Rogers LS3/5a speakers just blown - diyAudio
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Old 10th March 2008, 01:59 AM   #1
jkeny is offline jkeny  Ireland
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Default Rogers LS3/5A speakers just blown

I have just blown these speakers through stupidity - basically I was testing a new mod to a working amp and made internal connections to the wrong place. My stupidity was not testing the speaker cable for DC before hooking up speakers AND not using old test speakers for 1st tests!

Doh!

It is certainly the woofer drive that's gone as I bypassed the crossover to test the drive - haven't tested the tweeter yet!

These are the 15ohm version - does anybody know if I can fix these? I'm sure there are companies in the UK which repair them but the costs including shipping are probably not worth!
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Old 10th March 2008, 02:21 AM   #2
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This is just fate`s way of telling you that you were ready to experience a different set of speakers anyhow. Still, gotta hate it when that happens!

But hey, why are you wasting time fooling with modifying a sand amp anyhow? You know what they say, you can`t polish a turd. (I can take a fun jab at transistors here, this is the Loudspeaker Forum). If this had been a valve amp with output xfmer your speakers would still be alive and well! Also, tube amps respond well to tweaks.
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Old 10th March 2008, 02:31 AM   #3
jkeny is offline jkeny  Ireland
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I know you're right but I just loved the sound of these speakers! Luckily I have some Jordan JX92S drives which need a cabinet - I guess I'll try them in the Rogers cabinet.

But is there any way to recone these speakers myself? Is this a very difficult job?
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Old 10th March 2008, 02:38 AM   #4
Salas is offline Salas  Greece
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Google for Richard Allan LS3/5A recone lab.
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Old 10th March 2008, 03:49 AM   #5
jkeny is offline jkeny  Ireland
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Thanks Salas,
I've sent a couple of emails to Richard Allen & Doug Stirling about recone.
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Old 10th March 2008, 03:55 AM   #6
Salas is offline Salas  Greece
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You are welcome.
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Old 10th March 2008, 09:55 AM   #7
poynton is offline poynton  United Kingdom
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Try Ebay for replacement drives.

If all else fails , sell them on Ebay. I've seen stupid prices for blown LS3/5As


Andy
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Old 10th March 2008, 01:05 PM   #8
jkeny is offline jkeny  Ireland
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Hi poynton,
I have a saved ebay search working for me as we speak but as said these speakers go for crazy prices!

How difficult would this be to fix if it's just the former that has bubbled from the heat? Is this the likely problem or is there more to it than that - the sound is distorting when it goes above low vol or when a bass note hits!
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Old 10th March 2008, 01:47 PM   #9
AMV8 is offline AMV8  United Kingdom
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jkeny
Your best chance will be to try Wimslow-audio. They are probably the biggest supplier of replacement drivers and speakers in the uk.
They have been around for years and will be familiar with your speaker.
Don
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Old 10th March 2008, 01:53 PM   #10
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Quote:
Originally posted by rcavictim
But hey, why are you wasting time fooling with modifying a sand amp anyhow? You know what they say, you can`t polish a turd. (I can take a fun jab at transistors here, this is the Loudspeaker Forum). If this had been a valve amp with output xfmer your speakers would still be alive and well! Also, tube amps respond well to tweaks.
Go on, go the whole hog... tell us cables are valid tweak next.
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