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Low Earth Orbit
DIY Audio
Double 15” and Horn Drum Fill
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<blockquote data-quote="Joris Wijgerde" data-source="post: 213707" data-attributes="member: 13728"><p>So I went ahead and ordered myself 8 PD.158 woofers and oh my do they sound lovely. The respone and clarity in the midrange is really good for a 15, and they need little to no EQ to match the DCX (only some taming around 300-350Hz). The lower end of their band (90-120Hz) sounds clean and punchy.</p><p></p><p>I also ordered me some passive crossovers designed specifically for the DCX464 by Convair Electronics (through Blue Aran) and I was very pleasantly surprised. The FR with the passive XO is a great starting point (had to reduce some of the 1-2kHz midrange with a low Q filter and flip the polarity of the Hi membrane) and saves me an extra amp channel.</p><p></p><p>One quick side note: the dimensions of the cabinet were originally meant for the BMS 2236 horn. I think I could still lower the height a couple cm and reduce the width by ~2cm; however I don't think I will at this point as this means I would have to redo the baffles. I hope I won't regret this once I try splaying them horizontally.</p><p></p><p>If anyone's interested I can post some measurements without EQ, just to give an idea of the actual performance.</p><p></p><p>[ATTACH]209116[/ATTACH]</p></blockquote><p></p>
[QUOTE="Joris Wijgerde, post: 213707, member: 13728"] So I went ahead and ordered myself 8 PD.158 woofers and oh my do they sound lovely. The respone and clarity in the midrange is really good for a 15, and they need little to no EQ to match the DCX (only some taming around 300-350Hz). The lower end of their band (90-120Hz) sounds clean and punchy. I also ordered me some passive crossovers designed specifically for the DCX464 by Convair Electronics (through Blue Aran) and I was very pleasantly surprised. The FR with the passive XO is a great starting point (had to reduce some of the 1-2kHz midrange with a low Q filter and flip the polarity of the Hi membrane) and saves me an extra amp channel. One quick side note: the dimensions of the cabinet were originally meant for the BMS 2236 horn. I think I could still lower the height a couple cm and reduce the width by ~2cm; however I don't think I will at this point as this means I would have to redo the baffles. I hope I won't regret this once I try splaying them horizontally. If anyone's interested I can post some measurements without EQ, just to give an idea of the actual performance. [ATTACH alt="89608813_2501199806761088_6430125255443873792_o.jpg"]209116[/ATTACH] [/QUOTE]
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Double 15” and Horn Drum Fill
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