[R-390] Line Level VU Meter

[Glen Galati]

Hello Mike, I've got a lot of those small meters, however I'll have to study
your pictures and compare with our to decipher.
I'll post after I have a BRAIN DIGESTION.

73,
Glen Galati           eldim@att.net
Tacoma, WA
----- Original Message -----
From: Leigh <bipi@att.net>
To: r390a <r-390@mailman.qth.net>
Sent: Monday, August 12, 2002 9:07 PM
Subject: [R-390] Line Level VU Meter


> Hello,
>
> I am in the process of refurbishing an R390A.  The carrier
> and line level meters are original and work fine.  However,
> I have a NOS carrier meter (with the correct internal
> resistance) that I would prefer to use and I am looking for
> a replacement line lever VU meter of proper physical and
> electrical characteristics to match this carrier meter.
> If you have such a meter, I would be interested in
> purchasing it out-right or I would trade the 2 original
> meters for it.
>
> I have posted some photographs of the original and
> replacement meters on my Web site.  The carrier meter is
> in very good condition but the glass on the line level VU
> meter is "foggy".  They are both made by Internationl.
> Note that the open viewing area of the NOS carrier meter
> is larger than that on the 2 original meters, but all other
> dimensions are the same.
>
> Link to picture of 2 original meters:
>
>      http://home.att.net/~bipi/miscpix/mtrpair.jpg
>
> Link to closeup picture of original VU meter:
>
>      http://home.att.net/~bipi/miscpix/mtrvu.jpg
>
> Link to picture of all 3 meters together:
>
>      http://home.att.net/~bipi/miscpix/mtr3.jpg
>
> Link to picture of NOS carrier meter that I want to match:
>
>      http://home.att.net/~bipi/miscpix/mtrnew.jpg
>
> The literature I have looked at references a meter resistance for
> the
> line level VU meter of around 3360 ohms but mine measures 15.3k
> ohms
> on a Fluke 77.  The carrier meter measures 18.1 ohms as it
> should.
> So let me know if anyone is interested in an exchange or sale of
> a replacement line level meter that matches the NOS carrier meter
> that I have.
>
> I guess the other question is if someone knows if these meters
> can
> be safely opened to clean the glass?  They appear to be sealed.
>
> Thanks to all...
>
> 73 de Mike
> K7PI
> Mercer Island, WA
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