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glw
Lover of Fine Antigua
Joined: 18 Jul 2005
Posts: 1175
Location: Oxfordshire, Uk
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 Posted: Mon Sep 12, 2005 9:37 am Post subject: |
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| Yeah, it's also bad for a microphone to test it by tapping on it when it's plugged it, but people still do it. |
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1bassleft
Lowdown Cack-hander
Joined: 16 Feb 2005
Posts: 3951
Location: "Hit The North"
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| Posted: Mon Sep 12, 2005 11:03 pm Post subject: |
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That'll be vocalists. The engineers have learned "One, two" but the vocalists are still "working towards that level" as we say in the special needs department.
Ducking for cover...  |
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lee_UK
Rolling Stone No.8
Joined: 04 Feb 2005
Posts: 3386
Location: London, UK
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| Posted: Mon Sep 12, 2005 11:11 pm Post subject: |
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| im still not convinced its damages speakers, has it been scientificaly proved or is it just the Alnico silver bulldog polishing and fluffing set that say its bad to unplug while switched on? |
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1bassleft
Lowdown Cack-hander
Joined: 16 Feb 2005
Posts: 3951
Location: "Hit The North"
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| Posted: Mon Sep 12, 2005 11:46 pm Post subject: |
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I threw the cab's Fanes into a skip when I replaced them with ali cones (ouch, eBay, d'oh!) so I'm not a vintage-sniffer 
I haven't exactly done a paper search, but it's generally accepted that speaker drivers have a useable range (say, 50 - 15,000Hz). If a low frequency noise (the 'dur') is put out at high volume, then the cones have to move a lot. If the vol exceeds the handling, the sine wave ('conehead' shape) becomes more square. Speakers really don't like being told to do these kind of press-ups.
HST, unplugging your guitar lead can be made worse by the rubbishy jack and general wiring standard of a built-to-price guitar. In my ltd exp, a Switchcraft jack snaps back into place like a marine on inspection. By contrast, Korean jack sockets are made of recycled paper clips with a bit of old yoghurt carton added to keep the metal cost down.
When I was testing and changing preamp tubes on the Laney, I got lazy and (deep breath) started yanking the lead from channels 1-6 without touching the volume. I didn't notice a moment's 'dur'. I don't want to sound all "stuff made west of the Elbe river pre 1970 is best" type, but I do think there's something in the idea that better components (costing a few bucks - blame the beancounters) solve a lot of problems. |
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lee_UK
Rolling Stone No.8
Joined: 04 Feb 2005
Posts: 3386
Location: London, UK
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| Posted: Wed Sep 14, 2005 3:43 pm Post subject: |
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| Recycled paper clips and yoghurt cartons, i had to laugh at that one, you do come up with some great one liners, so to sum it up, if you pull the plug from your guitar at low-mid volumes, then apart from a few spilt pints and looks of disgust from the audience, all will be ok with the speakers? but higher volumes runs the risk (who remembers 'run the risk' with peter duncan?) of a possible speaker meltdown? |
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1bassleft
Lowdown Cack-hander
Joined: 16 Feb 2005
Posts: 3951
Location: "Hit The North"
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| Posted: Fri Sep 16, 2005 1:44 am Post subject: |
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| Yesish. Dropping the vol on your guitar has no really useful effect. However, a quick flip of the vol on the amp to zero before yanking out the jack is all you need to do, IMHO. |
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