Hello all, it's my first post here so I'm really grateful for your help guys 😛
I've got a pair of Rogers LS7 purchased from ebay. The right one has a lot of distortions.
I've swapped tweeters - doesn't change a thing. I've changed amp, doesn't change a thing.
So I suppose thats'w the woofer. Connections are soldered and I couldn't remove them. I'm considering getting a new pair of woofers, but what could go on an LS7 please? I'm based in the UK so I need to be able to source it here.
Many many thanks
Daniel
I've got a pair of Rogers LS7 purchased from ebay. The right one has a lot of distortions.
I've swapped tweeters - doesn't change a thing. I've changed amp, doesn't change a thing.
So I suppose thats'w the woofer. Connections are soldered and I couldn't remove them. I'm considering getting a new pair of woofers, but what could go on an LS7 please? I'm based in the UK so I need to be able to source it here.
Many many thanks
Daniel
Turn the power off and make an inspection of the woofer in the
way that you carefully push the cone and listen if you can hear
any scratching noises. Sometimes helps to rotate the driver
180 degrees. Old units might sag over time and then the voice
coil/former rubbs.
way that you carefully push the cone and listen if you can hear
any scratching noises. Sometimes helps to rotate the driver
180 degrees. Old units might sag over time and then the voice
coil/former rubbs.
Very good info page here by Mark Hennessey:
Rogers Loudspeakers › LS7
Rubbing voicecoils is a known issue with these heavy old polycones. Actually, Lojzek, I'd mark the UP direction with a marker, then rotate the driver 90 degrees to start with.
Replacement of a 200mm woofer is not impossible. This sort of thing might work, but let's hope for the best:
Vifa P21WO-20-08 Diameter 215mm
http://www.wilmslow-audio.co.uk/wa---206-bass-mid-diameter206mm-712-p.asp
You should inspect all electrical connections too. They can break or corrode. Maplin do a £15 40W soldering kit which might help.
Rogers Loudspeakers › LS7
Rubbing voicecoils is a known issue with these heavy old polycones. Actually, Lojzek, I'd mark the UP direction with a marker, then rotate the driver 90 degrees to start with.
Replacement of a 200mm woofer is not impossible. This sort of thing might work, but let's hope for the best:
Vifa P21WO-20-08 Diameter 215mm
http://www.wilmslow-audio.co.uk/wa---206-bass-mid-diameter206mm-712-p.asp
You should inspect all electrical connections too. They can break or corrode. Maplin do a £15 40W soldering kit which might help.
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I found this apropos something else I was looking at, but there is some good advice at this site about sagging old Rogers woofers. Replace the surround if you are lucky:
Rubber surrounds for speaker repair, ordered by size
Of course, we don't know quite what the problem is here. Could be aged electrolytic Non polar capacitors, though coils are usually as tough as old boots. Could just be a dry joint in the soldering.
You should probably listen to the woofer on its own to decide what the problem is. Some disassembly required. It's quite OK to wire a woofer up straight to an amp.
Rubber surrounds for speaker repair, ordered by size
Of course, we don't know quite what the problem is here. Could be aged electrolytic Non polar capacitors, though coils are usually as tough as old boots. Could just be a dry joint in the soldering.
You should probably listen to the woofer on its own to decide what the problem is. Some disassembly required. It's quite OK to wire a woofer up straight to an amp.
Hi guys,
I also have a pair of LS7.
One of them sounds different than the other, less bright.
Do you guys know what's the correct way to remove the woofer?
In other words, how do I open the cabinet?
Thanks
Andre
I also have a pair of LS7.
One of them sounds different than the other, less bright.
Do you guys know what's the correct way to remove the woofer?
In other words, how do I open the cabinet?
Thanks
Andre
Possibly a broken tweeter.
Lie the speaker on its back and unscrew the woofer usually.
Then all is revealed. 😎
OK, sometimes the whole baffle is removeable, but the thing is they built it somehow, so if it's a competent design and serviceable and maintainable, which is not a common aspect of disposeable modern engineering, you can take it apart too. 😀
Lie the speaker on its back and unscrew the woofer usually.
Then all is revealed. 😎
OK, sometimes the whole baffle is removeable, but the thing is they built it somehow, so if it's a competent design and serviceable and maintainable, which is not a common aspect of disposeable modern engineering, you can take it apart too. 😀
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Hi System7,
Thank you for the help.
I know I tried to open them once and it figured the cabinet wouldn't open.
I'll look at it his weekend, although it's not urgent.
I'm using my Rogers LS7 as right and left for the surround system.
For HI-FI, I'm using a different setup with Monitor Audio Gold50, Boothroyd Meridian 101+103, Cambridge Audio Azur 851N and Pioneer PL-15 turntable.
Thanks
Andre
Thank you for the help.
I know I tried to open them once and it figured the cabinet wouldn't open.
I'll look at it his weekend, although it's not urgent.
I'm using my Rogers LS7 as right and left for the surround system.
For HI-FI, I'm using a different setup with Monitor Audio Gold50, Boothroyd Meridian 101+103, Cambridge Audio Azur 851N and Pioneer PL-15 turntable.
Thanks
Andre
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