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Car Audio Equipment
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The most budget set up ever
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<blockquote data-quote="Cliff459" data-source="post: 8259539" data-attributes="member: 660957"><p>My two cents here as a guy who has messed with speaker design as "Professional" (ie - Paid Gig) and hobby for more than twenty years now:</p><p></p><p>Given the Qts values for all three of your choices, I will guess that every one of them will disappoint you as midbass units without some kind of enclosure behind them. All of the Thiele-Small parameters suggest that these drivers are much better suited to enclosures, and not the "Free Air" type of loading they will experience in a car door or rear deck panel.</p><p></p><p>As a rule-of-thumb, look for a driver with a Qts of close to 0.7 or higher for better response in vehicle doors. You didn't give the amp wattage specs, so sorry if they might be too small for your amplifier output. Since you're looking at Parts Express, here are some possibilities:</p><p></p><p>Pyramid W64</p><p></p><p>Goldwood GW-S650/4</p><p></p><p>Goldwood GW-6PC-4</p><p></p><p>Even this ultra-low budget unit "Factory Buyout" driver (part number 299-609) gives an excellent possibility given its Qts value.</p><p></p><p>If you were mounting these in a kick panel location, then maybe your initial choices might have been a better match. A kick panel can give a better approximation of a real "enclosure" to a driver than a car door or rear deck panel, if it is properly sealed front-to-back (NO air leaks).</p><p></p><p>Hope this helps! //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif</p></blockquote><p></p>
[QUOTE="Cliff459, post: 8259539, member: 660957"] My two cents here as a guy who has messed with speaker design as "Professional" (ie - Paid Gig) and hobby for more than twenty years now: Given the Qts values for all three of your choices, I will guess that every one of them will disappoint you as midbass units without some kind of enclosure behind them. All of the Thiele-Small parameters suggest that these drivers are much better suited to enclosures, and not the "Free Air" type of loading they will experience in a car door or rear deck panel. As a rule-of-thumb, look for a driver with a Qts of close to 0.7 or higher for better response in vehicle doors. You didn't give the amp wattage specs, so sorry if they might be too small for your amplifier output. Since you're looking at Parts Express, here are some possibilities: Pyramid W64 Goldwood GW-S650/4 Goldwood GW-6PC-4 Even this ultra-low budget unit "Factory Buyout" driver (part number 299-609) gives an excellent possibility given its Qts value. If you were mounting these in a kick panel location, then maybe your initial choices might have been a better match. A kick panel can give a better approximation of a real "enclosure" to a driver than a car door or rear deck panel, if it is properly sealed front-to-back (NO air leaks). Hope this helps! [IMG]//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif[/IMG] [/QUOTE]
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The most budget set up ever
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