tourmax Posted March 14 Author Report Share Posted March 14 Yeesh….. Quote Link to comment Share on other sites More sharing options...
ReliaBill Engineer Posted March 15 Report Share Posted March 15 Germane to finding a replacement tweeter for the AR-4X: Not naive at all. I’ve listened to individual drivers for more than 4 decades. Every one of them, be it a tweet, mid or woofer, has a “characteristic” sound. For the interest of those using these PRTs, a partial dissection: I removed the cone surround: I didn’t expect to see it, but these tweets use a spider! The spider secures the dome to the rear metal housing, at the cone/voice coil interface. Also, there is no internal damping (batting) inside of the cone, in the void behind the cone. No felt, no fiberglass, no poly fiberfill. The cone cannot be easily removed from the VC gap without risking damage the cone. Hard to see, but in the pics below, one can see the phenolic treated “gauze” beneath the cone. I’ll be calculating the type, amount of damping, 1000Hz to 15 kHz. Then redesigning the surround. Quote Link to comment Share on other sites More sharing options...
ReliaBill Engineer Posted March 15 Report Share Posted March 15 Waiting for the surround to cure. I used wool felt as batting inside. Quote Link to comment Share on other sites More sharing options...
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