xusnatc
Junior Member Join Date: Feb 2010
Location: Virginia
Posts: 10
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I agree,..........that's the kind of info we all need to hear. CarGuy,....Let me paraphrase what you said,....."so what your saying is J&M's 7.25" speakers are worthless on a Road Glide ? LOL
I didn't say the speakers were worthless. I've owned a Street Glide and two Road Glides and between them I've tried a least a dozen different speakers and the 7.25" J & M's are by far the best sounding. On the Street Glide with speakers right in your face made the best sound and volume I've ever heard on a bike.
Because of the distance from the speakers and rider it's not as loud as I would like. It's not the speakers fault as they will only produce as much sound as the power behind them. There was no distortion at full volume so I would think an amp would do the trick and make these speakers rock.
The newer Harley radios are set up at 2 ohm impedance. The amp I have (ARC KS 125.2 MINI) pushes 125 watts per channel at 2 ohms. The new J&M speakers (standard and larger variations) for the later Harley radios (2006 & later) are spec'd at 2 ohms and 140 watts per channel. They are more than capable of handling the power of the ARC amplifier. When I had the smaller 2-way J&M's, they worked fine. Based on that, my assumption is the larger speakers should work even better. I doubt you will blow them out or anything. AND the power increase over the stock radio is dramatic.
As Carguy said, the RG speakers are set up further from your ears so they won't be as loud as a SG/EG setup. Add to that, the speaker opening is slightly smaller. IMHO, an amplifier is a must if you really want to reach any speaker's potential. Running them without an amp is okay. But so are french fries without ketchup. The ARC amps are not cheap. But they do work very well. And they are small. Once you have an amp you will never go back to not having one. Trust me on that.
Another thing that helps is having an adequately sized windshield. The cut-down windshields look cool, but the wind buffetting will be noisy, thus compromising your stereo sound. I formerly had a 12-inch Klock Flare. It was okay. When I went to a medium sized Clearview (BTW, also flared), the difference in the wind noise was dramatic. With the Clearview, it seemed as though my speakers added an additional 20-30 watts. I wouldn't even consider going back to the shorter shield (please note that Klock has since added a taller windshield to their line-up - perhaps this would make a difference. However, I haven't used it so I can't comment on that). A stock Harley windshield should give you a similar amount of wind protection as a Clearview, but you lose the downforce benefits of the flare shape. And the "cool factor" is also less...
Does anyone know if the acoustic pads that J&M sells really make a difference? I can't see how they would, as a moving motorcycle is far from an optimal audiophile environment. But some info from a person who really uses them would be nice.
I hope this helps.