analogsurviver
Headphoneus Supremus
- Joined
- Jul 2, 2012
- Posts
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Quote:
Hahahaha - BATS again ! Poor bats - whenever the above 20 kHz for audio is mentioned, there the first thing mentioned is, you guessed it, BATS !
Seriously, it does not take long to find mics that can go beyond 20 kHz. Obviously, it will have to be small diaphragm, most likely omnidirectional.
In the ascending order of performance and price :
1. ) http://www.panasonic.com/industrial/components/pdf/em06_wm61_a_b_dne.pdf
NOT specified beyond 20 k, but capable of going as high as you can "amplify" it - by about 50 k. NOT going to answer how this can be achieved, but definitely doable.
2.) http://www.dpamicrophones.com/en/products.aspx?c=item&category=128&item=24035
The whole 406X Series. Again, NOT specified, but capable of beyond 20k. Doable.
3. ) http://www.earthworksaudio.com/microphones/qtc-series-2/qtc50/
Specified - to 50 kHz. If you want even tighter specs, available as http://www.earthworksaudio.com/microphones/m-series/m50/
4. ) http://www.sanken-mic.com/en/product/product.cfm/3.1000400
Specified - to 100 kHz !
From my posts one might get the impression there is a trail of casually dropped 500 Euro bills (500 is the greatest Euro note ) behind me wherever I go. Unfortunately, the opposite is true - so far, I can only dream about 3.) and 4.) I just happen to try to push the envelope wherever and whenever possible - and do it on limited budget best as I can. But just the fact that I can not afford the best does not usually preclude the possibility to try to get as much info and experience as humanly possible.
If you add REALLY GOOD compressor/expander noise reduction to your REALLY GOOD tape recorder, you end up with 20-30 dB better dynamic range in analog. That is then at least REALLY GOOD 88 dB - and RtoR machines had bandwidth to approx 35 kHz. Blows the CD out of water any day. Expensive as hell ( tape cost is about $/Eur 1,00 per minute... ) , a royal PITA to calibrate/adjust correctly, but when everything is up, it really does sound good.
Check this out:
http://www.cco.caltech.edu/~boyk/spectra/spectra.htm
“Without deviation from the norm, progress is not possible.”
― Frank Zappa
What microphone(s) do you use to record all the bat-frequencies ?
I don't know of many mics that capture ANYTHING above 22kHz
and those that do are generally NOT designed for recording real music !
Regarding 'old recordings' :
A REALLY GOOD tape-recorder has/had a dynamic range of maybe 68-72db .
LP's have theoretical dynamic range of 80db .
So, I'm not really sure where all those bat-frequencies are ??
Check this fex :
http://georgegraham.com/compress.html
Hahahaha - BATS again ! Poor bats - whenever the above 20 kHz for audio is mentioned, there the first thing mentioned is, you guessed it, BATS !
Seriously, it does not take long to find mics that can go beyond 20 kHz. Obviously, it will have to be small diaphragm, most likely omnidirectional.
In the ascending order of performance and price :
1. ) http://www.panasonic.com/industrial/components/pdf/em06_wm61_a_b_dne.pdf
NOT specified beyond 20 k, but capable of going as high as you can "amplify" it - by about 50 k. NOT going to answer how this can be achieved, but definitely doable.
2.) http://www.dpamicrophones.com/en/products.aspx?c=item&category=128&item=24035
The whole 406X Series. Again, NOT specified, but capable of beyond 20k. Doable.
3. ) http://www.earthworksaudio.com/microphones/qtc-series-2/qtc50/
Specified - to 50 kHz. If you want even tighter specs, available as http://www.earthworksaudio.com/microphones/m-series/m50/
4. ) http://www.sanken-mic.com/en/product/product.cfm/3.1000400
Specified - to 100 kHz !
From my posts one might get the impression there is a trail of casually dropped 500 Euro bills (500 is the greatest Euro note ) behind me wherever I go. Unfortunately, the opposite is true - so far, I can only dream about 3.) and 4.) I just happen to try to push the envelope wherever and whenever possible - and do it on limited budget best as I can. But just the fact that I can not afford the best does not usually preclude the possibility to try to get as much info and experience as humanly possible.
If you add REALLY GOOD compressor/expander noise reduction to your REALLY GOOD tape recorder, you end up with 20-30 dB better dynamic range in analog. That is then at least REALLY GOOD 88 dB - and RtoR machines had bandwidth to approx 35 kHz. Blows the CD out of water any day. Expensive as hell ( tape cost is about $/Eur 1,00 per minute... ) , a royal PITA to calibrate/adjust correctly, but when everything is up, it really does sound good.
Check this out:
http://www.cco.caltech.edu/~boyk/spectra/spectra.htm
“Without deviation from the norm, progress is not possible.”
― Frank Zappa