Warping vinyl

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i have a Falco LP that is super warped. anyone have luck flattening a record in an oven at low heat?

AdamVania (Adam Bruneau), Friday, 8 September 2017 17:00 (six years ago) link

My father in law left my brand new Caretaker ltd edition gold LPs sitting in the sun earlier this summer and now they're ruined. Yay!

brotherlovesdub, Friday, 8 September 2017 17:53 (six years ago) link

Adam, I would not advise the "heat application" method in even the most dire circumstances. It requires super precise monitoring and you will only get good at it through trial and error. The first time you attempt it, you will not be successful. In my experience, two pieces of large glass and a sunny day is the better way to apply the heat method.

But, even then, it's still not very advisable. Because, even though it may "fix" the warp, it will, ultimately, cause more damage.

Look at it like this. . .

The grooves on the vinyl are like jagged mountains:

/\/\/\/\/\/\/\/\

The needle needs to get between these to "read" the frequencies. If you apply heat, it may fix the larger structural damage of the record, but it melt the grooves in ways that you can't see, but you will be able to hear. If the grooves I illustrated above are fine and undamaged, the grooves after the heat application method will look more like:

mλmⱱmmλmⱱmmλmⱱm

And with the needle unable to reach the full length of the grooves, you will get a lot of white noise static. And, if you think about it, this makes sense, as the needle is only partially able to translate those frequencies, so the reception loses its fidelity.

I'm sorry to say, but if you have anything other than a dish warp, your album may be unplayable.

he doesn't need to be racist about it though. (Austin), Friday, 8 September 2017 18:10 (six years ago) link

have heard good things about this:

http://vinylflat.com/vinylflatproducts.html

sleeve, Friday, 8 September 2017 18:12 (six years ago) link

I think this software might be able to recover the recording if you can play it back (but it won't actually fix the record): http://www.celemony.com/en/capstan

DJI, Friday, 8 September 2017 20:57 (six years ago) link

OMG just saw the price for that. Nvm

DJI, Friday, 8 September 2017 20:58 (six years ago) link

i've seen videos of people using the glass + heat method, but they've put sheets of card inside the glass/vinyl sandwich to prevent the grooves getting squished. no idea whether this works or not

i have about twenty warped records i'd love to flatten, so maybe i might experiment with the lower value ones of those

one thing i never understood though is that often when a record warps, it's because it has expanded due to heat - the surface area increases and there's no way of fitting this into the circumference other than deforming into a third dimension. when you squash it flat again, where does this added surface area go? i guess the record becomes less round?

plp will eat itself (NickB), Friday, 8 September 2017 22:15 (six years ago) link

that vinyl flattener is too expensive to own personally, but I'd love it if my local shop bought one and offered it as a service for $5 per record or something

you are juror number 144 and we will excuse you (Sufjan Grafton), Friday, 8 September 2017 22:21 (six years ago) link

yeah someone I know has one and does exactly that

sleeve, Friday, 8 September 2017 22:23 (six years ago) link

if it works, would make sense for use on own inventory as well. thing would pay for itself. probably best to indicate you've done it somehow, though.

you are juror number 144 and we will excuse you (Sufjan Grafton), Friday, 8 September 2017 22:28 (six years ago) link

these things are supposed to be the best but they're even pricier:

http://www.analogueseduction.net/category-631/orb-df-01i-high-end-audio-vinyl-lp-record-flattener.html

think a shop near me has one and you can pay per squish but most of my wonky records probably aren't even worth the few quid they'd charge to do it

plp will eat itself (NickB), Friday, 8 September 2017 22:30 (six years ago) link

£2,000 for this one - you could buy a lot of records for that:

http://www.analogueseduction.net/furutech-vinyl-lp-flatteners/furutech-df-2-lp-record-flattener.html

plp will eat itself (NickB), Friday, 8 September 2017 22:33 (six years ago) link

hmmm, maybe if I run crysis on an old dell laptop and sandwich the record between the keyboard and screen...

you are juror number 144 and we will excuse you (Sufjan Grafton), Friday, 8 September 2017 22:36 (six years ago) link

how rare is this... Falco LP?

niels, Friday, 8 September 2017 23:54 (six years ago) link

I don't think any heat application method is ultimately a good idea because of the reasons I stated above. Just because you can't see the grooves being melted down from clearly defined edges to rounded out, damaged grooves doesn't mean it's not happening. I've done the heat method more times than I can remember and every single time, the record would play through the previously unplayable warp, but with a noticeably increased amount of white surface noise. Not an even trade, in my opinion.

he doesn't need to be racist about it though. (Austin), Friday, 8 September 2017 23:57 (six years ago) link

agreed, if I had to do it I would use one of the devices linked

sleeve, Saturday, 9 September 2017 00:12 (six years ago) link

thanks for the advice all. the record was so warped that there really wasn't any danger in warping it further (it already doesn't play) so i left it in an oven for an hour at low heat. it flattened out quite a bit, not completely, but it's a start, i made progress and at least it didn't completely melt. but the bits where it is most warped are on the edge of the record (Rock Me Amadeus on start of side one) so it's still not playable from the start. if i ever have any luck getting it to play ill report here!

AdamVania (Adam Bruneau), Saturday, 9 September 2017 14:03 (six years ago) link

Might just be better cutting your losses and seeking out another copy at this point.

he doesn't need to be racist about it though. (Austin), Saturday, 9 September 2017 22:23 (six years ago) link

they're practically giving it away at https://www.discogs.com/Falco-Falco-3/master/66093

niels, Sunday, 10 September 2017 08:32 (six years ago) link


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