[BC] Cinema Engineering line elvel meters, was A What's it?

[Mark Durenberger]

Peter, write to us about "A" scales and "B" scales.

Thanks

Mark Durenberger


----- Original Message ----- 
From: <PeterH5322 at aol.com>
To: <broadcast at radiolists.net>
Sent: Tuesday, November 08, 2005 10:47 AM
Subject: Re: [BC] Cinema Engineering line elvel meters, was A What's it?


>
> In a message dated 11/8/05 8:07:14 AM, radiotech at bellsouth.net writes:
>
>
>> > Too bad the original meters weren't there. Those Weston VU meters
>> > were used on all the WE equipment I ever saw as well as most of the
>> > top of the line gear from the immediate post-war period.
>> >
>> > I'm curious, how did they get anything resembling a normal ballistic
>> > from a meter with greater sensitivity? I'd also think the impedance
>> > would be quite a bit lower.
>> >
>> > IIRC the standard VU meter had an impedance of 3900 ohms as a bare
>> > device and the meter attenuator had an inpedance of 7200 ohms for
>> > +4 and above.
>>
> Weston is the best.
>
> Simpson 142, as in an Ampex 351, is second best.
>
> There are others, but all suffer from compromises as to ballistics or
> sensitivity or frequency response or distortion added to the line.
>
> Some don't use a copper oxide rectumfrier.
>
>
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