When I checked the OEM elytic caps in my set of Diamond 10.2 they were pretty off:
C1 average = 6.7uF vs. 6uF tweeter
C2 average = 7.5uF vs. 6.8uF woofer
Changed them to Panasonic metallized PP radial, 5%:
C1s were purposely reduced to "5.6uF", measuring 5.68uF and 5.7uF
C2s stayed 6.8uF and measured a tad low at 6.62uF and 6.65uF
I could have tweaked them up with some dead-on 0.27s but didn't.
After reading the report I had figured to offload the tweeter of some of its low end duties by raising its Fc a bit vs. doing Mod 2. Turns out, in reality I raised it quite a bit considering the OEM tweeter cap values. I "think" the 10.2s have improved more than a bit. Happy I went to the trouble.
C1 average = 6.7uF vs. 6uF tweeter
C2 average = 7.5uF vs. 6.8uF woofer
Changed them to Panasonic metallized PP radial, 5%:
C1s were purposely reduced to "5.6uF", measuring 5.68uF and 5.7uF
C2s stayed 6.8uF and measured a tad low at 6.62uF and 6.65uF
I could have tweaked them up with some dead-on 0.27s but didn't.
After reading the report I had figured to offload the tweeter of some of its low end duties by raising its Fc a bit vs. doing Mod 2. Turns out, in reality I raised it quite a bit considering the OEM tweeter cap values. I "think" the 10.2s have improved more than a bit. Happy I went to the trouble.
Thank you for all of the excellent information in this thread.
I recently set up some old 10.2's in my office and I had already discovered that they sounded better slightly tilted back.
It is fascinating to see the measurements of this "mod".
Kind regards,
John
I recently set up some old 10.2's in my office and I had already discovered that they sounded better slightly tilted back.
It is fascinating to see the measurements of this "mod".
Kind regards,
John
What if we tilt the speaker with default crossover? Does it improve time delay and FR?