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Author Topic: New tube mic from Oktava  (Read 4442 times)

chlpark

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New tube mic from Oktava
« on: December 14, 2008, 07:00:16 am »

http://www.oktava-shop.com/view_prod.php?id=158

I sent an e-mail to Natalia Kuzmenko (from www.oktava-online.com) asking for info about this mic and the response was:

'The microphone uses the scheme of famous LOMO 19A4 with some modern modifications. Tube is a Russian military 6?6?-? [She must have written in cyrillic and my computer couldn't decode those missing letters  Evil or Very Mad ]'

Lou Ximenez
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YZ

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Re: New tube mic from Oktava
« Reply #1 on: December 15, 2008, 01:44:20 pm »

chlpark wrote on Sun, 14 December 2008 10:00

http://www.oktava-shop.com/view_prod.php?id=158

I sent an e-mail to Natalia Kuzmenko (from www.oktava-online.com) asking for info about this mic and the response was:

'The microphone uses the scheme of famous LOMO 19A4 with some modern modifications. Tube is a Russian military 6?6?-? [She must have written in cyrillic and my computer couldn't decode those missing letters  Evil or Very Mad ]'

Lou Ximenez


Russian 6N6B-E? dual triode, 10mm dia. subminiature, extended life.

maybe.

if there is such a tube.

YMMV.

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YZ

seedyunderbelly.com

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Re: New tube mic from Oktava
« Reply #2 on: December 15, 2008, 02:02:19 pm »

chlpark wrote on Sun, 14 December 2008 06:00

http://www.oktava-shop.com/view_prod.php?id=158

I sent an e-mail to Natalia Kuzmenko (from www.oktava-online.com) asking for info about this mic and the response was:

'The microphone uses the scheme of famous LOMO 19A4 with some modern modifications. Tube is a Russian military 6?6?-? [She must have written in cyrillic and my computer couldn't decode those missing letters  Evil or Very Mad ]'

Lou Ximenez



Lou  Sometimes  you can change the text encoding and it appears.  -j

chlpark

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Re: New tube mic from Oktava
« Reply #3 on: December 16, 2008, 02:56:35 am »

No such luck  Confused
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Rod Affleck

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Re: New tube mic from Oktava
« Reply #4 on: December 16, 2008, 08:46:34 am »

YZ wrote on Mon, 15 December 2008 14:44

chlpark wrote on Sun, 14 December 2008 10:00

http://www.oktava-shop.com/view_prod.php?id=158



Russian 6N6B-E? dual triode, 10mm dia. subminiature, extended life.

maybe.

if there is such a tube.

YMMV.




It may also be a pentode set up with a cathode follower like the Sony C37a. In photo three in the link above the output transformer appears to be in the power supply (which makes sense considering how small a mk-012 body is) which would lend credence to my theory. So possibly a 6Zh6B-something?

I'd be interested in hearing how they sound, but for almost a grand per body/power supply I doubt I'll be taking the plunge myself any time soon.
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Rod Affleck

chlpark

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Re: New tube mic from Oktava
« Reply #5 on: December 16, 2008, 12:45:48 pm »

It may well be the 6S6B, which is used in the Lomo 19A18.

Lou X.
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YZ

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Re: New tube mic from Oktava
« Reply #6 on: December 17, 2008, 03:20:23 am »

chlpark wrote on Tue, 16 December 2008 15:45

It may well be the 6S6B, which is used in the Lomo 19A18.

Lou X.


The 6S6B is a single triode; would work in a mic.

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YZ

YZ

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Re: New tube mic from Oktava
« Reply #7 on: December 17, 2008, 03:23:15 am »

evil robot wrote on Tue, 16 December 2008 11:46



It may also be a pentode set up with a cathode follower like the Sony C37a. In photo three in the link above the output transformer appears to be in the power supply (which makes sense considering how small a mk-012 body is) which would lend credence to my theory. So possibly a 6Zh6B-something?

I'd be interested in hearing how they sound, but for almost a grand per body/power supply I doubt I'll be taking the plunge myself any time soon.


The code you've wrote above would translate to 6J6B, a sharp-cutoff RF pentode.


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YZ

Rod Affleck

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Re: New tube mic from Oktava
« Reply #8 on: December 17, 2008, 08:14:55 am »

YZ wrote on Wed, 17 December 2008 04:23



The code you've wrote above would translate to 6J6B, a sharp-cutoff RF pentode.





Yes, it would indeed be a SCP; just like the 6au6 found in the above-mentioned C37a, or the 6J1Bs found in several Chinese tube condensers these days.
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Rod Affleck
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