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Old 08-04-2018, 09:33 AM
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2018 Street glide with 6.5 infotainment system.... I installed a Cerwin Vega B52 amp with Hertz HCX 6.5 in the fairing. i used the biketronics bt355 line leveler... heres my problem... it sound like it under water and muffled.. not clear at all! do i need to have my radio flashed? if so what flash?.. Amp is set on HP as recommended along with the crossover about 80hz
 
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Old 08-04-2018, 09:52 AM
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Originally Posted by 1968gts
2018 Street glide with 6.5 infotainment system.... I installed a Cerwin Vega B52 amp with Hertz HCX 6.5 in the fairing. i used the biketronics bt355 line leveler... heres my problem... it sound like it under water and muffled.. not clear at all! do i need to have my radio flashed? if so what flash?.. Amp is set on HP as recommended along with the crossover about 80hz
U have a wiring problem brother. Triple check all connections and polarities, to include the amp ***** just in case u overlooked something.

Then go back and triple check again!!!

No flash is required with the BT355 and a 2 speaker setup. But a radio reset never hurts.

T
 
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Old 08-04-2018, 09:55 AM
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No flash should be needed. Check your wiring and the hpf/ lpf switch. Does it sound the same set to all pass?
 
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Old 08-04-2018, 12:33 PM
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I checked everything again.... all hooked up correctly.. im at a loss as to why it sounds so muddy
 
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Old 08-04-2018, 12:35 PM
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Was the line leveler purchased new from BT or was it used. If used, it may have had the pots played with.
 
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Old 08-04-2018, 12:38 PM
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Everything was purchased new
 
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Old 08-04-2018, 12:41 PM
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So learning here..if the only speakers are a coaxial, then why hi-pass? Do you really want to limit the lower freq out?

Thanks!!
 
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Old 08-04-2018, 07:13 PM
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Originally Posted by mastergunnera8
So learning here..if the only speakers are a coaxial, then why hi-pass? Do you really want to limit the lower freq out?

Thanks!!
yes. Because 6.5” speaker can not produce the lower frequencies without distorting and possibly blowing the speakers.
 
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Old 08-05-2018, 03:16 AM
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How do you have the speakers mounted? Are they mounted like the stock speakers that came out and using stock grills? If so, then the rubber for the woofer is in contact with the grill and that will cause it to sound muffled. You just may not have a wiring problem. Look down at the top of the pod and you can see if the rubber is touching the grill or not.
 
Last edited by travelingypsye; 08-05-2018 at 04:53 AM.
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Old 08-05-2018, 07:39 AM
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Originally Posted by travelingypsye
How do you have the speakers mounted? Are they mounted like the stock speakers that came out and using stock grills? If so, then the rubber for the woofer is in contact with the grill and that will cause it to sound muffled. You just may not have a wiring problem. Look down at the top of the pod and you can see if the rubber is touching the grill or not.
Agree that you should check this. Some have been able to install the HCXs without rubbing using Boom Stage I/CVO or aftermarket grills like Hogtunes. On my wife’s 2017 they rubbed with the stock and Stage I grills so I ended up installing the BT brackets vice using pod spacers or installing them inside the pods. I haven’t tried the Hogtunes grills so that might be an easier option.
 
Last edited by MMXIWG; 08-05-2018 at 07:41 AM.
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