Martin Posted February 22, 2021 Report Share Posted February 22, 2021 Finally got a pair of ADC 303AX after searching for a very long time. It was a personal teen-aged goal to own every one of the five check-rated speakers in the infamous (infamous because of the Bose lawsuit) May, 1970 Consumer Reports loudspeaker article. The other check-rated speakers in that article were Dyna A25, KLH 6, AR 2ax, Scott S15. The ADC was the only one that never found its way into my listening room, until now. I am happy to report that they sound remarkably good, low-frequency output is nothing short of excellent. They can probably benefit from a recap. More on that as it develops. Any other ADC fans out there? Quote Link to comment Share on other sites More sharing options...
Transmaster Posted February 22, 2021 Report Share Posted February 22, 2021 This brings back memories. https://www.leagle.com/decision/19811757508fsupp124911545 Quote Link to comment Share on other sites More sharing options...
Martin Posted February 23, 2021 Author Report Share Posted February 23, 2021 Thanks, Transmaster. Remind me to never say anything negative about the 901. Quote Link to comment Share on other sites More sharing options...
R.Lake Posted January 9, 2022 Report Share Posted January 9, 2022 Just wondering how you removed the grills without damaging the boxes? Quote Link to comment Share on other sites More sharing options...
Martin Posted January 14, 2022 Author Report Share Posted January 14, 2022 These late units had grills attached with Velcro, so removal was no problem. I don't know ADCs well enough to know if earlier units were attached with glue, but that would be my best guess, so a thin putty knife carefully inserted around the frame my help you pop them off. Quote Link to comment Share on other sites More sharing options...
Diogenes Posted February 3, 2022 Report Share Posted February 3, 2022 On 1/15/2022 at 1:06 AM, Martin said: These late units had grills attached with Velcro, so removal was no problem. I don't know ADCs well enough to know if earlier units were attached with glue, but that would be my best guess, so a thin putty knife carefully inserted around the frame my help you pop them off. Early 303As were indeed glued on and possibly nailed as well. I had a set that needed their woofers repaired that had silver threads through the grille cloth (to help date them) where the grill was absolutely impossible to remove. I tried prying to the point of hearing cracking wood and had to give up at that point lest I destroy everything up front in the effort. Ended up giving them to another fellow and he had to resort to using a circular saw to cut open the back as he couldn't remove the grilles either. Shame the only method that worked was so destructive. The woofers were interesting being an early example of a slit cone to control resonances with tape to seal against leakage. It was the old tape falling off and flapping against the cone that had caused the woofers to rattle and need repair. Quote Link to comment Share on other sites More sharing options...
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