I have a very old pair purchased by my father in the 80's (2 tweeters). What do you think of these? To me they sound OK but when doing a recent side by side with ADS L520's they struggled to hold their own. More bass, but the mids were an equal match and then the highs... They weren't as "sharp" and I kept going back to the ADS as the better speaker. I gave them a dose of high power and no problems. The SDA cord has long since disappeared so I bridged them together so they work as a single speaker. If you do this watch out the DC resistance dropped to ~ 3.2 ohms. The fact that both were the same reading on a high end Fluke meter means that they got lucky at the factory or the quality of components are tops (probably the real reason). I know that some improvements can be made, tweeters, crossover parts (these look to be very good quality). Any feedback would be appreciated.
BTW - I did make my own SDA cord (simple spade connects, one filed down)
but these sit stacked in a corner where the true nature of SDA would
not be heard.