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Hey Trevor, after all these months I assumed that you had the VDC issue figured out. I still don't have an explanation (especially since you're getting the same results with two different AMPs). With that said, consider ditching the need to tune with your multi-meter based on VDC and just tune by ear. Get a helper with great hearing that understands what distortion sounds like, or you take that roll. The other person adjusts the gains until your speakers are screaming don't beat on my anymore. Back of the gain just a tad from there and button it up.

As for speaker selection....................

I've always been tempted to run components, but two things keep me on coaxials; no need to figure out where to install crossovers, less complication in the system = fewer failure points. So it's hard for me to tell you to go one way or another.

Maybe your decision will be driven by budget, installation complexity, space and whether or not you want to modify your pods (speaker ring spacers or cutting a relief hole in the pods to clear larger magnets).

There are some pretty awesome new speakers that can be made to work in our Road Glides.

The MMATS PA601 series are getting a ton of positive feedback over at the other forum, they come in both coaxial and component. But you gotta hack the pods to clear the magnet.
DB Drive has released the GEN 2 WDXMoto 602 - very new but initial feedback is really good. But you gotta hack the pods or use speaker ring spacers to get the magnet to clear.
ARC Audio is releasing the ARC Moto 602HD and on paper they should be fantastic speakers, but man they are pricey.
 

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Discussion Starter #42
Thanks for the response. I went to a couple audio shops that are local and they all pretty much had the same response to the brands listed above that they would highly recommend the new Arc audio speakers. I gave in and got a pair. They installed super easy with no modification necessary.
For tuning the amp I set to hp and the filter all the way down to 35hz I increased the sensitivity to maybe the 10-11 o clock position and I was blown away. They are super clear and crazy loud. I am very impressed with this set up vs what I had. I have a feeling I can increase the sensitivity a tad bit more but figured I was safe here and I can ride around a bit and see how that goes.
All in all thanks for the great suggestion and I am happy I went with these speakers.
 

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Thanks for the response. I went to a couple audio shops that are local and they all pretty much had the same response to the brands listed above that they would highly recommend the new Arc audio speakers. I gave in and got a pair. They installed super easy with no modification necessary.
For tuning the amp I set to hp and the filter all the way down to 35hz I increased the sensitivity to maybe the 10-11 o clock position and I was blown away. They are super clear and crazy loud. I am very impressed with this set up vs what I had. I have a feeling I can increase the sensitivity a tad bit more but figured I was safe here and I can ride around a bit and see how that goes.
All in all thanks for the great suggestion and I am happy I went with these speakers.
Mind sharing what you spent on the Arc Audio 602HD speakers? I saw somewhere that MSRP was going to be around $399 smacks.
 

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I'm lazy, and did not go thru the entire post, but a couple of things to take into account when putting in speakers. These are issues I ran into.

The front speakers cannot have thick mounting rings. That is the area where the screws go thru. I had a problem with thick ones that prevented them from clearing the grills. I tried JBL Stadium GTO620 and they did not fit. I went, instead, with JBL GTO638. These fit, but they are an older model I, luckily, found on eBay.

There is not much depth in the rear speaker pods. Those stock speakers have a very tiny magnet. I tried putting the GTO620's in the rear, but they would not clear because their magnet is humongous compared to the stock one. I put in 1/2 inch spacers and they cleared, but be careful.

Harley was wonderful when they switched the windshield mounts from well nuts (pre-Rushmore) to real screws. But... guess where the well nuts went??? To the rear speakers!!! Those well nuts are fine for the cheap-ass, lightweight, stock speakers, but would not hold the heavier JBL's. I ended up using zip ties to hold in the spacers, and screwed the speakers into the plastic spacers. All is well now.

I have no amp, yet. But these speakers still sound 100%+ better than the stock speakers, in the garage. It needs an amp to hear them on the highway. But I mainly use my in-helmet bluetooth (WHIM) to listen anyway so an amp is low on the priority list.
 

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I'm lazy, and did not go thru the entire post, but a couple of things to take into account when putting in speakers. These are issues I ran into.

The front speakers cannot have thick mounting rings. That is the area where the screws go thru. I had a problem with thick ones that prevented them from clearing the grills. I tried JBL Stadium GTO620 and they did not fit. I went, instead, with JBL GTO638. These fit, but they are an older model I, luckily, found on eBay.
Hey ONG, were you having trouble with the thicker mounting rings on the speakers because they were hitting on the grill clips, or was it the tweeter hitting on the grill? The Kappas (62.11l and 62.ix) both have pretty thick mounting rings (because the baskets are plastic composite instead of metal). I'm surprised that the JBL Stadium speaker rings were even thicker than than.

Another note for potential installers: If you are using a thicker speaker, you will need longer screws to fasten the speakers to the pods. The OEM screws are too short to use for just about anything other than the cheapo factory speakers.
 

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I got them for $320 plus tax
So how do they sound compared to the Hertz MPX 165.3 speakers you were previously running? I attended a MNG with the audio guys over at the "other" forum a couple of weekends ago. One of the guys had a set of the Arc Audio 602HD, and the audio gurus blasted them. Warped baskets, poor construction quality and really didn't like the sound. Interested in hearing another opinion........

Also, did they fit into the Road Glide pods without modification?
 
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