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Allan, I'm very much impressed with your latest approach. In the past, you put a lot of value on rule-of-thumb and generalised knowledge of the audiophile dignitaries. Not that they are wrong, or that it was wrong to do so, but it is a major leap to go from using established practice/general...

Allan, what happened to your SPL scale? The first set of measurements seemed to have absolute (or close to absolute) figures. I would expect the UMIK-1 to give absolute SPL but, in the even that it doesn't, you should still be able to set it up in REW with the help of your SPL meter. (As an...

I fully agree. It is a pity that many audiophiles are averse to audio measurement. Some are even measurement un-believers. However, I feel that what has been missing until recently is the link between measurement and subjective perception. Enter one of my favourite YouTube channels: Erin's...

...and I'd like to iterate copy-post this: I don't know if my fellow Cape Town HiFi Club members have picked this up, but our regular meeting venue - Andrew's Place - presents a challenge: it is a deceptively large volumetric space. And many a speaker has topped out there. Otherwise nice...

This is what I meant.

You could simply replace the RCAs. A repair is another option if the current RCAs are not molded.

A profound loss to our community. Condolences to those close to him. Will cherish the private convos. He was one of the good ones.

Thanks. Some time ago a forum upgrade caused all the threads to be renamed. Many links got broken. But too many to try and fix.

I have seen multiple results for the same song come up. I suspect that each instance of the song comes from a different source. Presumably, this means that they come from different albums or different editions of the same album. There's the "Remastered" phenomenon that could mean anything, but...

There's no rule that says if you agree with a post you have to say so! 😉

Andrew's speakers have good dynamic range. I have yet to hear them overload.

Sorry I couldn't join you. Looks like you had an interesting choice of speakers, too.

I like your thread! I'm also Tommy Li Puma curious.

Trying to get your system to sound like live music is so passé. The new nirvana is "better than live". Got a taste of it on those Avantgardes. But I'm not sure I could live with it. Might be what I imagine being married to Ana de Armas would be like (you can stop looking cute now, dear).

Close-up of Z-axis.

I replaced the belt drive on the X axis with a ball screw and NEMA 23 motor. All axes use NEMA 23 motors. I made my own Z axis. Involved getting custom plates laser-cut and the interesting challenge of cutting hardened steel rails and ball screw. The rails and ball screw are case-hardened. I had...

This is the machine from which the X and Y movements come (internet pic). The Kornit Breeze

An update: I'm between 1 and 2 months away from getting my machine up and running. This is my progress so far: 1. Controller DDCS4 V3.1 2. 1.5kW ER11 spindle 3. X, Y, Z axes assembled separately and have movement To do: 1. Clean up Y-axis assembly 2. Improve limit sensor reliability 3...

No, it was a different implementation from that. I never heard the "swarm". Unfortunately, I did not ask for more details, and I was really speculating (above) about how such an arrangement should work. However, he did tell me that it was not acting as a conventional sub, but effectively doing a...

In one iteration of the late Rodney Gold's system development he used the subwoofers to correct the main system's bass response. To my understanding this would entail applying constructive/destructive correction by applying a conjugate filter to the subs (presumably, with arbitrary equalisation...