tysontom Posted August 23, 2020 Report Share Posted August 23, 2020 Do you AR recognize this AR-6 and anything different about it? --Tom Tyson Quote Link to comment Share on other sites More sharing options...
RoyC Posted August 23, 2020 Report Share Posted August 23, 2020 Hi Tom, The crossover appears to be the earliest iteration, which was more complex than its successors, but I have never seen one with that woofer circuit. Is this one of your specimens? Roy Quote Link to comment Share on other sites More sharing options...
ar_pro Posted August 23, 2020 Report Share Posted August 23, 2020 Transformer? Quote Link to comment Share on other sites More sharing options...
tysontom Posted August 23, 2020 Author Report Share Posted August 23, 2020 Roy, it is one of the early versions. But what about that transformer? It almost looks a little like a "special" AR-6. Well, you were the only one at this point to mention anything about it, but it was one of several AR-6s specially built by AR in Holland for the old Royal Opera House in Copenhagen. I think when they were building the new $500 million opera house or before, they took out all of the old stuff, but I'm not sure of the actual history. Klause was on hand to get many of the older ARs when they were removed several years back. Through a little woofer "horse trading" with Klause, I got one black AR-6 a few years ago, but I never looked inside of it until recently, and that's when I noticed the transformer. That is a line-matching (likely 70-volt) transformer, and I guess all of these AR-6s and the many AR-LSTs also had those transformers due to the big distances between speakers and power source. The original woofer was replaced with a newer ferrite version, which I re-foamed, but the tweeter and crossover are still original. In most installations such as this, the transformer is usually attached to the back of a speaker, but in this case it was integral with the crossover internally. AR installed the transformers, painted the oiled-walnut (probably before oiling) cabinet in flat black and sprayed the grill with black paint as well. Hope everyone is staying safe! --Tom Tyson Quote Link to comment Share on other sites More sharing options...
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