I was listening to my M90 recently and all of a sudden the treble went flat on one side. The left tweeter wasn't producing any sound and I feared I had a major problem on my hands. I called Norm and he gave me a simple technique to test all the speakers individually to isolate the problem. Lucky for me the problem was a blown tweeter.
I ordered a new set of 2 3/4" Sony tweeters from Parts Express. The originals were 6 ohm 20 watt max. The replacements are 8 ohm 70 watt max. The shape and design of the Sony tweeters are an exact match for the JVC tweets, so they fit perfectly. My concern was how would the sound be affected? Looking at the front side the paper used for the Sony tweeter looks and feels much more solid than the JVC's so I was hoping that quality would mean better sound.
I went over to Norms for some quick surgery and before you could say "M90" he had the new tweeters installed. We installed the chassis and fired her up. I was pleasantly surprised and kind of shocked that these Sony tweets sound better, have more detail, and deliver the sound more smoothly. I never thought I could make the M90 sound better but these tweeters make a big difference in the mid to upper range sound reproduction.
There is a small downside...these tweets have gloss black centers so they are hard to see through the tweeter grill. Other than that the rest is all upside!! The M90 sounded great before but now the detail is truly fantastic. I would recommend these tweeters to anyone looking to replace or upgrade there M90 tweeters. Here are some pics of the tweets and the finished product...
I ordered a new set of 2 3/4" Sony tweeters from Parts Express. The originals were 6 ohm 20 watt max. The replacements are 8 ohm 70 watt max. The shape and design of the Sony tweeters are an exact match for the JVC tweets, so they fit perfectly. My concern was how would the sound be affected? Looking at the front side the paper used for the Sony tweeter looks and feels much more solid than the JVC's so I was hoping that quality would mean better sound.
I went over to Norms for some quick surgery and before you could say "M90" he had the new tweeters installed. We installed the chassis and fired her up. I was pleasantly surprised and kind of shocked that these Sony tweets sound better, have more detail, and deliver the sound more smoothly. I never thought I could make the M90 sound better but these tweeters make a big difference in the mid to upper range sound reproduction.
There is a small downside...these tweets have gloss black centers so they are hard to see through the tweeter grill. Other than that the rest is all upside!! The M90 sounded great before but now the detail is truly fantastic. I would recommend these tweeters to anyone looking to replace or upgrade there M90 tweeters. Here are some pics of the tweets and the finished product...
. Good to know about the new part info, thanks.
In some ways, I kinda like the stealth tweeter look.
way to go Norm 
whit all. Love the "invisible" look of the new tweeters. And if the sound is even better... wow. Now im eager to see a black caps woofers on some M90. Its goin to look mean machine.