[BC] Gates Yard schematic or manual

[Milton R. Holladay Jr.]

IIRC, the Studioette was all self contained
M
----- Original Message ----- 
From: "Phil Alexander" <dynotherm at earthlink.net>
To: "Broadcast Radio Mailing List" <broadcast at radiolists.net>
Sent: Monday, October 24, 2005 8:09 AM
Subject: Re: [BC] Gates Yard schematic or manual


> On 23 Oct 2005 at 22:37, RON DOT'O SR. wrote:
> 
> > According to the Yard manual I have the PS is a M5548C.
> > 
> Typically, at Gates, the letter suffix indicated an ECN
> or engineering change notice. It is not always correct
> to say that an ECN represented an improvement, but that
> was the intent. 
> 
> The M5548 was a ubiquitous PS/Monitor Amp/Relay assembly
> used at Gates with tube type units of the 1960's and 
> late 1950's. I can't recall the Yard, because I never
> really worked on one before I worked at Gates, but I
> know the 5548 was interchangeable between Dualux, Gatesway
> and Studioette. At most, the one for the Yard might have
> had one less studio muting relay since Yards were intended
> mainly for production use. Regardless, that should not
> present a problem to using the board unless you are trying
> for some arcane degree of authentic assembly. By the time
> I arrived at Gates Quincy after spending time at ATC in
> Bloomington we were already well into the second generation
> solid state boards, mainly the nightmare called the 
> Gatesway II.
> 
> 
> Phil Alexander, CSRE, AMD
> Broadcast Engineering Services and Technology 
> (a Div. of Advanced Parts Corporation) 
> Ph. (317) 335-2065   FAX (317) 335-9037