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For this listening position you are right: I could probably get away with DSP. Unfortunately, I have a few other listening positions with holes in the frequency response, and I need subs to fill in there.

I assume you were referring to my plot above? Actually, yes it's that bad! One speaker is smack in the corner, because it's my living room, and I suffer from constraints. The big peak at 45 Hz is probably two coinciding modes. It's a bit hard to tell, because I have an L-shaped living room, and...

FWIW, I can offer two REW sweeps measured at my main listening position. The blue (PMC, L+R) is the L+R curve of my previous speakers, PMC twenty5.24i (no comments, please :-)). The magenta (MA, L+R) is the L+R curve of my Sointuva AWGs. First of all, disregard everything below 200 Hz! I have...

I guess the weight will vary depending on the type of wood in the cabinet. I just weighed one of my speakers on my bathroom scale. The number I got was 10.7 kg.

According to Spinorama.org it’s 6.6 kg. Strangely enough, it doesn’t seem to be listed anywhere else.

First of all they look great - I have the Tasmanian Blackwood finish. I haven’t had the time to sit down and listen properly yet, but first impressions are really good.

I recently received a pair of Sointuva AWGs. They were shipped from March Audio 9-10 weeks after I placed the order (depending on how you count). Alan was a bit slow in answering my e-mails, but I got replies in the end. He stated late deliveries of a batch of Purifi drivers and delays from the...

Count me in, if it comes to that. Hats off to Amir for taking this initiative!

Yes, could be something like that. I will start the rounds with unravelling this with NAD support, etc., but thought I’d start here. If anyone should have experience with IR repeaters, please share!

Did anyone try the IR IN input on the back of the M33 or other NAD units? I just bought a Russound IR repeater (similar to a Xantech, I believe), but I can’t get it to work. I tried to connect with both mono and stereo mini jack cables (3.5 mm). Here is a link to the repeater I’m talking about.

Isn't it less, like the thread starter says? The way I read the equal-loudness contours is that a signal at 100 Hz with 70 dB SPL will sound equally loud as a 1000 Hz signal at 50 dB SPL (roughly). Is this interpretation wrong?

It’s on sale in Norway on Hifiklubben: https://www.hifiklubben.no/nad-m66-forforsterker/nadm66si/ The price is 65.000 NOK (about EUR 5700). Quoted time of delivery is 28 May.

The M66 is live now: https://nadelectronics.com/product/m66-bluos-streaming-dac-preamplifier/

What is the Klippel NFS (Near Field Scanner)?

What is the Schroeder frequency? What is a Spinorama? How do you compute the Olive score for loudspeakers from a Spinorama?

- Which smoothing and other settings should I use for showing plots in REW?

Interesting thread! I have been thinking about filling in dips in the frequency response. I agree that this is something one should usually avoid. However, I speculate that this could work under some specific conditions: The null must be caused by the positioning of the speaker or sub - as...

OK, thanks.

The file server at Dirac seems to be down (with changelogs and user guides). I have been trying to connect for several days now. Is it just me? @Flak do you know anything about this?

Yes, this works! Only difference is I used «copy» instead of «punch throuh». Thanks again, @pogo!