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I have not seen that term "dendritic" used in a many a fortnight, so long in fact that I had to look it up and confirm the usage. Now back to the real subject at hand..............trying to improve the frequency response/tone... from a replacement "mid/tweeter" for the 4x. Personally I am willing to wait on Bills video results and go from there as to what the listening experience results. Bill , thanks you for your work, Ken

Something that I have noticed, been coming to this board for over the last 9 years, do not post very much and just started to post again this week, last time I posted was in 2015 When rebuilding a pare of 4x speakers, and cannot find my posts. No Matter. Back to what i was going to say,,, I have noticed that many have apparently died, left or no longer post, a few have stayed and provide good to better info up to a point, but few give any sound with their restorations, improvements or modifications, only charts. I remember back in the day what I thought AR speakers sounded like but due to age and where I have been over 50 years the ears are not what they used to be, maybe they are what they used to be and the speakers are not , then again I have been told that I have selective hearing loss as well as selective db gain, I found both useful for staying alive. Never the less, I find myself going back into the 4x's that I rebuilt along with 2 more pair that I picked up due to internal parts and surrounds that need help. I never was happy with the mids and highs of the rebuilt 4x's I did and hope to brighten them both up a little with out the harsh highs of the new speakers sold today. I was very impressed with what you accomplished with the 2ax speakers and hope you can accomplish the same with the 4x's. Maybe I need to find a set of 2ax's and rebuild as you did.

When you do the check use the sound track from post on March 25. I think that track gives a reasonable broad dispersion across the spectrum of what should come out of a speaker. Maybe its just me ,but I always believed that the speaker should represent the actual music as played by the artist, If someone wants a more muted/muddy sound, then adjust the controls to distort to their preference. Thanks for the work you are doing. Now i guess it time to cover up with some good old asbestos blankets due to the heat from the flames that will be coming my way. Ken

Following with intense interest, I have 3 pair of AR4x's to go through. One of the pair I have already changed out the caps and cleaned the pots, refinished the cabinets, the sound was better than when I got them but they still need help. Mid/tweeter is muddy...at least to me it is. I liked what you did to the 2ax tweeter, I could really tell the difference ..even when coming across on a computer. Looking for a reasonable pair in terms of $ this last week. Thanks for posting what you are doing.