![]() ![]() Finish on these was a challenge as roundover radius (purely cosmetic in this case) is 12.7mm only but I found a way to bend veneer without cracking it by putting a few strips of paper tape on the outer side where the bend is. It is driven by a Monacor SAM-300D (rebranded chinese amp, Madisound sells them under the Yung brand). Here`s the sub, Monacor SPH-300CTC in a heavily braced 52l ported enclosure with downfiring ports (3 of them) tuned to 26Hz. I don`t like to comment on sound as this is very subjective but the owner likes them. The guy wanted them asap but will hand me over one to complete the off-axis and impedance measurements in a more digestable format, I hope at the beginning of next year. They can actually do without a sub but if in a corner, otherwise sound a bit thin. ![]() The carbon-fibre cone has a light resonanse but is really annoying on-axis hence the additional network to address it. The dip at 1.4Khz I suspect as suspension related as it is present on Monacor`s own measurements. Measured sensitivity at 2.83V was 92.1db +/- 0.3db accuracy in the 100Hz-14khz band. Crossover (measured) is at around 2.05Khz LR2 with both drivers connected with normal polarity. The measurements include gated and a 12db smoothed in room response (my room, not the recipients) about 1.4m away from any walls. The overall tunning is set for corner placement as there they went and to be used with a subwoofer (I`ll post a photo of it too). Enclosure is around 13l effective volume with port tunning at 48Hz. Minimum impedance is 4R44 at 183Hz with phase at 9.03 degrees. But for now, at least this might do something in between. Here are some of the measurements but I wll post the real project sometime in January (I hope time will allow) with full set of measurements and data. ![]()
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