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Tim McCune

AEA's Ribbon Microphones & Linear Systems' JFETs

Tim McCune
Brad Albing
Brad Albing
4/30/2013 5:14:09 PM
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Re: Low volume (pun intended)
Good choice. I appreciate that you followed his work back in thje day.

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mccunets
mccunets
4/30/2013 12:34:41 PM
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Re: Low volume (pun intended)
Plugging away at it, but took a break to read some old Lester Bangs columns for inspiration.

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Brad Albing
Brad Albing
4/30/2013 11:40:56 AM
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Re: Low volume (pun intended)
Tim - we anxiously await your next blog.

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Brad Albing
Brad Albing
4/5/2013 8:55:47 PM
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Re: no more vacuum tubes
Sounds interesting. Looks like it's time for another road trip.

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mccunets
mccunets
4/5/2013 4:15:03 PM
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Re: no more vacuum tubes
I'll ask Wes.  My dad (Bell Labs engineer) had boxes of NOS tubes in our basement growing up, wish he still had them now.  I picked up some tubes for my McIntosh on a trip to Russia at the Svetlana plant, the work pretty well.  Like a lot of things in Russia, you go around back and pay in cash.

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Brad Albing
Brad Albing
4/5/2013 4:00:42 PM
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no more vacuum tubes
Tim - so, gone are the days of the ribbon mic preamp based on the 12AX7. Or do people still use those?

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mccunets
mccunets
4/5/2013 1:15:36 PM
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Re: Low volume (pun intended)
EAFPRES, thanks.  JFETs find their way into a lot of interesting applications.  There's a guy who uses them in instruments he makes to measure temperatures going down to absolute zero.  Many of the instrument makers use Linear Systems' JFETS and other parts. Medical equipment is also a big part of the market for JFETS. Basically anything that needs a high-impedance, low-noise input.  Pairing a JFET with an op-amp often works well.  There's an application note for Linear's new JFET, I'm not sure it's up on the web site yet, pls send me an email at tim@linearsystems.com and I'll send you a copy.

Small companies like AEA are very interesting. IWT, my company, is around that size, and we were able to develop and adapt new devices for Iraq/Afghanistan sometimes more quickly than larger companies.  

 

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eafpres1
eafpres1
4/5/2013 12:12:25 PM
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Low volume (pun intended)
Hi Tim--really interesting reading.  Having worked for some time in pretty high volume electronics (automotive-millions; laptops-tens of millions; handsets-hundreds of millions) I have a hard time grasping a business model like you described for the mics.  Likewise, the components.

Can you comment on other application for the FETs you talk about?  There must be more demand than just mics to keep these parts alive?

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