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 91 
 on: September 26, 2017, 11:07:49 am 
Started by Gabor A. Erdelyi - Last post by Noah Scot Snyder
I bought some new custom cabling from Leo this summer. I was able to email him at the address indicated in his eBay profile. He wrote back and made the cables (for M250s to 6pin XLR) in a reasonable amount of time. He was nice and attentive to me. I hope you reconnect and it's some sort of misunderstanding; a Decca M49 is a special piece!

 92 
 on: September 25, 2017, 02:17:19 pm 
Started by klaus - Last post by klaus
Though even Neumann, the leader in microphone standardization, could never quite stick to one color scheme through the decades, I have found that certain (logical) color choices for conductors are prevalent.
Here is my suggestion how to terminate multi-pin microphone cables.

1. 7-pin Tuchel tube mic cables usually Gotham GAC 7 or Doerffler equivalent. Ground pin assignement may vary, depending on the amount of conductors

Pin #1 Audio (+) = white
Pin #2 Audio (-) = black or brown
Pin #3 + Pin #7 = blue (thick)
Pin #4 Heater = red (thick)
Pin #5 B+ - yellow
Pin #6 = variable polarization voltage = green
Always connect cable shields on both ends to ground pins and metal connector sleeves

Do not follow the above pin-outs assignment blindly, but verify that the cable pin-outs correspond to that of the mic in question


4-conductor cables (U47) used with Gotham GAC 7 or equivalent Neumann tube mic cable

Pin #1 Audio (+) = white
Pin #2 Audio (-)  = black or brown
Pins #3, 4, 6 ground and shield = thick blue, all interconnected with jumpers plus a jumper wire to the connector's metal sleeve
Pin 5 B+ = thick red


3. XLR 3-conductor interconnect cables usually Gotham GAC 3, Neumann IEC 3, or equivalent

Pin #1 Ground = Green
Pin #2 audio (+) = white
Pin #3 Audio (-) = brown
Always connect cable shields on both ends to ground pins and metal connector sleeves









 

 93 
 on: September 25, 2017, 12:08:28 am 
Started by BradL8068 - Last post by uwe ret
In the KM 54 the R1/C4 combination (250kΩ/160pF) provides negative feedback and suppresses tendencies of high frequency oscillation in the circuit caused by the complex transformer load. The phase correction becomes effective above frequencies above 4kHz. (f = 1/2π x R x C)

 94 
 on: September 24, 2017, 11:20:19 pm 
Started by BradL8068 - Last post by AusTex64
Sorry to post to such an old thread. Will someone please explain the implications of C4 and R1 in KM54? It looks like feedback to me. Is this to help tame the HF rise on the KK54 capsule? Thanks.

 95 
 on: September 24, 2017, 04:40:02 pm 
Started by klaus - Last post by David Satz
In addition, the B & K measurement microphone is a pressure transducer with an omnidirectional pickup pattern, while the KM 184 is about 50% a pressure-gradient transducer and only about 50% a pressure transducer, resuting in a cardioid pickup pattern. No one would ever mistake the one microphone for the other, I think, even if the free-field, 0-degree frequency response of both microphones was identical (which I'm rather certain it is not).

--best regards

 96 
 on: September 24, 2017, 04:34:07 pm 
Started by Gabor A. Erdelyi - Last post by David Satz
For what it may be worth, he has almost 100 active auctions for microphone cables, adapters and power supplies on eBay at the moment. His seller name there is "leo-eugen-schall". So I think he is still actively in business.

--best regards

 97 
 on: September 24, 2017, 02:55:42 pm 
Started by mu90r - Last post by mu90r
Hello partners.
I'm trying to find a VF14 in good condition.
Can someone help me find one?

Thanks in advance for your time!

 98 
 on: September 21, 2017, 07:40:51 am 
Started by Doc11 - Last post by Fletcher
While I'm not a lawyer [don't even play one on TV]... one would think that recording ambient sounds in YOUR OWN domicile is perfectly acceptable.  While the neighbors have a reasonable expectation of privacy in their own domicile, at the end of the day their sound is invading your space -- and you are recording the ambient sounds of your space.  There is no reasonable expectation of privacy once their sound has entered your air.

Peace

 99 
 on: September 21, 2017, 06:11:07 am 
Started by Doc11 - Last post by lioneljohn
From reading your post, I donít think you need to have the most sophisticated devices for doing the process. Devices with less precise recording abilities can be used for the purpose. Anyway you have to check the legal issues related with the same.   Pacific Die Casting California   

 100 
 on: September 20, 2017, 01:35:54 am 
Started by Geoff Doane - Last post by MaxReedLeo07
First, the photo you want to apply must be uploaded into your pc, from your cellphone, or camera, and preferably as a jpg report, even though a gif document will paintings, too. Make sure you've got a photo report set up to upload the picture to.

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