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How are the fans working for you? I have the Crown 4 | 1250N but haven’t read about anyone proposing a solution for it.

Have you considered using a DSP based crossover? I’ve used miniDSP products in the past with great success? DSP is the ultimate tool to voice your system according to your liking.

Yes, 1” thick, fiberglass on all surfaces will improve the response a lot.

Orient just means “to place”. I would just lower the microphone so that it is at the height of the lowest part of the...

Excellent work! That has all the makings of looking just like a production version.

I would think you’d want to orient the Mic in the middle between the two drivers. To have it on axis with the...

Just to be clear, my reply is not based on me being a JBL fanboy. Over the past 3 decades, I have owned all sorts of different speakers from many different high-end manufacturers and use that...

I'd like to see the curves when the speaker is placed outside with no reflection barriers anywhere close to the speaker.

I am not a regular reader of the forum but jumped in today to find your thread. I offer you the highest level of encouragement to build a pair of M2s! I bought a pair with the 4-1250N (4x1250WPC)...

Mr Wu,
I 100% agree with Mr Mackenzie's answer to your question. I am so impressed with the combination of the Crown 4x1250n amp and the M2s. And just so you know, I typically listen at about 85dB,...

Mostly from the front even though the fan is in the rear of the amp.

It adds about 3-5dB to the noise floor of my room.

I've figured out a solution. There is a wall in my living room with a...

No need other than that you cannot achieve the peak sound pressure levels of 110dB at the listening seat in my room without >450wpc… If you want to really tap into the potential dynamic range of the...

Well the loading of the files was way easier than I expected especially with this help sheet and file provided by Baldrick. Here is the link to that thread....

Thank you. That was easier than I thought it would be.

Awesome! Thanks you kind Sir!

Not yet. I haven’t had time to sit down quietly and do it but Baldrick sent me what appears to be just the ticket for getting it loaded and playing tunes...

Congrats Dennis! I've always loved the way those look. Never heard 'em but I'll bet they are fabulous.

Just purchased a pair of M2s and a Crown DCi 4x1250. You'd think for the price of this system, they'd load the DSP files for you, but I guess not.

Has anyone got a how to link to share to shorten...

Great question! I just took delivery of my M2s and a DCi 4x1250 and will try to install the files this week. Since your post, have you found an answer to your question? How tricky is it to install...

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Now to figure out how to load the M2 file on the 4x1250......

“No such thing as a preset”? Huh, I’m confused. Attached is the website from jblpro.com. It looks to me like they have a preset. Of course though, this doesn’t preclude the ability or desire to fine...

Yes, of course, you’re undoubtedly right. It isn’t really fair to compare a 30 year old design with a current, state of the art design. I was just saying that the 2245s are still very good for home...

I'd love to listen to the Sub18 next to my 2245s. Of course the Sub18's will play louder, but I'm not sure they would be better for a home environment.
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Good catch. Yes the Network (n) version. Thanks for the clarification.

Thank you to everyone that has contributed to this thread. I’ve placed my order and, thanks to this Forum’s members, I feel confident that I will in one way or another be able to tame the fan noise....

Thank you, Ian, again for your great points. I realized I wasn't very clear about my listening habits. I typically listen at about 85db and rarely reach anything close to an average listening level...

Awesome suggestions! Thank you all for your 2¢.

I had the opportunity to talk to a senior engineer for ATI and he confirmed that Ian offered in that these speakers need large amps, not because...