If you've found some I'd like to know where.

 

If he is running a rushmore setup with LL, what I I do is adjust the input gain on LL first to get the max input just under the clipping. Then tune the gains to optimal last adjust the eq to fine tune the x over in the amp. Right now on mine with the motos up front and the milles in the back, I have the amp running full pass on front/rear. The front eq is set about 1/4 to 1/3 and the rears no eq adjustment as the milles sound superb without any eq.

 

Gann is like Carnac the Magnificent!!!! He knows all.

 

I'm starting to believe that too. geeezzzz...... BTW telling your age now. I will bet there are some here who will look up Carnac to see who he is.......just saying.

 

 

You know Gypsye the funny thing is I did dial the gain down on that channel a little bit and at high volume they distorted and triggered the protection shutdown of the SS PN4.1000d. When I bumped the dial back up towards 11:00 the problem went away. I just use the fader to control them since they are on their own on the front channel.

 

ok? I have not played with that amp yet on a rushmore using the LL. I have only used it in pre rushmore and never seen it go into protect mode. To my understanding ging into protect mode is to keep it from over heating and dialing back the gain should (operative word) should cause less heat instead of more. Bazaar and I cant explain that. Maybe one of the gurus who has more experience with this amp will chime in. Sorry I don't have an answer for that.

 

I suspect the issue was not enough power. If you under power a speaker you can get distortion as well I guess. With the gain turned back up it didn't distort so there was no problem.

 

Have you had the BT 4250 on your bike with different speakers? Are you basing this conclusion on the Focal Sport amp and the WD X6 Motos at 103.5 sensitivity. Very hard to have a speaker with that high a sensitivity rating sound musical and accurate. I have the 4250 on my bike with SE Legatia 6.5 mid bass and Clarus tweets (HAT's) in the fairing and DD VO 6.5 in my lowers, and the Pioneer DEH with a 16 band E-Q. The 4250 make both speaker sets sound fuller and hit harder with great mid bass, and with great detail. If anything the mid bass hits harder and is cleaner then with the 4180! The highs are accurate and not ear piercing, I use the E-Q to tame the screeching guitar solos running most of the upper setting flat or close to it. I set the HP filter at 80 HZ with a 12 db slope, -1 gain, with great results! Guy's on here have been throwing 200 watts or more at certain speakers... Arc 602's, AW'6.5's and BT Pro's (HAT's) to name a few, for years with great results! So far I like the 4250, for clean detailed power!

 

I have not tried the bt 4250 but I have heard a 4180 before and just not a big fan of bt amps or speakers. I have no doubt that your system sounds fantastic and I would love to it someday. I did have the focal sport and tried hertz mpx and hcx along with some arc 602's, and a set of polks mm651's I had laying around and the wdx 6 motos I am running right now. I could not get any of them to sound as good with that amp as I did with the tm 400x4ad I have right now. I had a problem with the focal as the 2/4 channel was bad. As long as I had the amp in 2 channel mode, all was well. When I flashed the hu for fade and switched the focal to 4 channel input, the front left went dead. I had to send it back and the only thing I had on the shelf was the tm400. It sounded much better than the focal with 6.5 and the mpx 6x9's I have in the back as Gann can testify too after he heard it.. I have read over and over again about how their speakers sound tinny or have no lows. As you know tweeters/horns can take a bunch of power and just keep on going. (sometimes piercing). Full range woofers on the other hand distort as we try to push them with power to get the sounds we want. I have found that with less power to the mpx, hcx, arc 602's and the wdx motos all sounded better and had a warmer sound with more mid bass. I blew up the polks and the 1st st of arc 602's with the focal so was unable to throw them at the tm400 but I already know how the polks sound.

Whew, I hope you or anyone else doesn't get a headache from reading this. My purpose with this is to help the average joe build a good sounding system with a budget they can afford. I have found that a ton of power doesn't always sound as good with certain setups as a less power plant will under the hood. I will probably go pro set up some day but I'm having fun trying different coax speakers as most of the guys looking to up grade are also looking at.