Help With Compression Driver/Horn Selection

I have been listening to Dynaudio C1's crossed at 250Hz with my low end coming from DIY Woofers with ScanSpeak, 32W/4878T01 Drivers. Sound is clean, detailed and quite amazing..............

However, I am longing for that Live, Horn Dynamic Sound that I am missing in my current setup.

I was thinking of just buying Klipsch Forte or Heresy IV's and get this out of my system, (or stay happy with them), however, what about DIY?

I can use my existing Woofers for the low end and just build the cabinets for the mid and tweeter drivers/horns........

I have been searching a proven receipe and just get more and more confused.

I am thinking to use active X-Overs and discrete amps.

Can a driver/horn guru on here make recommendations for me with respect to what drivers and horns to buy and build?

Thanks for supporting this ride............
 
Hmm, for DIY horns @ 250 - 20 kHz we in theory want one horn to be 125 Hz to sqrt(40000/125) = ~2236 Hz XO + an octave overlap = ~4472 Hz to the tweeter, which will in theory be 2236 Hz - one octave = 1118 - 40 kHz for a balanced ~5.16 octaves* each out of a typical 5 octave limit, so the HF of both horns will in theory be (inaudibly) a bit rolled off.

In theory we want each to 'ring' at its mean = sqrt(125*2236) = ~528.7 Hz Fs; too low for any 1" CDs I'm familiar with, so may/will need at least a 1.4" or even one of the new coax CDs and sqrt(2236*20000) = 6687.3 Hz Fs, which not having any specs and/or 'hands on' experience with true (super) tweeter CDs, no clue if any have an Fs anywhere near this.

In short, nowadays we really need to limit the XO to > 500 Hz to buy ready made mid, HF horns now that prosound manufacturers no longer use simple horns for wide BW apps, so far better to do a forum search for DIYing an 'all in one' prosound DSL Unity/Synergy concept multi-way horn, which will give you the driver lists to buy or at least guide you to find ones locally available/whatever along with all the necessary design/build info for these simple conical expansion WGs.

*
ln(4472/125)/ln(2) = ~5.16 octaves

ln(40000/1118)/ln(2) = ~5.16 octaves
 
Hmm, for DIY horns @ 250 - 20 kHz we in theory want one horn to be 125 Hz to sqrt(40000/125) = ~2236 Hz XO + an octave overlap = ~4472 Hz to the tweeter, which will in theory be 2236 Hz - one octave = 1118 - 40 kHz for a balanced ~5.16 octaves* each out of a typical 5 octave limit, so the HF of both horns will in theory be (inaudibly) a bit rolled off.

In theory we want each to 'ring' at its mean = sqrt(125*2236) = ~528.7 Hz Fs; too low for any 1" CDs I'm familiar with, so may/will need at least a 1.4" or even one of the new coax CDs and sqrt(2236*20000) = 6687.3 Hz Fs, which not having any specs and/or 'hands on' experience with true (super) tweeter CDs, no clue if any have an Fs anywhere near this.

In short, nowadays we really need to limit the XO to > 500 Hz to buy ready made mid, HF horns now that prosound manufacturers no longer use simple horns for wide BW apps, so far better to do a forum search for DIYing an 'all in one' prosound DSL Unity/Synergy concept multi-way horn, which will give you the driver lists to buy or at least guide you to find ones locally available/whatever along with all the necessary design/build info for these simple conical expansion WGs.

*
ln(4472/125)/ln(2) = ~5.16 octaves

ln(40000/1118)/ln(2) = ~5.16 octaves
Good to know. My woofers can be crossed much higher than 250Hz. Below is their response. What would you recommend if they were crossed at or above 500Hz. Thanks!

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