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Curious, 006.9, has your late eighties 2C ever been opened up to have work on? I am sure you have had the Foam surround replaced at least once for both speakrs.1)"Aging of crossover components should be negligible, unless they get hot, overheat. Heat will destroy just about anything. The only crossover components that are prone to age, are (non-polarized) electrolytic capacitors. The electrolyte is "wet" and begins to dry out after several years." 2a)"Rod Elliot at Southwest Audio in OZ has claimed for some time that the environment inside most speakers is not conducive to have the caps and other items do anything BUT DETERIORATE from age. And when you think about it.... Speakers by their nature produce heat, AND you can't pump hundreds of watts into a closed insulated box and not expect the heat to gradually deteriorate everything inside. After awhile the values of the electronic items in the box begin to change." 2b)So.... yeah, in the the 26 - 33 years that these items have been in an insulated box with heat and magnetic fields bathing them, they are most surely not at the same value they were when someone put them together.3)"any variable pot or rheostat will tend to become intermittent and sometimes contribute noise. "
Electron Kinetics Eagle 2
That was a really cool amp.
006.9 replace caps for the shown Electron Kinetics Eagle 2 would be much small for the value or rating of the cap were that cap recently made. It seems that smaller caps produced today are equlivant to caps made 30 years ago. So when did you have yoru Caps replaced 006.9