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Robert SausageTrousers
Monza


Joined: 02 Apr 2018
Posts: 176



PostPosted: Fri Feb 22, 2019 3:31 pm    Post subject: Dash Tweeter Upgrade? Reply with quote

Hi all,

One of the tweeters in my dash has blown, so i'm looking to upgrade them, I've searched here and google and can't seem to find any info on upgrade options and the size etc of the speaker I need to buy, can anyone point me in the right direction?

My car is a 2005 without Bose.
 
  
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Phil 997
Le Mans
Le Mans


Joined: 05 Dec 2015
Posts: 15192
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Fri Feb 22, 2019 6:07 pm    Post subject: Reply with quote

Robert , heres a used OE one ,just in case you needed it

https://www.ebay.co.uk/itm/183682634567

and quite a good read on the subject of upgrades

https://www.6speedonline.com/forums/997/173849-non-bose-replacement-speakers.html

lastly I suggest a PM to member Ducati Rob as he up graded his entire audio set up in his car and should be able to offer some ideas . Thumb
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resigner
Suzuka


Joined: 19 Dec 2013
Posts: 1212



PostPosted: Fri Feb 22, 2019 6:30 pm    Post subject: Reply with quote

There's a good In Car entertainment placein Bishops Stortford which is usually happy to chat and advise. They do a standard upgrade package, but also loads of other stuff...
 
  
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Robert SausageTrousers
Monza


Joined: 02 Apr 2018
Posts: 176



PostPosted: Mon Feb 25, 2019 8:17 am    Post subject: Reply with quote

Thanks for the replies, I had happened upon that thread linked to on my google search but still couldn't find a simple answer to a simple question ~ what size speakers do I need to buy to upgrade the dash tweaters?

Surely I can't be the only person that has blown one?!
 
  
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jl-c
Silverstone


Joined: 22 Jul 2013
Posts: 129
Location: Shropshire


PostPosted: Mon Feb 25, 2019 7:47 pm    Post subject: Reply with quote

Sorry searched and can not find anything else on the subject. As you say somebody must have done it?
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DucatiRob
Albert Park


Joined: 22 Jul 2015
Posts: 1741
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Mon Feb 25, 2019 8:35 pm    Post subject: Reply with quote

Hi Robert, I have been down the road of replacing the complete Bose system in my car, for the front set up I used a Focal 3-way component system, really good quality and great sound. I don't think these tweeters are available on their own and they might not work anyway as they are fed through a crossover and are 8 ohms impedance. Focal do a universal tweeter that that is 4 Ohms that might work. From the dimensions in their tech sheet it looks the same size as the ones I fitted.

https://www.focal.com/en/car-audio/car-audio-kits-solutions/integration/universal/tweeters/twu15

Tech Sheet:

https://www.focal.com/sites/www.focal.fr/files/shared/catalog/document/universal_twu1.5-technical_sheet.pdf

And available from Caraudiosecurity.com or on eBay:

https://www.ebay.co.uk/itm/Focal-TWU-15-Tweeters-Flush-Surface-Tilted-Mount-Car-Tweeters-Speakers-100W/401093560116?epid=4015698685&hash=item5d630a0734:g:VGwAAOSwEVtbyMV-:rk:3:pf:0

Don't worry about the housings, the tweeter itself is separate and is a drop in fitment into the dash if the same size!

Old tweeter


Focal tweeter fitted

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Robert SausageTrousers
Monza


Joined: 02 Apr 2018
Posts: 176



PostPosted: Wed Feb 27, 2019 8:39 am    Post subject: Reply with quote

Hi and thanks for your reply, it's the closest I've got to 'these are what you need, they'll fit, and they'll be powerful enough', but I'm still confused!

The ones' you've linked to on Ebay, as far as you know will they fit and be suitable as replacements for the standard speakers? In an ideal world I'd like upgrades as the standard ones are clearly not man enough for the stereo I have.
 
  
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DucatiRob
Albert Park


Joined: 22 Jul 2015
Posts: 1741
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Wed Feb 27, 2019 9:28 pm    Post subject: Reply with quote

Robert SausageTrousers wrote:
Hi and thanks for your reply, it's the closest I've got to 'these are what you need, they'll fit, and they'll be powerful enough', but I'm still confused!

The ones' you've linked to on Ebay, as far as you know will they fit and be suitable as replacements for the standard speakers? In an ideal world I'd like upgrades as the standard ones are clearly not man enough for the stereo I have.


Robert, really hard to give you a definitive answer re fitment! Although they are different tweeters to the ones I fitted (mine are part of a 3-way system) I would guess that they are the same basic item, re-worked as a 4 ohm universal. They come with the same type of housing options, the angled plastic thing and the flush mount with the grille. Neither of these are needed anyway as the tweeter unit is removed from the housing (snap fit) to mount in the dash.

I have measured the Bose tweeter and it is a 40mm fitting, unfortunately the drawing on the tech sheet only gives dimensions of the housing, 44.4mm, but this suggests the tweeter unit is the same - 40mm fitting!

What I don't know is what the impedance of the Bose tweeter, I will check tomorrow, the bass and mid units are 2 ohms, I doubt the tweeter will be the same, if so this might be a problem!

The other thing to be aware of is the Bose tweeter has a basic crossover attached which is just a simple capacitor. This can be easily removed and soldered to the Focal tweeter!

Porsche don't make things simple I'm afraid frustrated
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Robert SausageTrousers
Monza


Joined: 02 Apr 2018
Posts: 176



PostPosted: Thu Feb 28, 2019 8:28 am    Post subject: Reply with quote

I really appreciate your help. To make it clear, my car is a non-bose so just the standard speaker set up.

I'm really shocked to find that there isn't a huge amount of people who've had this problem before, and gutted to find out that it's not just a simple fix. Amazing when you consider these cars are 14 years old now! I commute 2hrs a day so the blown speaker is really spoiling my enjoyment of the car, I was hoping for a quick fix!
 
  
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DucatiRob
Albert Park


Joined: 22 Jul 2015
Posts: 1741
Location: Milton Keynes

2006 Porsche 997 Carrera 2S

PostPosted: Thu Feb 28, 2019 6:28 pm    Post subject: Reply with quote

Robert SausageTrousers wrote:
I really appreciate your help. To make it clear, my car is a non-bose so just the standard speaker set up.

I'm really shocked to find that there isn't a huge amount of people who've had this problem before, and gutted to find out that it's not just a simple fix. Amazing when you consider these cars are 14 years old now! I commute 2hrs a day so the blown speaker is really spoiling my enjoyment of the car, I was hoping for a quick fix!


I can imagine your frustration Rob, it would drive me mad too! I suppose that a blown tweeter is fairly unusual, it is probably more common for the mid or bass to blow first!

Some good news at least, have measured the resistance of the tweeter, 3.8 ohms so they are 4 ohm units, only thing you need to check is that the tweeter is the same one as I have which is a Bose unit, they are easy to remove, just pry the plastic grille out and pull the tweeter out, they are retained by the moulded in clip you can see in my pic, which if I remember just move out the way with a screwdriver!
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