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Joined: Nov 2011
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Talk Morgan Guru
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Talk Morgan Guru
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Originally Posted by Robbie
Neither am I,Jon. Surely it can’t be too difficult to give proper instructions for use and adjustment! Also we need advice as to how to get radio as well as Bluetooth music - it’s a €100k purchase here in ireland after all!!

Cheers!

Very frustrating isn't it....


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It is a feature


JohnV6
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Richard it could also be because the bluetooth amp that drives four channels does not expose/declare a control that lets you adjust front/rear?
So the smaller speakers fail to match the rear if they are different?

Just a thought.

If we can find the unit, the name and model then there is a chance that there is an App that will allow detailed setup that may assist?

Are you able to find the device type?


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Talk Morgan Guru
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Originally Posted by Alistair
Richard it could also be because the bluetooth amp that drives four channels does not expose/declare a control that lets you adjust front/rear?
So the smaller speakers fail to match the rear if they are different?

Just a thought.

If we can find the unit, the name and model then there is a chance that there is an App that will allow detailed setup that may assist?

Are you able to find the device type?

Exactly that yes, and doubt there are any configurables given what has been gleaned from the factory.

Last edited by RichardV6; 08/05/21 07:17 PM.

Richard

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As always I write first and it takes a week or so for my brain to catch up.

I should have been more specific. When I refer to declaring a control I am talking about over Bluetooth rather than having a knob on it just in case I explained that badly. Is there any way you can find out a make or model of the box? Photos? What it broadcasts on BT when you go to connect to it?

Last edited by Alistair; 08/05/21 09:19 PM.

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Talk Morgan Guru
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First of all, one has to know what MMC has installed. If it is a 2 channel amplifier, then you have no fader. If you would connect 4 speakers to the two channel amplifier (without fader control - and two speakers per output) then you have to be careful that the total impedance does not fall to 2 ohms. Because then you can listen to 5 minutes of hot music before it grills the amplifier.


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Talk Morgan Guru
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I imagine audio electronics is not MMC's niche skill. Nothing mentioned so far suggests other than two channel amplifier and haven't seen any bluetooth hookups that stream other than two channel audio anyway. If so absolutely no chance of external fader.

Heinz's impedance comments are relevant if front and rear speakers are just paralleled up to amplifier each side. Not just for total impedance load but, as already mentioned, for power transfer to each if front and rear speakers have impedance mis-match.

Simplest way to gain the flexibility CX owners appear to seek may be to junk the factory amp and fit Bluetooth/DAB car radio allowing dedicated connections to all four speakers.


Richard

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There are a lot of companies starting to make specialist out of sight equipment for all the retro and resto stuff out there.

http://www.outofsightaudio.com/ Type 3 is ideal for example.
https://www.amazon.com/Remote-Control-SECRETAUDIO-Hidden-Stereo/dp/B00T8AK7AG
https://rockfordfosgate.com/products/details/pmx-8bb/ (Marine capability for those wet drives)
https://www.memphiscaraudio.com/product-page/mxamcapp-app-controled-headless-source-unit

As you say I doubt the factory wants to spend £500k with Naim working out how to make it perfect in an open top car. However it takes little to get a specialist car audio company to work with you for a week, I would imagine they did that at least. CX is a big step for them and replaced Aero and Trad so they could not have skipped that step?


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There is a free MMC upgrade on the way boys... flyingpig

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With all the voices in my head could I please have a pair of them setup for headphones?


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