Polk Monitor 70s (Are they blown?) - Page 2 - AVS Forum | Home Theater Discussions And Reviews
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Old 02-06-2013, 04:08 PM - Thread Starter
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The 809 just dropped to 573 on amazon.com. So that makes it even better than when I had made that post when it was at 650 online. I think I'll pick it up., if I can sell my current receiver. If I have to, I'll double up on the XPA-3s though but right now I think that's all I could afford is the XPA-3. I couldn't do a no center channel set up. Maybe I'll add an XPA-2 later though instead of two XPA-3s and have the XPA-3 power the surrounds and center and the XPA-2 get the towers.
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Old 02-07-2013, 10:17 AM
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That's an awesome price on the Onk!!! Way to go. Good plan on the emo's, that's exactly what I did, got the three channel first and added the 2ch later. I was running a 7.2 so I had my AVR powering the surrounds but now rocking a modest 5.0 so the AVR is taking a rest and acting like a pre

Spinning the rear tire at 150mph while at 3/4 lean angle will put wrinkles in your seat


Set up:
Integra 70.4--Oppo 103--LG50"Plasma--Emotiva: XPA-3, XPA-2 x 2--PolkAudio: RTiA9 x 4--CSiA6--FXiA6 x 4--Epik: Empire x 2--XBOX 360--Furez 10awg homemade cables
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Old 03-03-2014, 07:02 PM
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I know this is a change in direction but I looked inside to see how good the tweeter was and it looks pretty cheap. It is the flattest tweeter i have ever seen. IF ANYONE WANTS TO GO THIS ROUTE and just get better tweeters, these should do MUCH better than the ones in the polk, especially with the amps ya'll are naming out. Vifa BC25SC06-04. They should fit just right although bit wont look the same, just keep the grills on the speakers. I haven't blown the tweeters in my Monitor 70's but I think the High range could be better, that's just my opinion. 

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Old 05-23-2014, 06:06 PM - Thread Starter
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I know this is a change in direction but I looked inside to see how good the tweeter was and it looks pretty cheap. It is the flattest tweeter i have ever seen. IF ANYONE WANTS TO GO THIS ROUTE and just get better tweeters, these should do MUCH better than the ones in the polk, especially with the amps ya'll are naming out. Vifa BC25SC06-04. They should fit just right although bit wont look the same, just keep the grills on the speakers. I haven't blown the tweeters in my Monitor 70's but I think the High range could be better, that's just my opinion. 

Just googled "Polk Monitor 70s weak high end" and low and behold this thread pops back up!

So some updates.
I blown the tweeters out twice now and replaced them both each time. Anyway, been quite happy with the performance until I recently stumbled upon some B&W speakers in my basement. This is unreal the difference between the two. The Polk Monitor 70s (which have working tweeters now), have the WEAKEST high end ever. Almost nonexistant.

I've added a Crown XLS1500 and a NU4-6000 to my system for speaker amplification and sub amplification. Also have a Dayton Ultimax 15 being built right now but not done yet.

I'm interestesd in the upgrade if anything to offer it to my friend who is purchasing the speakers. I don't see how the Vifa driver will fit the space that Polk has there as the Vifa is a full circle and the Polk is a half circle? If you could explain that (or anyone else really) that'd be great.

Anyway, now that I've learned some more myself I plan on going full DIY. I was very happy with the Monitor 70s, still would recommend them to anyone. But once you know better is out there, if you're an enthusiast, you have to chase it. It's just inevitable. To anyone wanting to spend $150+ on these speakers, I suggest going DIY instead with the DIYSoundgroup packages. Any speaker package you pick from there in the Waveguide or Coaxial section (probably any speaker really but those I know for sure) will blow this out of the water and many are cheaper options. I'd put the work in if you're an enthusiast as the return is worth it. My Dayton Ultimax build is making progress, my Polk Monitor 70s are about to net me $150 hopefully, and I'll be using that combined with some saved up cash to pick up some Volt-10s from DIYSoundgroup.
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Old 05-23-2014, 06:26 PM
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The Vifa tweeters are a little smaller than the Polks but they would fit. I actually have the Ultimax 15 inch and sealed enclosure kit built and I like it. I have a Crown XLS1000 powering it and it is great. I too have decided I will eventually sell the Polks and DYI something using the Amiga enclosures. That's later down the road but maybe like 4 Peerless SDS 6.5 inch woofers sealed. Not sure of the high range though.
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Old 05-23-2014, 09:33 PM - Thread Starter
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I was talking about the little plastic cup thing? I may just be a noob and not realize that you mean that you can just keep the little plastic polk faceplate thing and just switch the tweeter.
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Old 05-24-2014, 01:44 AM
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The plastic thing I think is not removable so the whole thing would come out. You would have to drill new holes to mount the new tweeter.
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Old 05-24-2014, 09:04 AM - Thread Starter
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If you had pics that'd be great. I really think I'm missing the point lol. So sorry!
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Old 05-24-2014, 10:21 AM
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I'll try and post pics soon but basically its all one piece.
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Old 05-25-2014, 06:16 PM - Thread Starter
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I'll try and post pics soon but basically its all one piece.

Thanks man. When you can get those pics up that'd be great. Just want to see how exactly you got them mounted since text just isn't making sense to me lol.
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Old 05-25-2014, 06:34 PM
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I don't actually have the new tweeters but I can show you what it looks like with the old tweeters removed. I was gonna buy them but now I'm just gonna stick with the stock ones for now. I'll cut out like a piece of paper or something.
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Old 05-25-2014, 06:38 PM
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I mean a paper with the correct diameter that's the same size of the vifa.
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Old 05-25-2014, 11:36 PM - Thread Starter
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My bad, I was under the assumption you had actually replaced the tweeters. Upon reread I can see now that you had just looked at them. Ok that makes more sense!
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Old 05-26-2014, 07:44 AM
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Its OK, I would have thought the same thing. Here's the pictures.
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