Update Feb 2022:
I received your comment feedback on the upgrade of crossover components (especially for the film cap used in Mid range that I used Standard cap instead of Superior Z-cap).
Then I actually completed the upgrade of crossover in 2017 for the Mid range cap from standard cap to superior Z-cap. Beside this, I also upgraded the cap in the tweeter part from superior Z-cap to Alumen Z-cap together with two wax coils (see attached crossover photo). The sound improvement at the time is significant with these component upgrade and I enjoy it very much for above 5 years already.
Recently, I am just aware and read from your great DIY website last week that the Seas mid range driver can also be upgraded from W18NX001 to W18NX003 without any change in the crossover components. Then I immediately start the upgrade process and complete the change now (see the photo.
Really enjoy the new mid range improvement sound! As you mentioned in the website that the speaker can now be listened to at a louder sound (but can still keep a comfortable sound). The mid range frequency from the new driver appear to have even more natural, details and focus vocal voice when listening to songs and also can hear more music details when listening to big orchestral music.
Thanks again for your recommendation on this new
Seas mid range driver, so that I can have Jenzen the next speaker
upgrade after listening to it for above 9 years and can keep enjoying
it for longer time.
Jenzen NEXT, built by CC
Lim Hong Kong