Gzcf 6.5 spl
Thread Starter
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Intermediate
Joined: Jul 2021
Posts: 43
Likes: 4
From: Massachusetts
This is also another set attached wiring coming out of the harness that attaches to the HU but is part of the harness that seems to go nowhere.
So i put back the 7.1 in fairing hooked it up to the SD 800.4
Put Kickers in the rear and hooked those up to to the SD 800.4
Now keep in mind i have 1 SD for up front and 1 SD for the rears.
turn the HU up and no cutting out of speakers at all.
the settings in the DSR were all put to flat before with GZ speakers and also with Kickers and 7.1
now i do have an extra input harness that came with the DSR but was told i didn't need to use it because of the harness they had me buy that plugs into the HU.
I've attached pics to help get a better idea
This is the extra plug that i was told not to use
this is the input that is being used coming out of the harness that plugs into the HU
Thread Starter
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Intermediate
Joined: Jul 2021
Posts: 43
Likes: 4
From: Massachusetts
I really believe its the speakers.
Road Warrior
Joined: Jul 2013
Posts: 1,399
Likes: 92
From: ny
Same issue here. I haven't installed the dsp yet because if the sound cutting out at higher volume. I thought the amp was getting hot, so I drilled holes in the amp plate to get to help cool the amp down, and it still cuts out.
Thread Starter
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Intermediate
Joined: Jul 2021
Posts: 43
Likes: 4
From: Massachusetts
Ok...problem solved
Dropped off all 4 GZ speakers late yesterday to have them tested and the speakers are junk.
May have been caused by the settings in the DSP and the tweeters are shot. Don't believe it was because of settings..i did have them set, but what do i know.
At least i know it not the amps..i kinda knew that from the beginning because other speakers worked with them. Now to see if they will warranty them.
still on the fence whether i like the SD compared to the BT4180.
i think it would be less work for me.
if any one is looking to trade I'd might be inclined to do so.
I also was not aware that the SD amps don't have a fan in them like my 4180..i already installed 1 of them in my tour pak..am i asking for problems with it mounted in there.
i did it because i saw some installed in there.
I reached out to the retailer. I was told i can return them but will be shipping at my cost plus a restocking fee, so basically gonna lose about another $120 and still won't have 2 amps.
Seasoned HDF Member
Joined: Sep 2007
Posts: 9,741
Likes: 1,599
From: Danbury CT
Just came across this thread and I've been having the same problem with an ARC Audio Moto 720 amp and GZ Coax speakers. I've talked to ARC and they think it's the tweeters in the GZ's heating up and and putting the amp in protection mode. They shut down from 2 seconds to 8 seconds and then come back on again. I have the amp bridged to the speakers with a techno research flash...ARC support told me they have seen this happen with the GZ's.... I have sent 2 request for support to the Ground Zero support link on their website and cannot get a response for 2 weeks now. I called the vendor that I bought them from and he doesn't have any to replace and said to call back in a month. Not too happy.
Last edited by golfblues; Aug 15, 2021 at 04:08 PM.
Cruiser
Joined: Apr 2013
Posts: 189
Likes: 17
From: Salt Lake City, Utah
Sorry - little late to the party 
. Having the same issue with a DB drive Euphoria EX 4. Thought it was the amp so I sent it back earlier this year and they sent me a replacement - same problem. Never thought about the speakers.
Given the hassle involved with returning the GZ's I'm inclined to try "cutting the coil" to see if it resolves the issue, but I'm not exactly sure what coil we're talking about. I have them hooked up through a DSR1 with the current crossover at 80HZ, equalizer flat.
Can anyone shed light on the coil cutting operation?
. Having the same issue with a DB drive Euphoria EX 4. Thought it was the amp so I sent it back earlier this year and they sent me a replacement - same problem. Never thought about the speakers.Given the hassle involved with returning the GZ's I'm inclined to try "cutting the coil" to see if it resolves the issue, but I'm not exactly sure what coil we're talking about. I have them hooked up through a DSR1 with the current crossover at 80HZ, equalizer flat.
Can anyone shed light on the coil cutting operation?
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Thread Starter
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Intermediate
Joined: Jul 2021
Posts: 43
Likes: 4
From: Massachusetts
Sorry - little late to the party . Having the same issue with a DB drive Euphoria EX 4. Thought it was the amp so I sent it back earlier this year and they sent me a replacement - same problem. Never thought about the speakers.
Given the hassle involved with returning the GZ's I'm inclined to try "cutting the coil" to see if it resolves the issue, but I'm not exactly sure what coil we're talking about. I have them hooked up through a DSR1 with the current crossover at 80HZ, equalizer flat.
Can anyone shed light on the coil cutting operation?
. Having the same issue with a DB drive Euphoria EX 4. Thought it was the amp so I sent it back earlier this year and they sent me a replacement - same problem. Never thought about the speakers.Given the hassle involved with returning the GZ's I'm inclined to try "cutting the coil" to see if it resolves the issue, but I'm not exactly sure what coil we're talking about. I have them hooked up through a DSR1 with the current crossover at 80HZ, equalizer flat.
Can anyone shed light on the coil cutting operation?
I cut the black looking cylinder like off.
and put them back on my SD amp and has seemed to solve the problem.
Let me find a pic i took and I'll repost.
After doing it thought you have to make sure to adjust the settings in the DSP as without it the speaker's dynamics have been changed
Stellar HDF Member
Joined: Jul 2016
Posts: 2,216
Likes: 672
From: Andover, MN
Sorry - little late to the party . Having the same issue with a DB drive Euphoria EX 4. Thought it was the amp so I sent it back earlier this year and they sent me a replacement - same problem. Never thought about the speakers.
Given the hassle involved with returning the GZ's I'm inclined to try "cutting the coil" to see if it resolves the issue, but I'm not exactly sure what coil we're talking about. I have them hooked up through a DSR1 with the current crossover at 80HZ, equalizer flat.
Can anyone shed light on the coil cutting operation?
. Having the same issue with a DB drive Euphoria EX 4. Thought it was the amp so I sent it back earlier this year and they sent me a replacement - same problem. Never thought about the speakers.Given the hassle involved with returning the GZ's I'm inclined to try "cutting the coil" to see if it resolves the issue, but I'm not exactly sure what coil we're talking about. I have them hooked up through a DSR1 with the current crossover at 80HZ, equalizer flat.
Can anyone shed light on the coil cutting operation?
What's your voltage output to GZ's?