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jimmernet
Member Since: 24 Feb 2016
Location: Bath
Posts: 16
  
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| Disco 3 Logic 7 weedy subwoofer |
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Hi,
Just purchased this car and very happy with it. However I have a problem with the audio, specifically that the bass is really weedy. Changing the "Subwoofer" levels on the head unit makes no difference to the sound at all. So I thought, well the sub is blown or the connectors fallen off. I have removed the sub and tested it on my home system- all good. When I put it back in the car it does actually make a noise, but it's sooo quiet. Tried removing one of the pair of connectors, then the other - (In case it was a phasing issue) no joy still quiet.
So now I'm stumped. I suspect that the control for the sub volume is foobarred and stuck at one level, regardless of what the headunit is saying.
Anyone got any suggestions - any magic way of resetting the whole audio system, or getting into the diagnostics..?
Cheers
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 24th Feb 2016 6:12 pm |
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DaveJLBI
Member Since: 07 Mar 2014
Location: Clare
Posts: 661
  
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/just checking the obvious - if the engine is not running, the stereo (in my case anyway) will be running low power mode?
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| 24th Feb 2016 10:18 pm |
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NoDo$h
Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689
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Definitely not right. Prodigy's "Diesel Power" or Massive Attack's "Angel" usually cause passers by to lose their fillings.
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| 24th Feb 2016 11:28 pm |
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jimmernet
Member Since: 24 Feb 2016
Location: Bath
Posts: 16
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Yep, I have tried cranking up The Donkey, but no difference from low power mode (apart from overall volume from the surround speakers). It's like the sub volume is stuck on minimum. I suppose it's either the Amp, or the head unit, or knowing my luck, both. It certainly wasn't the cheapest bit - the sub itself. No No.
NoDo$h - I had Leftfield's Release the Pressure on full bass, and I spotted a timid bambi deer come along and take a leak on the rear passenger tyre. 
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| 25th Feb 2016 11:53 am |
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CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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Same with my MY11 D4, can only really hear the sub if I fold down the tailgate and put my ear to it. I posted about this a while back and most seemed to think it was just normal behaviour of the Logic 7 setup.
We use Skoda Octavia scouts at work and I can hear the sub on those systems even when running on blues and twos!! 2020 BMW X1 18d XDrive X-Line Auto
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| 25th Feb 2016 3:28 pm |
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parrafin23
Member Since: 04 Dec 2011
Location: Buskeud
Posts: 678
 
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The sub is weak, indeed it is. its not ment to blast your eyeballs out. I have opted for adding another amp for the sub with a line converter. found the 4 wires comming from the amp and spliced em in to a line adapter to RCA connectors. feedin that to a amp. The line adapter I have is a active type, so It needs power to operate.. it has REmote output for the amp. it senses for signals on the input wires to turn on or off the amp. I havent fitted it yet, but I have everything ready to go. This line adapter, a JL1200 mono block. Now I just need to find a location for the amp and get new wires from the battery to the amp, I think I can put it in the boot some where.
Or I can take a nother route.. Yank out the satnav drive and replace it with the amp. or replace the hole entertainment system and go for aftermarket system, and yes I do have HSE with most bus.
I havent decided on what to do yet.
Mr.P
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| 26th Feb 2016 7:59 am |
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jimmernet
Member Since: 24 Feb 2016
Location: Bath
Posts: 16
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Interesting parrafin23 - thanks for your thoughts. The towbar electrics are all quite handy next to the rear light cluster on the passenger side, although the cabling may not be up to supporting an amp. Alternatively the cigarette lighter socket is also around there, and that is switched. Probably going to be the best area to locate an amp also given it's proximity to the sub. Let me know how you get on - good luck!
Incidentally, I have posted about this on another thread and chap a replied saying he fixed his problem by identifying a duff logic 7 amp that he replaced with one from ebay. Also, Apparently some cars went out without the correct "EQ Map" being sent to the amp's firmware. I'm off to have the car in for a service at a stealer shortly. I will ask them, but I'm not holding my breath... I certainly don't want to pay out for a new amp that may or may not make any difference..
It is quite surprising how crap the sub is. They may have got away with it if it wasn't for that completely ineffectual "subfwoofer" volume setting on the head unit.
Cheers
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| 26th Feb 2016 8:19 am |
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DigitalJunior
Member Since: 22 Nov 2008
Location: Cumbria
Posts: 4398
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Something is definitely wrong. Changing the volume of the sub does make a very marked difference in the bass output. The volume of the system overall does go surprising high so the point that you can't listen to it at higher volumes for long. Hope you get it sorted. 
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| 26th Feb 2016 8:50 am |
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CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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Let me know how you get on as the volume control for my sub has virtually no effect at all. I don't want the car to shake but a sub working well enriches the sound system greatly and mine is certainly lacking 2020 BMW X1 18d XDrive X-Line Auto
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| 26th Feb 2016 9:30 am |
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Tanglewood
Member Since: 27 Feb 2011
Location: Wilts
Posts: 1376
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Blue Monday by New Order is a good test of an audio system's capability!
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| 28th Feb 2016 4:56 pm |
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BLFarrar
Member Since: 02 Aug 2006
Location: Deepest, Dankest, Darkest, Dingiest......Le Halifax, West Yorkshire...with strong links to Ireland
Posts: 6222
 
