naturerecordists
[Top] [All Lists]

Re: Nakamichi CM-300

Subject: Re: Nakamichi CM-300
From: "Max" oatcruncher
Date: Tue Aug 20, 2013 6:15 am ((PDT))
Hi David,
Many thanks for your usual detailed and educational reply. Before I do any =
of what you have suggested, I'm going to wait to hear from Umashankar, who =
has experience of these mics.
Cheers
Max


--- In   wrote:
>
> Max,
>
> I don't know this mic and haven't used an LS-10 so I'll be brief.
>
> The mic has an unbalanced output which means one wire is connected to
> ground. Make sure you don't have phantom power on as this will put 48V
> across the input as it is no longer "phantom". Phantom power is 48V appli=
ed
> equally to both input wires with respect to ground.
>
> To make the mic "balanced" or "floating" which would isolate the signal
> wires from ground, you would need a mic transformer in circuit. Balanced=

> means equal plus and minus inputs and floating means these inputs have no=

> connection with ground.
>
> One way to check it out would be to wire the mic with loose lesds or
> whatever into the live inputs without a ground connection. You will get h=
um
> and interference but it may give a clue to whether a transcformer would
> help.
>
> David Brinicombe
>








<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the naturerecordists mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU