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Found 3 results

  1. So I bought a new multi-meter and decided to check the resistance of all the drivers on my AR18. So far so good. All drivers (woofers and tweeters) showed a good 5 ohms. While I was at it I also checked the capacitors I replaced. Still good there. showed about 6uF. On a hunch, I checked the older capacitors which were still in the cabinet. While one showed 7uF the other showed a insane 18.5 uF. Now using the calculator http://www.carstereo.com/help/Articles.cfm?id=1 , I figured the hi pass as intended by the company would be 5300hz. But with the wonky capactor it would be 1766hz. Would that
  2. These speakers were given to me by a friend of mine at church who had them in the back of his truck destined for Goodwill. The cabinets were fairly rough and the grille fabric had been replaced but everything else was original. I had never restored a set of speakers before but thanks to the encouragement of Roy, Glenn, Kent and others on this site, I have spent the last 6 weeks restoring them and am very happy with how they turned out. Here are a few of the details: Year: 1963-4 Make: Acoustic Research Model: AR-3 Serial #s: C21604 & C21611 Restoration summary: - Origi
  3. Thought you might find this interesting. This capacitor, removed from a very early 60's AR3 (Serial numbers in the 9xxx range). One can see how far a cap can "drift" in 58 years. The 24 uf cap is now over 60 and the 6 uf cap is around 10 uf. Now, i know my cap tester is hardly a tol model, but it's in the neighborhood.
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