Group Buy Interest?

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I'm not upset at all about the TCM-3 situation. Even with paying to have it reribboned and swapping out transformers, it's a great deal.
 
I wonder if the ribbon shrinkage has anything to do with temperature. When I got my mics they were very cold. (I live in the northeast.) I was home for lunch the day the boxes came and I didn't have time to open them. The boxes sat indoors for a few hours until I came home from work again. When I did open them the mics inside were still real cold. I guess they sat in a cold warehouse the night before.

I wonder if the stretched ribbons are all happening to people who live in the colder regions.
 
Well...
Metal contracts when cold, and expands when hot....
Unless it was really cold in China when they tensioned it, it would not expand enough to sag in your climate.
I guess it would make more sense that they were assembled in a hotter place. It would then make them tighter in a cold environment, unless the cold caused the clamping mechanism to loosen and the ribbons came loose.

In other words.... heck if I know!
 
tmix said:
Well...
Metal contracts when cold, and expands when hot....
Unless it was really cold in China when they tensioned it, it would not expand enough to sag in your climate.
I guess it would make more sense that they were assembled in a hotter place. It would then make them tighter in a cold environment, unless the cold caused the clamping mechanism to loosen and the ribbons came loose.

In other words.... heck if I know!
Click to expand...
No, I am saying that while cold, it stretches out at the corrugations and then when it warms up, it does not unstretch. Hence, the sagging begins.
 
OK
I am sorry, I see what you are saying now.
Yeah, if they were tensioned and then they got real cold the contraction might stretch the corrugations out.

I wonder how thin the ribbon is? .006 inches or .0006 inches?
I get all kinds of aerospace materials here at work (aluminum, steels/titanium etc) but nothing probably light enough to make a ribbon less than probably .005 thick.
 
It's an interesting theory to think about, but I have a hard time imagining the change being so great as to make the corrugations flatten out, even a little bit. That's a LOT of movement...but I could easily be wrong. It's a thought experiment at this point, after all.

By the way: I live down Route 15 in Maryland, RawDepth, and I got my mics a little over a week ago. The weather wasn't too awfully cold then (not like it is NOW!), and I have some sag in my ACM-3 (my ACM-1 was perfect). The evidence seems to show that the sag is more present in some models than others; maybe that has more to do with the design and fabrication of those models, and not other issues. Just a guess...

By the way--despite the sag in the ACM-3 I have, it sounds fine.
 
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tmix said:
OK
I am sorry, I see what you are saying now.
Yeah, if they were tensioned and then they got real cold the contraction might stretch the corrugations out.

I wonder how thin the ribbon is? .006 inches or .0006 inches?
I get all kinds of aerospace materials here at work (aluminum, steels/titanium etc) but nothing probably light enough to make a ribbon less than probably .005 thick.
Click to expand...

0.00008 inches
 
I have a bunch of Beyer ribbons (130, 160, 260, 500) and an AEA R84.

Temperature change has never been a problem with any of them. Maybe they use different ribbon material, but it seems that ribbon mics can be designed so that temperature is a non--issue.
 
I feel better to know that I am not the only one who didn't get a paypal request. I am still patient about it.

T.
 
Chris Long said:
It's an interesting theory to think about, but I have a hard time imagining the change being so great as to make the corrugations flatten out, even a little bit. That's a LOT of movement...but I could easily be wrong. It's a thought experiment at this point, after all.

By the way: I live down Route 15 in Maryland, RawDepth, and I got my mics a little over a week ago. The weather wasn't too awfully cold then (not like it is NOW!), and I have some sag in my ACM-3 (my ACM-1 was perfect). The evidence seems to show that the sag is more present in some models than others; maybe that has more to do with the design and fabrication of those models, and not other issues. Just a guess...

By the way--despite the sag in the ACM-3 I have, it sounds fine.
Click to expand...

Maryland? Cool, you may not be too far away. I live in Dover. You know, that little town that battles over teaching creationism or evolution in the high school. (Only I don't have any kids in school so, I just stay out of that.)
 
I'm back from Chicago and all thawed out and am a "packing madman"
I will be sending PP requests every day this week.
 
Chance,

Heard anything back from the manufacturer on the ribbons?

Also... sent you a PM a while back. :)
 
I sent a lot of PP requests out last night. This is blowing my mind the cost of shipping to Italy, the UK, Austrailia, and Canada. In any future GB, it might be a great savings to have all orders to other countries sent directly from China. This would save paying double duty and double shipping. China will ship direct but their only requirement is that the payment for the products must come from one source which is TMW. An example of this is a recient order I sent to Austrailia. This guy paid for his mics (which included shipping from China and duty into the USA) THEN the shipping from here to Austrailia was $299.00. Theres something wrong with this picture. Theres got to be a way to save some of that cost. I am open to any suggestions that will save some money.

On another note, my LA rep is in China now and am waiting for their resolution to our "ribbon sag" problem. I feel confident they will resolve this. I will post as soon as I get this info.
 
chance said:
I sent a lot of PP requests out last night. This is blowing my mind the cost of shipping to Italy, the UK, Austrailia, and Canada. In any future GB, it might be a great savings to have all orders to other countries sent directly from China. This would save paying double duty and double shipping. China will ship direct but their only requirement is that the payment for the products must come from one source which is TMW. An example of this is a recient order I sent to Austrailia. This guy paid for his mics (which included shipping from China and duty into the USA) THEN the shipping from here to Austrailia was $299.00. Theres something wrong with this picture. Theres got to be a way to save some of that cost. I am open to any suggestions that will save some money.
Click to expand...

It's usually cheaper to ship USPS overseas than FedEx. If you're already doing that, though, then I don't have any suggestions other than perhaps regional dispatch (one point for Europe, one for AU/NZ, one for Asia, one for the U.S., etc.).
 
I just realized that there are 4 orders that I sent requests to back when the mics first came in. I have sent many reminders, but never get a reply. Wa'sup?
 
Not to sound like a broken record here or anything but I'd be more than happy to help cover the cost if anyone has, for whatever reason, not been able to follow through on their end. Up to and including covering what they've already sent and covering the rest so that chance can reimburse them should they ever resurface. You know what I mean. You do good work, Sir. Looking forward to future GBs.
 
dgatwood said:
It's usually cheaper to ship USPS overseas than FedEx.
Click to expand...

Thats what I thought too, but the last order that I sent to Austrailia, USPS and UPS wanted over $400.00 and Fed ex was $299.00 (with my NAMM discount)
 
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