DIY version of CS2.3- speakers choose

[Yotomeczek]

I'm going to build OB similar to Emerald Physics CS2.3 MK2.

An externally hosted image should be here but it was not working when we last tested it.

I want to power it with one amplifier - so I have to use passive crossover. I know that active crossover with DSP is the way to better result, but it's too complicated and I'm afraid if my GF can manage it 🙂
I like construction of Emerald Physics CS2.3 - point source (because of coaxial 12" driver) and kind of slot loaded open baffle.

What speaker is good for this construction (must be avaliable in Europe)?
Choice of high efficienty coaxials (I'm thinking od 10-15") is narrow:
- EminenceBeta CX 12 (cheap but good with better CD)
- Beyma 12XC30
- Beyma 12 CX
- B&C 12CXT
- P AUDIO BM12CXA (a bit overpriced in Europe)
- Beyma 15KX (a bit expensive,especially if CD would be changed)
- Beyma 15XA38Nd (a bit expensive,especially if CD would be changed)
- Beyma 15CXA400Fe (a bit expensive,especially if CD would be changed)
- Beyma 15CXA400Nd (a bit expensive,especially if CD would be changed)

- P AUDIO BM15CXA (a bit overpriced in Europe)
What diameter is better to use? I want crossover point about 0,9-1,2 kHz. What CD to use? Can Beyma CP-380 be fitted? This is driver with high quality sound.
What woofers do you recomend 15-18"? I think STX.18.4.1200.8 could be not bad choice (good Qts and good Xmax):

Second option is Eminence Beta 15 (but this woofer can move much less air)

 

[backagain]

I think EP use the eminence cx12 with a selenium CD and a pair of Alpha 15s below, or maybe custom versions of the same. Crossovers around 900 and 150 (*I think*). They are active but the new Trilogy speakers (similar, same designer) seem to be passive, so it should be possible.

 

[båndsei]

Here is a tread about a clone of Emerald Physics :"Yield" Open-Baffle

Bernt

 

[Yotomeczek]

Thanks for link and crossover points...