8BX. Coaxial. 8BX. ○. Considerable power handling: w AES (low frequencies) and 20 w AES (high frequencies). ○. Combination of a 8″ bass loudspeaker. I used years ago the predecessor of the 8bx (which had a paper cone) in a closed box (around 20l) with good results. It had strong bass output. Hi belin, Thanks for information. I’m looking forward to see measurements and crossover scheme. BTW I have some crossover scheme from.

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Jan 19, at 1: Aug 12, Messages: Hi So I’ve managed to procure the following driver If it works then I will build the other surround speaker and possibly 6 more to use as back surrounds and 4 Atmos on ceiling speakers.

I have a pending order with Gordy anyway for 3 more sub enclosures so adding a test box onto it shouldn’t be too hard. I’ve also ordered this crossover to try with it as it was cheap Then make measurements and do some listening. I understand the driver is mm deep so I was planning on leave 10mm behind the magnet and have a box roughly mm deep if made from 18mm MDF. It will be inset into a 75mm stud wall. Behma of the box can be anything upto mm and the height can be anything!

Beyma 8BX/N 8″ Coaxial Build

I can’t find any recommended sealed box sizes but I want extension to around 70Hz with the MLP being 1. I’m going to try and get a Windows setup so I can run WinISD but does anyone roughly what sort of size enclosure is recommended? Is 10mm enough gap behind the magnet? I don’t think it has a vented pole piece. Tinkering with software is more my thing I’d imagine.

With that in mind is something like the minidsp pwr-ice capable of driving these drivers? And then get a minidsp 2×4 or 10×10 to implement the xo and eq.


Is there much improvement in a linear phase system over a minimum phase system? Or are the gains not worth what seems an increased workload and cost? Jan 19, at 4: Nov 14, Messages: Jan 19, at 7: Jan 19, at 8: This seems similar perhaps I wasn’t sure what other decent cost effective methods there are. Amps like the Nak AVP1 seem overkill for the woofer and I’d ultimately need 8 channels for all bey,a speaker geyma.


I know the tweeter only ‘needs’ around 20w but what options are there for w amps for the woofer and 20w for the tweeter? Jan 20, at 8: Oh ok, because with a higher powered amp the noise floor is usually higher too? But amps like the minidsp pwr and the hypex are designed for two way 8bz aren’t they so I thought it would’ve been ideal.

Or is it more because of the higher efficiency of using a CD?

Beyma 8BX/N 8″ 8 Ohm Coaxial driver

Jameskatie I think you were planning to go active, what amps were you planning on using with these drivers? Jan 20, at Right, going active isn’t as simple as plugging in a few wires and bashing away at the keyboard then I guess!

I can start to see more why you went passive now! Wiring isn’t as issue for me as I can easily get new cables to anywhere in my room but I’m struggling to find decent well priced easy to use suitable amplification for active.

B8x think crossover design with the minidsp looks like something I can pick up with some effort but I’m finding it tough to find info on active speaker amplification. Jan 20, at 3: Yep it was the trial and error method to learning, that seems more workable with active, that appeals to me. Like for example I imagine your work with crossovers in acourate for your sub helped develop your learning and was useful when building your passive crossovers in some ways.


I imagine trying to learn the other way round would be somewhat more challenging b8x perhaps costly in wasted components!

I think reading around the subject helps but hands on learning and seeing and shaping the outcome is more effective. It does seem like I’m going to be listening to sweeps more than I listen to films or music though! Like x 1 List. Jan 22, at Paul SmithJan 22, Apr 15, Messages: Bryma 9, at So an unusual sized test box has been ordered. It measures 83 h x 35 w x 14cm d. The first box unfortunately came with a driver cut out which beyms too beyms so a replacement is being made currently.

I have realised that perhaps I’m going to get the box maker to line it first as I can’t really get inside the box to put some damping in as its too shallow to fit my arm inside!

Jun 10, at 5: LeomJun 10, Feb 27, Messages: Hello sims, just wondering how 8bxx are going re the Beyma build. Jul 8, at 9: Hey Leom, I’m afraid they haven’t been going! I got a box built and have all the parts but life has got in the way!

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