![]() ![]() ![]() Hey, check this out, I not only know the cat that got Piezos into Hi-Fi (his EE thesis), but I have his S/C433 that took him all the way through college. The 1005s seem to have about 90 degree sweep, where as the 621 has about a 130 degreeĬlick to expand.Thank you Sir, because I'm dredging it up again since I'm working on these DQ10s with the Motorola Piezos. Noticed they are not as sensitive as the 1005s but have a wider sweet spot. they are in a dual set up, side by side in one package.Ī 3 1/2 x 5 inch rectangle (I'll have to try to get a pic) They set flat about 5/8 inch thick, no need for a hole except for the leads. I think I've found what I want in a ported box.Īlso I have another speaker set, strictly home use, that has strange Motorola 621s. (tired of the weight of non ported)snares and the rest of the drums are right on the money. recorded guitars sound excellent.īass is clear,strong and not muddy even in a ported box. The mids come in a little light but this seems to match well for a slight gap between the motorolas and the Eminences. The crossover shows -3db 0 +3db positions. The crossovers have adjustable attenuation.Ĥohmn 10ohm and 20ohm thru a switch to the tweeters. I have to say this with these and a set of 6 inch mids and caps at 2.6uf for the tweeters and 36uf at the mids these are about the most effecient I have use in a long time the 15As are rated at 97db the mids at 95. Recently however I bought a set of Eminence Beta 15As. I've been using 1005s in several different speakers.
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