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| Re: Disco 3 Logic 7 weedy subwoofer |
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jimmernet wrote:Hi,
Just purchased this car and very happy with it. However I have a problem with the audio, specifically that the bass is really weedy. Changing the "Subwoofer" levels on the head unit makes no difference to the sound at all. So I thought, well the sub is blown or the connectors fallen off. I have removed the sub and tested it on my home system- all good. When I put it back in the car it does actually make a noise, but it's sooo quiet. Tried removing one of the pair of connectors, then the other - (In case it was a phasing issue) no joy still quiet.
So now I'm stumped. I suspect that the control for the sub volume is foobarred and stuck at one level, regardless of what the headunit is saying.
Anyone got any suggestions - any magic way of resetting the whole audio system, or getting into the diagnostics..?
Cheers
simple question...have you been through the set up controls to see if it switched on ? BREXIT - done properly.
Right now ...We need Government - not Politics
Save the Dipstick Flagbearer-keep it simple, less likely to fail campaign-agenda items:Starting Handles, Acetylene Lamps.
Founder: Dipsticks-R-Us Inc
D3 HSE-perfectly formed, passenger friendly...has real DIPSTICK
Jag XK-but sadly no DIPSTICK...HUGE design fault
FL2 has DIPSTICK..."real comfort in rear seats"
VW Golf wondermobile (?)..has real DIPSTICK
Morris Minor..original DIPSTICK technology..and a real KEY.
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| 28th Feb 2016 7:31 pm |
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omg!
Member Since: 01 Jun 2011
Location: Fife
Posts: 569
 
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My subwoofer works if you put your ear on it but chaning the setting does nothing.
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| 28th Feb 2016 7:45 pm |
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BLFarrar
Member Since: 02 Aug 2006
Location: Deepest, Dankest, Darkest, Dingiest......Le Halifax, West Yorkshire...with strong links to Ireland
Posts: 6222
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its a Sub Woofer...you only get base component of the system sounds BREXIT - done properly.
Right now ...We need Government - not Politics
Save the Dipstick Flagbearer-keep it simple, less likely to fail campaign-agenda items:Starting Handles, Acetylene Lamps.
Founder: Dipsticks-R-Us Inc
D3 HSE-perfectly formed, passenger friendly...has real DIPSTICK
Jag XK-but sadly no DIPSTICK...HUGE design fault
FL2 has DIPSTICK..."real comfort in rear seats"
VW Golf wondermobile (?)..has real DIPSTICK
Morris Minor..original DIPSTICK technology..and a real KEY.
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| 28th Feb 2016 8:54 pm |
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mark c0
Member Since: 22 May 2015
Location: Essex
Posts: 60
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Hi All,
A search led me here......
I have a 2007 D3 HSE with logic 7 and my stereo system WAS awesome, i loved it and the bass was really good BUT BUT BUT its now developed exactly the same fault 
Theres very weak response from the sub, the head unit controls make almost no difference, i have removed the sub thinking it was blown but its working on both inputs but now im relying on front speakers for bass  The sub control on the head unit before made a massive difference but now nothing
Has anyone found the fault? as of 2 weeks ago mines now the same and it was my favorite bits of the car!
Mark
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| 24th Jul 2016 7:51 pm |
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Fatboy Slim
Member Since: 16 Dec 2007
Location: Bridgend
Posts: 197
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Same with my 06 haven't had chance to look into it yet
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| 24th Jul 2016 9:42 pm |
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