Philharmonic BMR Review

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#8
ScottG said:
Yup, it's a smallish stand monitor striving for bass extension with an inefficient midbass driver: it's going to have poor sensitivity.


Here is the BMR on a full-sized test-baffle (so you can guess at what the problem is with the horizontal off-axis pressure loss 900-2kHz):

Tectonic TEBM46C20N-4B | HiFiCompass
Click to expand...

When I first tested the speaker I assumed the BMR was the loss-leader. But, yes, when I looked at the Scan woofer I realized it, too, is a contributor. I tested one of the other BMR speakers (2.5 inch, IIRC) some years ago and was really impressed with its response but the sensitivity was somewhere in the upper-70's which killed any notion of me ever using it for anything.
 
#9
poseidonsvoice said:
Erin,

Excellent review! Any chance showing us measurements of the compression amplitude at a 3M distance?

Thanks,
Anand.
Click to expand...


Unfortunately, no. I would have to physically re-measure at that distance and then I run in to room issues with the particular module I used to provide the data you're referencing.

BUT, I actually updated my review last night to include Maximum SPL using Klippel's MTON & ISC module. MTON being multitone distortion/compression testing.

With the ISC module I am able to create and then apply room correction for my MTON testing. It's pretty freaking slick. I do this testing at 1 meter.

Not sure if that helps but it does give you some real numbers measured in the "farfield" (depending on what metric you use to define that transition).
 
#10
ScottG said:
oh, and as a "plug" for Erin (bikinpunk), here is his Youtube website:

(..if enough people watch his videos, he might start making at least something to help with that huge expenditure for the Klippel system.)

Erin's Audio Corner
- YouTube
Click to expand...

Thanks for the support.

Unfortunately, to get paid via YouTube it takes millions of views. I think I read somewhere that you get 2 cents per view. Aside from that, YouTube requires 1k+ subscribers (I have about 940) and 4k+ hours watched (I have about 1500) before they run ads. But, maybe in 5 years I can make enough off monetization that I can buy a cheeseburger.

That is why I have a link for donations on my site. That's the only way I can help fund some of this stuff. Even when people send me their speakers, I still sometimes have to come out of pocket to pay for shipping. For example, today I am expecting a set of Bose Series V's. One-way shipping was $115. So it's gonna be about $230 round trip. I've got $60 in my PayPal right now so I'm a bit behind.

Honestly, I just hope that with enough YouTube views that it will be easier for people/companies to be willing to send me stuff to test (not to keep... but hey, if Mcintosh one day wants to send me one of their amps and lets me keep it, I won't complain. LOL). The downside is that after I completed my review of the Jamo S807 and trashed it, no company may ever want to send me anything again.
 
#14
bikinpunk said:
Thanks for the support.

Unfortunately, to get paid via YouTube it takes millions of views.
Click to expand...

It takes a polarizing video or two with the right caption to really start getting lots of views (and with it subscribers).

SoundBlab
- YouTube

HexiBase
- YouTube

Kirby Meets Audio
- YouTube


Note which projects really "reel them in". 😉 ..it really is like fishing. 😀


Shown low-cost dollar amounts (..like $40) in the title or "Worlds BEST" tends to work well. Also, stuff that's socially "en-vogue".. like a Kickerstarter campaign that did really well reasonably soon after it's available like "..The Little British Monitor".

(sure.. it's click-bait, but it needs to be at first ..and on occasion thereafter.)
 
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