AL78 Posted September 20, 2019 Report Share Posted September 20, 2019 Hi One of my ar7x has the bass very attenuated is it possible that the caps are gone or teh caps control only the tweeter?What happened?I have tried with an other pair of speakers and i have inveterd the channel it's not the amplifier thanks Quote Link to comment Share on other sites More sharing options...
ra.ra Posted September 20, 2019 Report Share Posted September 20, 2019 Without looking this up to confirm, I believe the primary difference between the AR-7x and the AR-7 is that the 7x uses a tweeter with ferrofluid for somewhat increased power handling. Also, I think the 7x was offered only in Europe, uses a multi-color cabinet stuffing, and often had the lovely teak veneer found on many Euro cabinets. The 6uF cap (and switch and resistor) found in the AR-7 is dedicated to the tweeter circuit only, and the woofer has no crossover components - - I'm pretty sure the 7x circuitry is essentially identical. Regarding the bass performance, I think you'll need to closely inspect the problematic woofer. Be certain that the cone seems to have adequate movement potential, but also, I can imagine bass performance suffering in a small sealed cabinet if the woofer foam has developed any cracks or deterioration. Quote Link to comment Share on other sites More sharing options...
AL78 Posted September 20, 2019 Author Report Share Posted September 20, 2019 Thank for the answer i though too the problem couldn't be the cap.I'll check the speaker thanks Quote Link to comment Share on other sites More sharing options...
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