blanddawg625
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I have to agree totally with how well the AR90s sound being pushed with a professional amp. I push mine with a fully restored Yamaha P2200, with the big vu meters and 350 watts @ 4ohms. I believe the weak link has been a little Aiyima pre/DAC that is surprisingly quite, but I think lacking in soundstage and imaging. I am currently awaiting the delivery of a Classe SSP25. Everything I have read about the Classe' tells me that it is a superb 2 channel performer. Can't wait to find out.
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Thank you. I do have an owner's manual.
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Found the specs on the P2200.
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I used rope caulk from Simply Speakers on all four 10" woofers and on the 8" mid. I am beginning to think that the preamp is the culprit. I get good bass when I turn the LF tone control up a few clicks past flat. Maybe time to shop for a better pre. Preferably Yamaha, too.
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Sorry about the double post, but shouldn't the LMR be in phase with the woofers? This seems to make sense because this 8" driver does play the upper bass, does it not?
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I have them against a wall, with about 3' clear on either side and about 7' apart. Thought about playing them and putting my hands on them to make sure both are moving at same time and then check one of them against the LMR the same way. My understanding is that the woofers were wired in phase but the other 3 were done the opposite. So, the woofers should move at the same time with each other but should be different from the LMR.
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I am driving them with a restored Yamaha P2200 and Aiyima pre/DAC. The Aiyima is surprisingly quite and has a 2v output so the power is there as the amplifier is rated at 350 watts into 4ohms. I did recap these and replaced all but the 350uf on the lower board.
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Seems like there should be more bass on these. How much difference do the capacitors on the lower board affect this?
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So they changed the way the switches are mounted at some point, because the pair I have has them on a board. The switches are on one side and the resistors are on the other.
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That is why the amp has been totally upgraded and the speakers are fused.
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Got both ends, suggestions on in between.
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It is because of the standing waves from the woofers which will resonate throughout the upper regions of the cabinet. The filling is there to stop this from happening.
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No it is not if you just move the switch board out of the way. This is done by cutting the front lead on the 4uf and removing the nuts from the 3 switches in back. Then it can be lifted slightly and moved, making it easy to reach both connections of the 6uf.
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I recently bought a pair of AR90s and found that all the woofers- 2 8" and all 4 10" have been resurrounded with rubber instead of foam. I have read that it is not so bad for the 8", but what about the 4 10" woofers? How will this effect the sound and is there a remedy for this. I have already noticed a lack of efficiency with them but what else will be different. Thoughts?
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Where did you get this picture? This is a picture from a pair of AR90s that I am buying on Ebay right now.
