[Collins] [Fwd: Beckman Berkeley 7700 Collins 51J-4?]

[Wn4i]

Well  it's easy :  the  history of the 51J4  is the following 51J3/ 51J2/ 
51J1/ 51J .....
51J3  also known as a  R-388  for the military .

A few years ago I  sold a 51J4 ( with no cabinet ...the top and bottom cover 
is plenty  and not so heavy ) for $1400  like new .
Now I am ready to sell my favorite  - only one left -with an additional 
Mecanical filter (  9 Khz to lisen to the 2 sidebands of regular AM 
Broadcasting ) -
you can plug in the place of the 1 Khz .
I 'm asking $1000 with the additional filter  and the original 
cabinet ---very clean inside and out because of the top and bottom covers .
Also I did a full re-alignment 2 years ago .
I have the book and a picture .
This radio is so stable we used to use it as a frequencymeter  in the 
1950-60-70  here at Motorola .....all the 30 bands are easy to calibrate .

73
Yves Wn4i .........30 years for Motorola International
Yves Pautard
5833 Dryden rd.
West Palm Beach
Florida 33415.....561-689-8819








----- Original Message ----- 
From: "BSugarberg" <bsugarberg at core.com>
To: <collins at mailman.qth.net>
Sent: Wednesday, October 19, 2005 12:56 PM
Subject: [Collins] [Fwd: Beckman Berkeley 7700 Collins 51J-4?]


> Please respond to John, not to me.
>
> -------- Original Message --------
> Subject: Beckman Berkeley  7700 Collins 51J-4?
> Date: Wed, 19 Oct 2005 12:40:02 -0400
> From: flood at Krohne.com
>
> Greetings old wise ones,
>
> Picked up a Pile O' Stuff this AM and was delighted to see what I think is
> a 51J-4.  However, this unit has a grayish flat front panel with engraved
> Beckman Berkeley  name along the top.  If this is common variant /
> subcontract that I "should know about" I'll apologize in advance.  I am
> interested in the history of this radio.  I'm hoping that the 51J-4 dial
> drum label will work here?
>
> John Flood
> TASC Department
> KROHNE, Inc
> 7 Dearborn Rd.
> Peabody, MA   01960
> Tel.:  978-535-6060 / 800-356-9464
> Fax:   978-535-8180
>
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