients are being produced with out clipping using a umik-1 measuring the output of the connected speakers? Thanks

Thought I would tell you guys about the speaker system I have built over lockdown. Particularly as I have used camilladsp for the crossovers and eq and I didn’t find much about that online outside a thread on diyaudio.com by the amazing author of the software helping people with it and the...

I have been working on some speakers i would like to actively crossover using a 6 channel sound card, I have found that windows 10 does wierd stuff to audio. I was thinking about trying linux instead and i was wondering if there is a particular distro which is good for audio, ie doesnt do...

Hi All, I am currently using wharfedale diamond 9.1's and was wondering what speakers would be a good upgrade. I am particularly curious how much I would need to spend to get a clear improvement in sound quality. There are some measurements at stereophile if it helps...

What equipment do you need to measure the performance of an amp? Also what are the pertinent measurements to make? Many Thanks