naturerecordists
[Top] [All Lists]

Re: Zoom H4 modification.

Subject: Re: Zoom H4 modification.
From: "Klas Strandberg" klasstrandberg
Date: Tue Feb 20, 2007 4:37 am ((PST))
The Zoom with two EM21 works perfectly on extra power supply, but
adds a audible 600Hz tone when the internal batteries are use.
So now I'll try the condensors.

Thanks Adam.

Klas.

At 20:25 2007-02-18, you wrote:
>Klas,
>
>If you can fit surface mount caps between the rails, and have the
>necessary solder paste and hot air soldering equipment, 1000uF 4V
>tantalums are readily available in Europe from Farnell
>(www.farnell.com) for about 45 - 68 Kr (about US $5-7).
>
>Thanks,
>Adam
>
>--- In  Klas Strandberg <>
>wrote:
> >
> > Yes, it's an idea. But first we have to find out about the tones and
> > clicks which it maybe still generates.
> > Some people have added three 1000 mfd 4v tantal condensors over the
> > voltage rail. This is easily done, but those condensors can only be
> > bought in the US, they are expensive, and  you have to pay some 100
> > dollars to the courier.
> >
> > I mean - if  modifications make the recorder as expensive as a
> > recorder which is okay as it is, there is no point in making the
>mod's...?
> > Unless you really need a small recorder. As far as I know, the ones
> > working well as they are, are quite big, like my new Fostex.
> > And if you have to add an extra power pack to the Zoom, it isn't
> > small anymore... life is awful...
> >
> > Klas
>
>
>
>"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







"Microphones are not ears,
Loudspeakers are not birds,
A listening room is not nature."
Klas Strandberg

------------------------------------------------------------------------
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/naturerecordists/

<*> Your email settings:
    Digest Email  | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/naturerecordists/join
    (Yahoo! ID required)

<*> To change settings via email:
    
    

<*> To unsubscribe from this group, send an email to:
    

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/

------------------------------------------------------------------------

<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