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YOUR RESEARCHInstalling Hertz DCX 100.3 speakers in the dash
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Use these in my car
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Performed · outcome unconfirmed
Just one thing I'm not sure about after reading this and the other speaker threads - can I use these in my car which has the full Bose factory kit?
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Suggestion · Original poster
My next task is to teach myself basic CAD and create a digital version of this ring that can be run off using a 3D printer, as I have more of these to do and I don't want to have to cut up a speaker each time.
Leading evidence: 'Use these in my car' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'selling them would not be worth the return' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Run off' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suspected cause · Original poster
There's an argument for doing that - I've got no use for the old speakers, and they'll likely all go in the bin as I suspect selling them would not be worth the return.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion · Original poster
My next task is to teach myself basic CAD and create a digital version of this ring that can be run off using a 3D printer, as I have more of these to do and I don't want to have to cut up a speaker each time.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion · Original poster
A quick test would be to unscrew one of your speakers and see what it is, of course.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion · Original poster
My next task is to teach myself basic CAD and create a digital version of this ring that can be run off using a 3D printer, as I have more of these to do and I don't want to have to cut up a speaker each time.
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Run off
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Suggestion · Original poster
My next task is to teach myself basic CAD and create a digital version of this ring that can be run off using a 3D printer, as I have more of these to do and I don't want to have to cut up a speaker each time.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
My next task is to teach myself basic CAD and create a digital version of this ring that can be run off using a 3D printer, as I have more of these to do and I don't want to have to cut up a speaker each time.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
selling them would not be worth the return
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Suspected cause · Original poster
There's an argument for doing that - I've got no use for the old speakers, and they'll likely all go in the bin as I suspect selling them would not be worth the return.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261027T031046Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I wanted a bit more clarity and a lot more oomph from my stereo - my old ears are struggling to hear the finer points of dialogue in The Archers when I have the roof down and a good B road to charge down.
The Hertz speakers I am using were recommended in the speaker thread, I've not yet listened to them but hope that they are good.
With that said, I suspect this method will work with any comparable speaker.
The stock speakers are Nokia/Haes 4ohm, and are fairly "built to a price", to my eye at least.
The speaker is attached with three screws, two pictured here:
And a single one at the opposite side here:
Potentially a thousand plagues lurks in this speaker mesh:
The accused:
Note the three attachment points:
There's an interesting cut-out here, by the single attachment point, which gave me an idea (more on which shortly):
This is the new unit:
I cut away the speaker from the retaining ring:
I then cut three further cut-outs in the retaining ring, spacing them equidistant from one another, meaning that there were then four cut-outs, which meant that the new speaker could drop in and be held firmly:
It's not going to fit into the grill with those tabs, so they need to be edited:
Then simply refit the retaining ring with its new passenger:
This screw barely bites into the metal tab which retains it, I'll use a longer screw if I can find one:
Old and new:
My next task is to teach myself basic CAD and create a digital version of this ring that can be run off using a 3D printer, as I have more of these to do and I don't want to have to cut up a speaker each time.
There's an argument for doing that - I've got no use for the old speakers, and they'll likely all go in the bin as I suspect selling them would not be worth the return.
Cutting the retaining rings out would therefore be getting the most use from them.
However, I'd quite like to learn Fusion 360, and play with a 3D printer, so this is a decent excuse.
Nice work Neil. 8)
You can get speaker blanks that fit into the grilles exactly the same as the old speakers did. You can then cut them and fit new speakers to those.
Part number - 996.645.049.02.01C £19 each. That's a bit rich though but typical Porsche. If you can make some cheaper then that's good. :thumb:
They're the exact speakers I'm going for in the new year. I'm hoping they'll be enough of an upgrade but if not I'll add a powered amp in the front or rear footwell.
I'd rather not as its extra weight and I'm usually too busy driving to listen to music. Road trip with the wife necessitates better sounds though.
Looking forward to your verdict.
Nice Job :thumbs:
Here's a very similar video walkthrough someone else has made to show how to up cycle an old set of 986/996 speakers to make adaptors for a replacement set
https://www.youtube.com/watch?v=W0LPyCoq5k8
Nice job and write up Dammit
Just one thing I'm not sure about after reading this and the other speaker threads - can I use these in my car which has the full Bose factory kit?
I'm 99% I can but don't want to order them until I'm 100%. Wife wants to know what I want for a Christmas...
Thanks
Nice job and write up Dammit
Just one thing I'm not sure about after reading this and the other speaker threads - can I use these in my car which has the full Bose factory kit?
I'm 99% I can but don't want to order them until I'm 100%. Wife wants to know what I want for a Christmas...
Thanks
I had watched that one, I thought it made sense, just wanted it to be a little neater and with greater retention of the speaker - that chap uses glue, whereas if you cut out bits of the retaining ring for the ears on the speaker it holds it firmly in place with no requirement for a bonding agent.
I believe that you can - hopefully someone else will weigh in, but my understanding is that the MOST fibre optic stuff is between the HU and the amp/s, with the speakers all fed via standard metal wire.
A quick test would be to unscrew one of your speakers and see what it is, of course.
I believe that the Bose speakers are a lower impedence than your normal 4 Ohm versions.
Think they are only 2 Ohm. They should be marked when you take them out.
Get a Torx driver and pull one put, it's marked quite clearly on the base of the magnet.
If it's indeed the case that Bose/MOST systems are 2 ohms for all the speakers then I'll happily buy a pair of 100.3's off you, and I imagine someone else will take the others - then you can buy a set that will work (if they are available).
This is a source reference. Confirm exact model applicability in the original material.
