2. amps-preamps
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Recommended Amps and preamps for Polk RTI A7s HELP!!!

Hey guys I’m pretty much a newbie to the audio hifi world, it all started a few weeks ago when I received a Denon 2801 amplifier that he wasn’t using. So I decided to get some speakers I got a really good deal on a pair of Polk Audio RTI A7s upon research they are rated from 20 - 300 Watts. I have done a lot of reading from other users and forums that they really need a lot of power to drive to enable to listen to them properly and perform well. Which is also what the seller told me to invest into a good amp and pre amp. I am currently using the Denon 2801 my dad gave me which is only 90 Watts at 8 ohms, I used the amp to test the speakers when I picked them up and the seller was telling me that the amp I’m using is just not cutting it with the A7s probably only performing at 30% performance wise. I’m really new to the audio world guys once again. I just want to get some advice and tips on how amps and pre amps properly work together and are they hard to hook up to one another I notice on the back of my Denon there is a section that’s says pre out and a white and red connector that says left and right im assuming that’s where I would hook up my pre amp? Also another query I have is should I keep my current Denon amp and just get a pre amp with it? What amps or preamps would you guys recommend that would make the pair of A7s perform well? Also if the speakers got the power that they needed would there be a huge difference in sound and quality and where ? I don’t want to spend thousands of dollars but possibly up to $1000 or less just to begin with as I’m fairly new I will probably want to change a few things but I just want to drive these speakers to perform well to truly get the experience of what there capable of. Sorry guys for all the newbie questions and queries . Any help or advice is much appreciated. Thankyou all


Tony
daoki
miner42
709 posts
 
FYI, an Audio Video receiver is a one-box solution for an multi-channel amp, preamp, and tuner. 
roberjerman
4,319 posts
 
Buy the Luxman LV112 integrated amp (Japanese-made) now on EBAY. $140 and free-shipping from Colorado! Seller is: johnkent2018. This is an excellent unit and will drive your Polk speakers with ease! Sell (or throw away) that Denon AV receiver! The Luxman is far better! 
roberjerman
4,319 posts
 
For a signal source (cheap) there is a Harmon Kardon HD7400 CD player for $55 + $26 shipping on EBAY. Seller is: proofofauthenticity. Ships from NY. A quality Japanese unit!
roberjerman
4,319 posts
 
Your Polk RTi A7's are a quality speaker! Four-way (2 7-inch woofers, 6.5-inch midrange, 1-inch tweeter) narrow-baffle ported cabinet. Real wood veneer (42x8x17). 55 lbs. A good and enjoyable beginning system! Get the Luxman LV112 and HK HD7400 and you'll be good to go!
mrdecibel
3,033 posts
 
Your Denon consumes 5 amps from the wall, at full volume, with all channels driven. Using it strictly as a front 2 channel stereo amp, you might find the sound to be enough, for now ( it has a decent power supply ). Make sure you have all of the surround sound stuff OFF, and the unit is set to STEREO. As you are a newbie, I would stress to you, to 1st set up the speakers properly, using the supplied spikes, and maybe do a little bit of acoustical room treatment, then, listen to what you have, which costs very little, at this time. Your Denon has a preamp out, so you can add a power amp later ( or sooner ), if you find you need or want to. Place the Denon on a non resonant shelf, and if you have something small and heavy ( such as a marble statue, or a weight from a dumbbell set ), place it on the top cover of the Denon, near the center, to eliminate the chassis from ringing. I know this is different from the other recommendations, but I am telling you, do this first. Keep us posted. Enjoy ! MrD.
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