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Bohlender Graebener in-ceiling

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Posted on May 25, 2015 at 11:37:28
methylmarty
Audiophile

Posts: 180
Location: NJ
Joined: August 3, 2012
Just picked up four Bohlender Graebener BGW6N in-ceiling speakers to use in a Dolby Atmos / DTS:X home theater setup. My other speakers are as follows:
Mains: Magnepan Tympani IVa
Center: Magnepan CC2 / DWM
Side Surrounds: Magnepan MMG
Rear Surrounds: Magnepan MMG
Stereo Subs: Jamo C80sub

I "needed" to match the true ribbon and QR timbre, and Magnepan will most likely never make an in-ceiling speaker. So the obvious choice is BG. I don't have an Atmos preamp yet, but I'm in the middle of renovating the first floor of my house so it doesn't matter anyway.

The BGW6N is not the newest model, but it is not the bottom-line one either. It's got the neo3 tweeter and kevlar woofer that the highest offering has, but has the smaller 6.5" woofer. I have enough crap in the ceiling and on the walls to have to hear my wife complain about another four 10" holes.

So until I finish the reno I have them placed on "stands" in my work area without enclosures and I have been listening to them like that. I am happy to report that even without enclosures (being in-ceiling they require ceilings or a similar enclosure for boundary-gain) they are by far the best compact architectural speakers I have heard. The Neo3 tweeters do a great job matching my Maggies' QR tweeters. (How they interact with the true ribbon is yet to be seen, as my Tympani are in hiding until I am done with the reno.) They are also MUCH easier to drive than my Maggies, so while I am using Sunfire Signature amplification for the Maggies, I can probably get away with a less powerful amp or even receiver power to fuel them.

The tweeters have excellent lateral dispersion, but as anticipated they roll off when not at ear level, which will make them difficult to place in ceiling. Luckily the tweeters pivot, so maybe that will help a little. The bass is slightly anemic, not surprising given they are 6.5" and currently operating open baffle with no boundary gain. However, the bass they do produce is of very high quality and I assume will be sufficient for my needs as Atmos speakers.

Anyway, I am not trying to do a full review here as I am obviously misusing them, but hey, I got new toys and was excited to try them out. I will post updates when they are installed. For the time being, has anyone else had experience with in-ceiling ribbons and would like to share?

 

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RE: Bohlender Graebener in-ceiling, posted on May 25, 2015 at 12:30:22
Satie
Audiophile

Posts: 5426
Joined: July 6, 2002
So the 6.5" woofer is getting to play as a dipole? That may be what you are liking so much about the speaker, that and the fab Neo3 that is.

Obviously it would not be a dipole when mounted into the ceiling.

 

RE: Bohlender Graebener in-ceiling, posted on May 25, 2015 at 18:31:53
methylmarty
Audiophile

Posts: 180
Location: NJ
Joined: August 3, 2012
Satie,

If anything, playing the speaker as a dipole is a sort of double-edged sword. Yes, the dipole configuration adds a bit of depth, but only on the bass since the tweeter is no dipole. And as anticipated the bass is a bit anemic this way, although still better than most other in-ceilings I have tested due to the kevlar woofer instead of the colored-sounding polypropelene or the like. I suspect using them in ceiling will provide boundary gain for the bass.

I love these primarily for the Neo3s, with which you are more familiar than most I am sure. I can't wait to (have the funds to) try your Neo8 mod in my Tympani.

 

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