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Thanks for the reply, I was hoping someone else had performed this modication and had real impedance numbers.

If I alter the crossover and separate the low pass circuit from the mid/high, I'm curious as to what the nominal input impedance becomes for the two independent sections. I assume "higher", but I'd...

Thanks. I posted, but no reply yet...

Thanks, hjames. I read the thread, and it may be helpful to some, but he doesn't address the series resistance of the coils. I wanted to keep my speakers in service while I gathered the parts, but...

As the title implies, I am seeking the DCR values of the coils in a L100T3 crossover. I am looking modify the "T" crossovers I built in this thread: ...

Thanks for the link. I have been unable to source the OEM plugs and have access to various foam materials. I'll give it a go... If anyone knows the actual height of the foam plugs, please post it...

I am the original owner of a pair of L100Ts. The woofers have been re-foamed and the crossovers refurbished. Now, the tweeter foam is shot and requires replacement. The simple, elegant solution is...

Thanks for your comments. The caps and the coils are secured to the PCB with clear RTV. The improvement in sound quality makes the work worthwhile.

On Saturday, we drove down to our other home and I retrieved my L100ts. I discovered I had the old style point-to-point crossovers. I set about scavenging the coils and getting this done. Once...

PCBs done.

Here is the modified PCB layout. I plan on flipping the image and producing a new PCB. I made a minor change to accommodate the larger capacitors. The board was also widened and stretched to fit...

Yep. This is exactly what I was looking for. I will post the results of my endeavors. Thank you. :)

Thank you for posting this. Your images are almost what I need. With further research, I have discovered there are at least three different component layout schemes for these PCBs. Unfortunately,...

Thanks for your reply. I have both schematics. The component layout and interconnections are almost identical for the two crossovers (N100T and NL100t3). As you know, the passive component values...

Long time lurker, recently registered. I am looking for an image of the solder side of a JBL L100t crossover. I am the original owner of a pair and would like to rebuild the crossover. I have new...

I have read your thread with some interest as I too, own a pair of L100ts in need of a center channel. Have you considered a L20t? There is currently a single L20t listed on that auction site for a...