[BC] A What's it?

[Milton R. Holladay Jr.]

Nope! Sorry! Gates had nothing to do with it ! If that's an 807, it's out of
a BTA-xL or BTA-xM series RCA; if it's an 802, it's from a BTA-xK series or
earlier, and missing its cover. And, of course, it used an RCA Xtal oven.
On the VU panel, Phil, you're not doing too much better. I believe that
you'll find that those are Triplett meters, which had non-standard
sensitivity, IIRC, 10 dB more sensitive.(I have a factory sheet on these
somewhere.) Cinema Engineering, yes.
What will it take to part you from them, Alan ?
M
----- Original Message ----- 
From: "Phil Alexander" <dynotherm at earthlink.net>
To: "Broadcast Radio Mailing List" <broadcast at radiolists.net>
Sent: Monday, November 07, 2005 5:24 AM
Subject: Re: [BC] A What's it?


> On 7 Nov 2005 at 4:05, Alan Alsobrook wrote:
>
> > I think this is going to be an oscillator deck out of a Gates BC series
> > transmitter but I'm not sure. I've found a bunch of other gates 1 series
> > boars where I found this.  PS if anyone wants it let me know!
> >
> > http://sbe7.org/pics/PB070142.JPG
> > http://sbe7.org/pics/PB070143.JPG
> > http://sbe7.org/pics/PB070144.JPG
> > http://sbe7.org/pics/PB070145.JPG
>
> That thing pre-dates the BC-1F IOW, pre-1950.
> Looks like it used one of those large James B. Knight
> rectangular black bakelite ovens. This is old, old.
>
> >
> >
> > Also here is a premo line level meter that came out long before the
> > Dorrough meter.
> >
> > http://sbe7.org/pics/PB070147.JPG
> > http://sbe7.org/pics/PB070148.JPG
>
> It's a VU meter panel with non-standard meter attenuators.
> Not Weston meters, these look like replacement Simpsons.
> They appear to be the same meter used in the tube type
> Gatesway board mounted behind the panel so you didn't see
> the meter case.
>
> I think I see "Cinema Engineering Co. Burbank" there. The
> standard meter range pads went to either +34 or +39. It
> looks like the meters were replaced in the late '50's or
> early '60's before Simpson converted their VU's to the same
> "open top" case look at their DC meters. The wiring looks
> like late '40's I'm guessing it originally had Weston meters.
> Which Plough station did it come from?
>
>
> Phil Alexander, CSRE, AMD
> Broadcast Engineering Services and Technology
> (a Div. of Advanced Parts Corporation)
> Ph. (317) 335-2065   FAX (317) 335-9037