Modifying Crossovers

@jaytor, understood, thanks.

@carlsbad2, Hey Jerry, thanks for the generous offer. I have a lot of experience designing and modifying XOs. Have been doing this for what seems like forever and have a speaker design of mine about to go into production. The person who asked me to design him a small bookshelf speaker was a customer of mine and now has a retail outlet. He has the prototype but seems to have a problem finding someone to build a good quality veneered box.

After designing the XO I spent some considerable time choosing components and it was then that I settled on the Powertron resistor. Reverting back to Mills, paralleled Kiwame, Mundorf and some others was a big disappointment. I did not have a chance to try Duelund nor Path resistors as it was at this time that I was preparing to leave South Africa to move overseas.

@carlsbad2 

Wow! $100,000 on .... drum roll please ... crossovers! 

And I thought cable interconnect folks were obsessed.

I have a pair of Altec Lansing 604Cs. Their stock crossovers are bright, cheaply made and have always been regarded as an afterthought.

I replaced them with a pair of Doug Sax’s Mastering Lab https://www.youtube.com/watch?v=y7mW8BF-Bvw and https://reverb.com/item/25855847-the-mastering-lab-604-5-frequency-dividing-network-crossover-35228  and https://www.esbcar.com/doug-sax-and-the-706 crossovers but first replaced the caps with Jensen oil-immersed copper foil aluminum tube capacitors https://www.ebay.com/b/jensen-capacitor/bn_7024921440

@vair68robert excellent point.