Wharfedale Diamond 10.2 review and DIY mods

[xPakrikx]

Mod 2 simulation

Hi gornir

I try simulate your crossover mod 2 in TLspice and got this output.
One output is from tweeter and one from woofer. Is this output ok ?
Phase shifting ...

Sorry i am newbie.

Thanks

 

[JRA]

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.

 

[johnkenyon]

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

 

[akarma 76]

Hi Benbo,
First of all you need to tilt the enclosure backwards about 9-10 degrees in order to get the mid-woofer axis about 22mm closer.

What if we tilt the speaker with default crossover? Does it improve time delay and FR?