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I remember years ago, optical was capped and could t handle hi-red audio. I can’t remember the limit, but I think it couldn’t do 24/192. And now it can. May I ask, that’s great for the input on a DAC, but what about output on say a Blu-ray Disc player, or a DAP? Can they (and do they...

Someone in the new Fosi thread said a new thread would appear to compare models, so here it is. Links to Amir's reviews of the three: Fosi Audio V3 Mono Topping PA5 II Topping PA7 Aiyima A70 Prices are V3 Mono $260 (pair), PA5 II Plus $290, PA7 Plus $550, Aiyima A70 $220. Does the V3 match...

Can anyone tell me how room reflections are calculated with the Klippel? To be specific, the combined effect of reflections will be greatly determined by the distance of the speaker from the listener in relation to the distance of reflecting surfaces. This is going to greater then just a...

If I have an Amazon Fire TV Stick, and use and Amazon Basics HDMI Audio Extractor, fed into a good DAC, is there any reason to believe the sound wouldn’t be as good as PC or WiiM Streamer into the same DAC? Cheers.

My current set up is a desktop affair, with speakers on stands either side of the desk. It’s a work in progress. I don’t know why I’ve not thought about this before, but sat in an office/gaming chair, you’re ears are far higher than if you’re sat on a sofa, or in an armchair. If my sums are...

We’re very used to seeing Amir and Erin’s estimated in-room response trend lines, sloping upwards from right to left, usually stopping at around 100Hz, depending on the speaker. And I believe it’s generally thought to be ‘correct’ if the left hand side is c.5dB higher than the right. But if...

In Ye Olde Dayes, hi-fi by default meant a lounge, or dedicated room. Now it appears that, not only have desktop set ups become ‘a thing’, they’re almost starting to dominate, based on the volume of traffic we see here. There’s a whole world of discussion to be had there. Am I right, or is...

So I hate valve amps (erm...'toob' amps). I don't like their sound. I don't like their performance. I don't like the fact that you have to spend a relative fortune to get a half-decent-sounding one. Now you may disagree with any or all of that, but let's leave that to one side for the...

If I’m in a desk set up, where listening will be at the apex of an equilateral triangle (3 x 60° angles), is there any use to having two/multiple subwoofers, or does this just help with multiple seating/listening locations?

I don’t get it. It would appear that there are universities across the globe with testing facilities. We’ve all seen academic papers posted here measuring the limits of human hearing, etc., etc. One has to ask, what are they doing the rest of the time? As an example, how long would it take to...

If your amp only has one sub out, and you can’t daisy chain as your subs don’t have an out, is it fine to use an RCA splitter?

Okay, I'm not talking about cable ties, once the cables are away and hidden behind the furniture. I'm talking about the run from (for example) the back of your amp to the back of the shelf it's on. Like this: Don't they look nice! Any idea how to get them tidy, equally spaced, no kinks...

I've been meaning to post on this for quite a while. The only (very brief) discussion I can see on it is in the thread on @amirm's review of the Behringer A500. Ripe for discussion at a forum like this. https://www.matrixhifi.com/ENG_contenedor_ppec.htm

Before we go any further, I'm not saying these speaker stands are snake oil (I quite like the look of them), or that filled speakers with sand, etc., is snake oil (I suspect it's a good idea). But the technique used in this video is 100% definitely snake oil, and a very deliberate attempt to...

So let’s take a pair of So the Diamonds have a dip at 2khz, the Revels a bump at 100hz. Okay, so fairly easy to EQ those errors out. But how does that fit in with room EQ? Will automatic room EQ correct those? Will it presume the speaker is flat, and presume the errors are caused by the room?

If I know the exact dimensions of a room and my exact seating position (this is for solo listening in a single chair, not along a sofa, or a number of rows), is it easy to calculate the best (perfect?) subwoofer placement?

I might have this wrong, but I suspect most of us, or at least a significant minority have (or aspire to): - A great DAC (they’re so cheap!) - A great amp (these new desktop ones like the Toppings and Fosi Audios are superb…and so cheap!) - A good pair of speakers, more often than not...

As I often note, whilst I've learned a lot over the past few years, I'm still learning in all areas; some more than others. So my question may reveal the limitations of my knowledge, misunderstandings, etc. Please be kind, and correct me gently. I have one purpose for the post, but several...

Just a thought. The WiiM Mini has a 4 band PEQ and a digital out. The Pro, Pro Plus and Amp all have digital ins and 4 band PEQ. I’m sure there must be members out there who bought a mini, then bought a Pro when it appeared, and/or Pro Plus, and/or Amp, and do have a Mini and one of the others...

I might be barking up the wrong tree, but I’ll give it a go. I’d like a subwoofer, where you output stereo RCAs from your pre-amp/DAC/whatever, then the sub’s crossover does its job and strips out the sub bass, then outputs over stereo RCAs to your amp. The idea being that it removes the need...