I worked in a factory making injection molded plastic items, which I presume the mic cases are. If the machines are not adjusted properly -- temperature, pressure, dwell, cooling, etc., it's possible to make parts that are extremely brittle. Sometimes the stress of assembly and shrinkage over time causes them to break spontaneously.

I remember an incident in which an engineer demonstrated a prototype to an important overseas client -- and it broke in his hands. Very embarrassing.

73,
Victor, 4X6GP
Rehovot, Israel
CWops #5
Formerly K2VCO
https://www.qsl.net/k2vco/
On 04/09/2021 0:35, Don Wilhelm wrote:
Ian,

Elecraft has had a 'rash' of those incidents, but I thought they addressed that with the mic vendor (yes, Elecraft does not stock parts for the mic, they buy them whole from the vendor).

There was some speculation a few months ago about the cause -- and I don't know the answer.  Many thought the vendor may have overtightened the screws, or there was a bad batch of plastic.

The MH4 does not have that problem as far as I know, and it is the same case style.

I hope you hear something from Elecraft soon, but Labor Day holiday is Monday, so send another email to [email protected] as soon as possible today - I know it is late in the day for you.

73,
Don W3FPR

On 9/3/2021 5:00 PM, Ian Liston-Smith wrote:
Goodness! Thanks for all the replies where you've had the same happen. It's extremely disappointing that Elecraft ended up selling an inferior product for so much money - especially if they are not going to sell spare cases. Seems this is a very common problem and not just me being clumsy.

My mic will be under warranty, but I doubt Elecraft will pay the return postage from the UK, and anyway they're likely to say it's been mishandled and not covered under warranty anyway - despite this obviously being a common problem.

Maybe someone from Elecraft could reply here as I've still not had a reply to my email to their spares department.

Thanks for the gluing suggestions and I have tried that, but on reassembly a thought: "This really shouldn't be necessary, surely they sell spare cases." But I guess not if they just buy them from China!

If this was some cheap, unbranded stuff from the Far East, fair enough, but it isn't!

Come on Elecraft...



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