GTS Upgrade
GTS Upgrade
I'm looking to upgrade my 2014 Ultra Limited to the new head unit. I'm running a Diamond HXM amp with Hertz Mille Pro speakers. It's set up with the BT line levelers. The install was done pretty early on when the line levelers were about the only option.
My question is, should I just stay with the current setup and just change the head or are there better options now? I'm seeing discussion about flashing the head for a clean curve. What about a dsp?
Thanks for any advice.
My question is, should I just stay with the current setup and just change the head or are there better options now? I'm seeing discussion about flashing the head for a clean curve. What about a dsp?
Thanks for any advice.
Seasoned HDF Member
Joined: Jul 2017
Posts: 5,749
Likes: 1,603
From: High Point, NC.
I think flashing the HU is a flatter signal than the LL's. Using a DSP for most coax systems might not be worth it. Some may say you can gain something from it, but is it worth the extra money and time to install. I think it really comes down to how you have your system set up and how much you're pushing your speakers.
Stellar HDF Member
Joined: Apr 2007
Posts: 2,339
Likes: 486
From: Nor Cal
I think so, i ditched my LLers for a flash, and it sounds so much better. wish id have done it sooner. no DSP either
Road Master
Joined: Aug 2013
Posts: 1,083
Likes: 157
From: South Central Va
The HU does not need to be flashed if you use a DSP, but it makes tuning easier if you do not have experience with a DSP. You also do not have to have LL's for a DSP if the DSP has high level inputs, like the Dayton Audio DSP. As a matter of fact some people that use the Dayton and had a floor noise issue will use the high level inputs to avoid that problem. Using a DSP on any type of speaker will help it sound better IF tuned correctly, although only marginally on most coax.
Grand HDF Member
Joined: Sep 2017
Posts: 3,835
Likes: 988
From: Southern Virginia
The HU does not need to be flashed if you use a DSP, but it makes tuning easier if you do not have experience with a DSP. You also do not have to have LL's for a DSP if the DSP has high level inputs, like the Dayton Audio DSP. As a matter of fact some people that use the Dayton and had a floor noise issue will use the high level inputs to avoid that problem. Using a DSP on any type of speaker will help it sound better IF tuned correctly, although only marginally on most coax.
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Road Master
Joined: Aug 2013
Posts: 1,083
Likes: 157
From: South Central Va
Floor noise can be reduced more with a DSP than without. Some people were getting noise with the Dayton DSP when using the high level inputs. Possibly there were some that had a grounding issue through the high level circuit. I haven't had that issue yet and I use a lot of Dayton's. The trick is to keep a high input voltage to your amps so you can keep the gains as low as possible. A DSP can help with that. That's also why we recommend aftermarket HU's with a 4-5v or higher output.
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Grand HDF Member
Joined: Sep 2017
Posts: 3,835
Likes: 988
From: Southern Virginia
Floor noise can be reduced more with a DSP than without. Some people were getting noise with the Dayton DSP when using the high level inputs. Possibly there were some that had a grounding issue through the high level circuit. I haven't had that issue yet and I use a lot of Dayton's. The trick is to keep a high input voltage to your amps so you can keep the gains as low as possible. A DSP can help with that. That's also why we recommend aftermarket HU's with a 4-5v or higher output.