ReliaBill Engineer Posted March 26, 2023 Report Share Posted March 26, 2023 (edited) I’ve been working on these speakers for a couple of weeks. I see there are different sub-models from 1969-1976. Can anyone tell me where mine fit in? Also the tweeters sound good, but can they be rebuilt? Ive already cleaned the pots and replaced the caps. A couple of sound vids. Just doing 1 speaker at a time. The other hasn’t been corrupted, grill has never been removed: https://youtu.be/tmccEYWNGCY https://youtube.com/shorts/hPa7-tz-ujY?feature=share Edited March 26, 2023 by ReliaBill Engineer Add pics and sound clips Quote Link to comment Share on other sites More sharing options...
genek Posted March 26, 2023 Report Share Posted March 26, 2023 The 2ax was a 1964-1976. Your is an "early" model, between 64 and 70. Quote Link to comment Share on other sites More sharing options...
ReliaBill Engineer Posted March 26, 2023 Author Report Share Posted March 26, 2023 Thank you for correcting me on both issues. I was under the impression the AR2 was from 64-76, the ax version from 69-76. Any info on the tweeters? Quote Link to comment Share on other sites More sharing options...
genek Posted March 26, 2023 Report Share Posted March 26, 2023 The models overlapped: AR-2 1957 - 1964 AR-2x 1964-1970 "early" AR-2a 1959 - 1969 AR-2ax 1964-1970 "early" AR-2x 1970-1973 "late" AR-2ax 1970-1976 "late" There are a couple of members who can rebuild tweeters. Will let them say whether their services are available. Quote Link to comment Share on other sites More sharing options...
ReliaBill Engineer Posted March 27, 2023 Author Report Share Posted March 27, 2023 Yikes! No wonder I had it wrong! The mid and tweeter are breaking in nicely. I’ll give them some time before making a decision. But it would be nice to know what the options are. I have to say that from what I’ve heard so far, they sound better than my dad’s 1966 Wharfdale W70D speakers. Quote Link to comment Share on other sites More sharing options...
ReliaBill Engineer Posted April 4, 2023 Author Report Share Posted April 4, 2023 I need to record that same track I started with. After tweeter rebuild: Quote Link to comment Share on other sites More sharing options...
ReliaBill Engineer Posted April 5, 2023 Author Report Share Posted April 5, 2023 Here is a comparison, before and after the tweeter rebuild, using the same music track. Jazz from one of my Octave Records Audiophile Masters recordings on vinyl. Balanced output from the tweeter and mid driver makes such a huge difference!! And now, the butyl rubber is completely cured and stable for many decades to come! Before: After: Quote Link to comment Share on other sites More sharing options...
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