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Re: noise related to mic powering...

Subject: Re: noise related to mic powering...
From: "Klas Strandberg" klasstrandberg
Date: Wed Mar 21, 2007 9:54 am ((PDT))
The ME series have a built in step-up voltage converter.

Klas.

At 14:37 2007-03-21, you wrote:
>Hi,
>         I just bought two Sennheiser K6/ME66 with the hope to use them on
>small recorders lacking phantom power (HiMD, Kork MR-1) or with bad
>phantom (MicroTrack 2496). Unfortunately I had a bad surprise: when
>powered by phantom the K6/ME66 works fine, but when powered by its
>internal battery his noise increases above 8-10 kHz by about 12 dB
>and a strong and large peak of noise (36dB higher than the
>background) appears in the range 30-40 kHz. I have two K6/ME66, one
>with peak at 32kHz, the other with peak at 37kHz. I exchanged the
>batteries with no differencies. This makes them completely unusable
>at 96 kHz and also at 48 kHz the noise increase is well appreciable
>when running on internal batteries.
>I'm VERY disappointed by this. I checked an old K6/ME6 (more than 15
>years old) and it has a similar peak  but narrower and weaker with no
>background increase; I also noted that both noise were higher in the
>old model (something like 4-5 dB).
>
>Now I'd like to know if somebody else has experienced the same
>problem with Sennheiser or with other brands.
>
>Gianni
>
>Gianni
>--------------------------------------------------------------------------=
-----------------------------
>Gianni Pavan
>Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
>Universita' degli Studi di Pavia, Via Taramelli 24, 27100 PAVIA, ITALIA
>Phone       +39-0382-987874    Fax +39-02-700-32921
>Email      
>Web       http://www.unipv.it/cibra
>--------------------------------------------------------------------------=
------------------------------
>CIBRA organizes the XXI IBAC Congress, Pavia, 15-18 September 2007
>http://www.unipv.it/cibra/xxi_ibac.html
>--------------------------------------------------------------------------=
------------------------------
>
>
>
>
>
>--
>No virus found in this outgoing message.
>Checked by AVG Free Edition.
>Version: 7.5.446 / Virus Database: 268.18.15/728 - Release Date:
>20/03/2007 8.07
>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>

Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email: 
website: www.telinga.com







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