VO-BB - 20 YEARS OLD!

Living Culture · Posted: Wed Nov 18, 2009 9:00 am Post subject: RCA 77DX fittings

I just got my unworthy mitts on a RCA 77DX. But the fork mount has an unusual thread. Is there a standard adaptor for this? Or how do I get it onto a standard mic stand?

I'm also wondering about the history of the mic. I see RCA started putting their "new" logo on the 77's in the last ones circa 1967. This one still has the old logo. Does anybody know when they started using the new logo exactly?
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Gp · Guest

The AEA website has parts for those. Not sure all of what they have but they are building the new RCA ribbon stuff, although it's not RCA it's AEA but it looks like RCA.

todd ellis · Posted: Wed Nov 18, 2009 11:34 am Post subject:

is it the original cast aluminum fork? i have that exact mic - and mine screws in as per normal. there IS a shock-mount "insert" though.
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Mike Sommer · Posted: Wed Nov 18, 2009 1:41 pm Post subject:

The connection at the bottom of the big RCA mics are 1/2" pip thread.

The adapter is available at AEA
http://www.ribbonmics.com/aea/products.html
Model #: AEA-AD1 ~5/8”-27F to 1/2”M Pipe Thread Adapter (RCA Style) $24.00
Part sheet:
http://www.ribbonmics.com/pdf/PriceList-RCA.pdf

Vintage adapters come up on ebay now and again, and go for about $40.

Post a picture of it. The 77 took on many variations; from the 77B to the 77DX Poly-Directional.

This site can break it down for you:
http://www.coutant.org/contents.html
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Living Culture · Posted: Thu Nov 19, 2009 9:11 am Post subject:

Mike Sommer · Posted: Fri Nov 20, 2009 12:11 pm Post subject:

Yes you have a 77DX
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Living Culture · Posted: Fri Dec 11, 2009 8:10 pm Post subject:

Has anyone dealt with the AEA guys before? I'm finding their service almost non-existent.

I mailed them a query and beyond the "we're looking into and we'll get back to you no later than tomorrow" reply, there has been no further feedback.

In the meantime I noticed the pipe thread is the same used for bathrooms, so took a pipe conector and glued a European mic stand thread adaptor in there (couldn't find a standard one that fits) and glued it in place. So, now I have a vintage ribbon mic with plumbing.
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Mike Sommer · Posted: Fri Dec 11, 2009 9:29 pm Post subject:

I've never had a problem with Wes and the folks over at AEA.
Though it is a small company and it is the holidays. If you have any problem let me know and I can run over to Pasadena and get you one.

Mike
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Living Culture · Posted: Fri Dec 11, 2009 9:54 pm Post subject:

Though it is a small company and it is the holidays.

Ed Gambill · Posted: Fri Dec 11, 2009 10:09 pm Post subject:

I noticed that the 77 was lying on its' side when the picture was taken.

You may know this but "Always store the 77 and any ribbon mic in the vertical position either head up or down just so long as the mic is vertical". Otherwise over time when stored horizontally the ribbon will sag and that is not a good thing.

I have the RCA 44
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Living Culture · Posted: Fri Dec 11, 2009 10:28 pm Post subject:

You may know this but "Always store the 77 and any ribbon mic in the vertical position either head up or down just so long as the mic is vertical". Otherwise over time when stored horizontally the ribbon will sag and that is not a good thing.

[/quote]

Thanks! I did not know that. Damn... Just as I thought my DIY work was over for this month, I'll have to modify mic shelves to accommodating the case standing vertical.
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Living Culture · Posted: Fri Dec 11, 2009 10:32 pm Post subject:

ps... I have no idea whats happening with the quotes in my posts, they are qutoing everything but my selection!
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Mike Sommer · Posted: Fri Dec 11, 2009 11:32 pm Post subject:

PM me your address.

I'll call AEA and see what's going on.

I won't be able to get over there until the week after next. I'll let you know what I find out.

Mike
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billelder · Guest

I have a 77D and I wonder if Enak would part with the part?

Living Culture · Posted: Sat Mar 27, 2010 9:33 am Post subject:

That looks interesting. But they not listing anything on their products page. I'll check it with them and see.
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