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by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Jul 2014
Posts: 1,767 Likes: 21
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jul 2014
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very neat job Stewart - looks (and sounds ,I bet) great  James
Aero8 , Series 1 - Boston Green
RR Evoque P300E Autobiography
Smart Brabus Convertible
Monkey Z125
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Joined: Mar 2009
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Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
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regards the 125 hz roll over point.
Are you setting this in the head unit or through a filter in the sub itself ?
I would start with finding the sound curve of both drive units and tailoring it from that.
If it is in the head then it will depend on the range of the focal vs the sub + if the sub is self/alternatively powered.
If it is separate powered I would be inclined to let it have more range and let the focal drive the lower/upper mid more closely.
The Focal are a good size and power so can go deep I would imagine?
I set my sub to come in lower (100hz) simply because I used to listen to drum'n'bass so it had a lot of bass and I wanted to let it work on the low notes.
More general music seems better if you bring the Sub in higher and let the other units focus higher up.
May I ask where you got the head unit from for that price? It looks like a very nice unit.
Also if you want to give the head unit more power support it might be worth putting one of the power supply smoothing capacitors in line with the power feed, These give it a great reservoir but more transient performance for the inbuilt amp. It's not worth going up to the maxpower sizes but I did have one put on the head unit of my Volvo and it made the mid-range a lot better and more clear generally.
Oh and dynamat is lovely even if it costs a fortune!
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Feb 2016
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Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,688 Likes: 414 |
Neat installation Stewart but you say you took power for subwoofer direct from battery. Can I ask what control you have for turning subwoofer power off when car/radio not in use? Hopefully the supply has its own suitable fuse as well.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Nov 2018
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Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
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Usually a sub has an on/off powered by the antennae feed from the head unit (blue wire)
Last edited by TBM; 09/08/20 12:40 PM.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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Joined: Sep 2009
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Talk Morgan Guru
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Talk Morgan Guru
Joined: Sep 2009
Posts: 7,435 Likes: 122 |
Neat installation Stewart but you say you took power for subwoofer direct from battery. Can I ask what control you have for turning subwoofer power off when car/radio not in use? Hopefully the supply has its own suitable fuse as well. Alternatively to the missing fuse, the subwoofer plays "Light my Fire" once. 
'14 4/4 graphite grey
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Joined: Jun 2014
Posts: 11,616 Likes: 43
Wave & smile... It's a Morgan Member of the Inner Circle
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OP
Wave & smile... It's a Morgan Member of the Inner Circle
Joined: Jun 2014
Posts: 11,616 Likes: 43 |
Neat installation Stewart but you say you took power for subwoofer direct from battery. Can I ask what control you have for turning subwoofer power off when car/radio not in use? Hopefully the supply has its own suitable fuse as well. Yes the power cable comes with a 10Amp fuse holder and the head unit has a blue control wire which is connected to the sub so the sub takes power direct from the battery with a 10amp fuse and the control cable from the head unit turns it on and off
2008 XXVII Platform, Bugatti Blue Roadster 4 Seater
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Joined: Jun 2014
Posts: 11,616 Likes: 43
Wave & smile... It's a Morgan Member of the Inner Circle
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OP
Wave & smile... It's a Morgan Member of the Inner Circle
Joined: Jun 2014
Posts: 11,616 Likes: 43 |
regards the 125 hz roll over point.
Are you setting this in the head unit or through a filter in the sub itself ?
I would start with finding the sound curve of both drive units and tailoring it from that.
If it is in the head then it will depend on the range of the focal vs the sub + if the sub is self/alternatively powered.
If it is separate powered I would be inclined to let it have more range and let the focal drive the lower/upper mid more closely.
The Focal are a good size and power so can go deep I would imagine?
I set my sub to come in lower (100hz) simply because I used to listen to drum'n'bass so it had a lot of bass and I wanted to let it work on the low notes.
More general music seems better if you bring the Sub in higher and let the other units focus higher up.
May I ask where you got the head unit from for that price? It looks like a very nice unit.
Also if you want to give the head unit more power support it might be worth putting one of the power supply smoothing capacitors in line with the power feed, These give it a great reservoir but more transient performance for the inbuilt amp. It's not worth going up to the maxpower sizes but I did have one put on the head unit of my Volvo and it made the mid-range a lot better and more clear generally.
Oh and dynamat is lovely even if it costs a fortune! Got the head unit from CEN car Audio in Nottingham via eBay as they were the cheapest at £250. Everywhere else was about £300 The head unit has the filter settings so my thought was to cut the Focal speakers at 125 hertz so that all the power is going to the Focals for mid and high and the sub handles everything lower it I take your point and I’ll experiment at 100 and see what it sound like The sub has a separate gain and frequency dial so I’ve set the frequency to 125 and the gain about 60% It sounded great driving up to Penrith for today’s FellMog picnic but I think I will experiment further when I get back home. There are loads of EQ settings and I can do a set up using a microphone placed on the headrest to get a better balance
2008 XXVII Platform, Bugatti Blue Roadster 4 Seater
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Joined: Sep 2014
Posts: 2,310 Likes: 5
Talk Morgan Expert
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Talk Morgan Expert
Joined: Sep 2014
Posts: 2,310 Likes: 5 |
What was wrong with your car Stewart?
" I LOVE THE SOUND OF THROTTLE BODIES IN THE MORNING " (ROBERT DUVAL IN "APOCOLYPSE NOW " )
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Joined: Jan 2009
Posts: 5,945 Likes: 28
Charter Member
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Charter Member
Joined: Jan 2009
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If you can hear the audio then you need a new exhaust.
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Joined: Jun 2014
Posts: 11,616 Likes: 43
Wave & smile... It's a Morgan Member of the Inner Circle
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OP
Wave & smile... It's a Morgan Member of the Inner Circle
Joined: Jun 2014
Posts: 11,616 Likes: 43 |
What was wrong with your car Stewart? Nobody knows but whatever it was, it’s sorted itself for now Just done 100 miles in it and it didn’t miss a beat Matty at Lifes did a thorough check and followed up on the fault codes but couldn’t find anything
2008 XXVII Platform, Bugatti Blue Roadster 4 Seater
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