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Amp upgrade
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4
Amp upgrade

So I'm upgrading the audio on my D4 MY2012 as it's probably one of the worst sound systems I've ever come across in a car!

I've worked it out and I have the highline system with 11 speakers.

I've brought a new amp, the premium version from the same era, my question is are the 2 amp the same resistance output, the current amp works with an output resistance of 2 ohms, is my new amp the same or will I require speakers that are 4 ohms +? And are there any other issues I could encounter? I know I will need to update the CCF files which I will need a diagnostic tool for.

New amp model is 8H42-19C164-BB
Old amp model is BJ32-19C164-AG
  
Post #233126425th Mar 2023 8:08 am
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sarumlight
 


Member Since: 06 Nov 2008
Location: Off the Plain
Posts: 1589

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I think you’ll need to add some more speakers, but the ones you have are probably the same. You could check the part numbers. There’s a thread on an Australian forum about upgrading the D4 system here which might help https://www.aulro.com/afvb/l319-discovery-...16-d4.html
  
Post #233127225th Mar 2023 9:07 am
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4

Thanks,

To be fair Im planning on changing the speakers to some after market ones, I was just wondering if I needed to get 2 or 4 ohm impedance speakers, I'll have a play later and get the multimeter out.
  
Post #233127325th Mar 2023 9:11 am
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4

In terms of cables and plugs on the back of a LR amp, there's a plug for power, fibre optic, 2x speakers in plugs then there's a green connector plug with green cables, what's the green plug for?
  
Post #233137326th Mar 2023 10:29 am
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4


Anyone know what this wire is that goes into the green plug on a land rover amp?
  
Post #233305311th Apr 2023 7:18 pm
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