Nixie bargraph as a audio VU-meter - diyAudio
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Old 12th December 2006, 07:00 PM   #1
wim is offline wim  Netherlands
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Default Nixie bargraph as a audio VU-meter

I bought some nixie bargraph's (IN-9 and IN-13) an i intend to use them as audio VU-meters for my amp, but i seems to be a hard job to "google" a schematic to drive them.

Is here anyone who can help me getting a schematic or so?

Thanks anyway.
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Old 12th December 2006, 07:03 PM   #2
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National Semi has a series of bargraph drivers which can be configured as nixie drivers -- search on LM3915, LM3916 etc.
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Old 12th December 2006, 07:12 PM   #3
Nixie is offline Nixie  Canada
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Interesting, I didn't realize there were such types of Nixies. I still thin the Magic Eye tubes look better for this use, however.
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Old 24th July 2007, 09:09 AM   #4
coresta is offline coresta  France
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Hi DIYers ! Did anybody ever build a dB scaled bargraph with nixie IN13 ? These have a cool oldlooking orange area but work in a linear way . Any idea for a tubed circuitry for a log amp ? Cheers
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Old 24th July 2007, 06:36 PM   #5
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Google for "in13 nixie" and the first hit is this:

http://www.ledsales.com.au/cart.php?...product_id=157
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Old 25th July 2007, 06:26 PM   #6
nickds1 is offline nickds1  England
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Default Re: Nixie bargraph as a audio VU-meter

Quote:
Originally posted by wim
I bought some nixie bargraph's (IN-9 and IN-13) an i intend to use them as audio VU-meters for my amp, but i seems to be a hard job to "google" a schematic to drive them.

Is here anyone who can help me getting a schematic or so?

As usual, the neonixie-l group on Yahoo!!!! is your friend. (I note that several of us lurk here, including the incredible Alek and his home-made tubes - he's still the only person we know to have made a home-made nixie.).

See the files section:
Files > Other readout technologies > Neon Bargraph Indicators

For drivers, see:

VU driver for IN-13 & IN-9

Various driving strategies for IN-9 & IN-13

A simple kit to play with...

HTH
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Old 25th July 2007, 06:46 PM   #7
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Default Re: Re: Nixie bargraph as a audio VU-meter

Quote:
Originally posted by nickds1

(I note that several of us lurk here, including the incredible Alek and his home-made tubes - he's still the only person we know to have made a home-made nixie.).
Hi Nick, another Neonixie member and DIYaudio lurker
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Old 25th July 2007, 06:55 PM   #8
djQUAN is offline djQUAN  Philippines
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I think it would be interesting to build an RTA with 31 of these.
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Old 26th March 2011, 09:16 PM   #9
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Quote:
Originally Posted by nickds1 View Post
Neon Bargraph Indicators

For drivers, see:

Various driving strategies for IN-9 & IN-13

HTH
Has anyone here built a very simple circuit with, say, an ECC81 / 12AT7 driving the above. What I'm thinking of is two bargraph circuits to monitor the cathode current of the OP valves. (current mirror ?)
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Old 27th March 2011, 06:12 AM   #10
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Quote:
Originally Posted by djQUAN View Post
I think it would be interesting to build an RTA with 31 of these.
https://www.youtube.com/watch?v=x0NJhbx9IYM
https://www.youtube.com/watch?v=qLzXueWH8qo

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