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GR Research NX-3 Tower Speakers
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Author:  Guy [ August 17th, 2026, 12:58 pm ]
Post subject:  GR Research NX-3 Tower Speakers
I built a pair of NX-3 Bravo Towers based on a GR Research kit that provided drivers, crossover parts, internal wire, etc., and cabinet plans. I successfully veneered the cabinet with walnut and am in the process of burning them in.

A detailed thread can be found at the Audio Circle site under the GR Research circle that is titled, "NX-3 Bravo Towers, Standard Build." <https://www.audiocircle.com/index.php?topic=193991.0>

It's an MTM arrangement placed in a slim (8" wide) transmission-line cabinet. Sensitivity is 91dB, Nominal Impedance is 8 Ohm, and the Crossover is 950Hz. The base extends down to 40 Hz.

Attachment:
File comment: A Finished Speaker
PXL_20260713_212756338.MP~2.jpg
PXL_20260713_212756338.MP~2.jpg [ 1.11 MiB | Viewed 212 times ]
Author:  HAL [ August 17th, 2026, 1:16 pm ]
Post subject:  Re: GR Research NX-3 Tower Speakers
The NX-3 towers look great!

I still really like my NX-2's two ways with the external XO.
Author:  FerdinandII [ August 17th, 2026, 2:30 pm ]
Post subject:  Re: GR Research NX-3 Tower Speakers
Dang, those look good and I bet they sound even better.
Transmission lines are a difficult build, you really put some work in on these!
Author:  Cogito [ August 17th, 2026, 4:14 pm ]
Post subject:  Re: GR Research NX-3 Tower Speakers
Nice build. I can never do it. Have 2 left hands. :-)
Author:  Stuart Polansky [ August 19th, 2026, 12:25 pm ]
Post subject:  Re: GR Research NX-3 Tower Speakers
I could only wish for Guy's skill in making beautiful things from wood!

Well done, Mr. Guy!

Can't wait to hear them!

Slick
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