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Old 11th October 2008, 07:59 PM   #1
klaukholm
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Question White noise generator with speaker

Where can I find a battery powered white or pink noise generator with a speaker?
this is for attaching on a pole and holding up to mics for linetesting.
You see these all the time at the radio orchestra sesions, but I can't seem to locate one.

These are great for making sure everything is wired correctly as well as pads or lowcuts accidentally being on.
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Old 11th October 2008, 08:15 PM   #2
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How about a radio...? Simple analog battery powered FM radio, tuned between stations, provides nice white noise...

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Old 11th October 2008, 09:05 PM   #3
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I think these are mostly home made? We have one, made by the tech department, can't be hard to make?
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Old 11th October 2008, 09:34 PM   #4
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Quote:
Originally Posted by huub View Post
I think these are mostly home made? We have one, made by the tech department, can't be hard to make?
Well I don't have the time to make one. If there is one available I would rather buy it. Maybe someone has a good DIY one they want to sell.

Part of the point is a signal that never changes so you can identify issues in mics quickly. For instance in a few weeks we have 2 hours to reset a setup in between sessions for a movie score and I do not have time to mess around. Sometimes pads and lowcuts can be accidentally switched when a mic is moved, particlularly on my tlm170s.
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Old 11th October 2008, 10:56 PM   #5
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I can build you one!


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Old 11th October 2008, 11:16 PM   #6
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Quote:
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I can build you one!


/Peter
Ok,
how much and how would it come out sizewise.
It would be great to have a two volumes and maybe both pink and white noise.
standard 3/8 mic thread would also be a great feature. (need a long pole to get up to 4-5 meter decca tree and up to 6-7 meter high outriggers
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Old 11th October 2008, 11:43 PM   #7
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here is my first candidate
PWN1 Personal White Noise Generator

This is a white noise one, seemingly with a speaker.

If I can find one like this with pink noise and possibly an XLR out we will have a winner.
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Old 12th October 2008, 12:39 AM   #8
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Try to find this used as they don´t make it anymore
http://www.lectrosonics.com/manuals/ns1td.pdf
or this http://www.atiaudio.com/pdf/pdf_191.pdf

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Old 12th October 2008, 07:31 AM   #9
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Thanks Matti,
I have had my eyes on the NS1 and wrote soundbroker who has one listed.
Otherwise it's nowhere to be found.

anyone have one for sale?
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Old 13th October 2008, 09:56 AM   #10
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I used one several years ago, and I believe that it was made by B&K. May I ask what you want it for?

Regards


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Old 13th October 2008, 08:07 PM   #11
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Roland,
It will serve a similar purpose to tapping, only it gives more clues as far as the mic is concerned.
For instance, not long ago I had an M150 drop in outut level by 6-9db because of a failing (3 month old) KT8 cable. Using this method I would have caught it sooner.
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Old 17th October 2008, 07:55 PM   #12
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MCM electronics have some cool widjets that work

Noise Plug Pink Noise Generator | DISTRIBUTED BY MCM | NP1
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Old 19th October 2008, 06:50 PM   #13
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Thanks for that suggestion.
half my mics do not use phantom power and my RCAs will get damaged by phantom so will not turn on phantom on all channels.
Besides, this one does not allow for testing of the mics themselves as it has no speaker.
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Old 20th October 2008, 05:03 AM   #14
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Kjetil,
The one I have in my toolbox was actually made by Sennheiser. It is one of their headphone speakers on the end of a 6" tube containing the generator and a little battery powered amp.
Mine is very old, it was given to me by a friend from Teldec years ago.
Sorry I can't be of more assistance.
All the best,
-mark
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Old 20th October 2008, 08:36 AM   #15
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Thanks mark,
that sounds like the units I have been using over here.

Grey plastic tube 1 1/2 to 2'' diameter
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