i do use transformers when the object is very low noise - that 20 db of noise free gain is not to be scoffed at.i use parabolic reflectors too, for noise free...
... Ohm ... transformer. Eric has an impedance measurement in our Files for a Royer SF12 ribbon which shows about 500R above 1kHz and rising to more than 1k5...
... Eric pointed out the BBC Engineering Monographs are available from www.bbc.co.uk/rd/pubs/archive/pdffiles/monographs/ A treasure trove. No 4 describes the...
... Should be ... 420R above 1kHz. ... Sorry! Should be 20dB gain. -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.407 /...
From: Richard Lee Sent: Sunday, October 01, 2006 03:45 ... www.bbc.co.uk/rd/pubs/archive/pdffiles/monographs/ ... interested in ribbons or designing mikes...
From: Thorsten Loesch Sent: Sunday, October 01, 2006 18:52 ... www.bbc.co.uk/rd/pubs/archive/ And take it from there.... Ciao T ... Thanks Thorsten! There is...
... Zuckerwar and Ngo, JASA 95, 1994 Zuckerwar and Kuhn, JASA 113, June 2003. Dr Campbell, thanks for these references. These papers are to do with the noise...
... This is easy to do. Just make the feedback resistors 0R. The resulting amp will have unity gain and Ein determined only by the input devices. If you...
Hi, ... <snipped for clarity> ... Actually, I should formulated my challenge more precisely as 1nV|/Hz at untiy gain in a microphone preamp that has adjustable...
... Wow! A "floating virtual earth"! Have you a link to "that company in Texas"? Virtual Earth is the best configuration for noise. No evil noise resistors....
Anyone know of links to the new Senheisser MKH P48 circuits? I've found the MKH circuits for their old A-B powering in our Files. -- No virus found in this...
Sorry! I've just found the MKH30 P48 circuit on our Files. I'm one of Thorsten's speaker/mike designers/sometime recording engineers who never attends live...
richard there is no web site that they're posted on but i can send them to whoever needs them. its a large file to post at the files section. if your email is...
"The Golden Pinnae claim these people never go to live concerts". Went to an orchestral concert recently and was a little afraid, as my seat was four rows from...
Read the bilge with this: http://www.trademe.co.nz/Electronics-photography/Home-audio/Amplifiers- tuners/auction-71745219.htm esp. "Transformers take a very...
Have just been listening to a concert on the wireless, and at the end a note from the producer explained that the strange noises at the start were due to a fly...
I wonder what exact electronic or acoustic features this translates to: "The 6dB gain switch sounds even more dynamic without sacrificing resolution." Bertho ...
i have found the article (distortion in low noise amplifiers) and will post it shortly. what it is supposed to do is to give the low noise performance of a...
Hi, First on 'burn in', this is very real with new transformers and relates to the core laminations. There is invariably some magnetism picked up by the...
No problem, your answer sounded out-of-context so I was not even sure if you were replying to my message. I was just wondering what "Dynamic Sound" sounds like...
Roger, the first looks like a fairly standard source follower with 0dB (actually slight loss) gain. Where did that second circuit come from? It seems to use...
Hi, ... I often get the same feel for Tannoy's, my open baffles or my new monitor designs. The reason is simple, in the front rows you get a sonic picture ...
... come ... against ... 50pF ... too ... real ... arrangement. ... gain ... noise ... Hello Scott, The original diagram of the Nakamichi CM300 is different...
... I actually "sacrificed" a CM300 that some concert taper ruined by drilling holes then soldering a 9V battery clip right onto the capsule assembly and I...
Hi All ... Many years ago (early 60's) I did some nature recording for an ornithologist. We were using Altec 21BR150 lab-grade tube microphones. A mosquito...
There is a complete index of Audio Magazine here: http://www.analogaudio.info/audio.pdf It's searchable, so you can find out if a microphone that you were ...
... For yus guys who DON'T already know everything about transformers ... If you had a microphone ribbon element with resistance eg 0R3, you might want to use...
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