[Hallicrafters] [Boatanchors] SX-88??

[John Asp]

There is a prototype of a Collins 51J5 at the Hammond Museum of Radio in Guelph Ontario, ser #2.  

On 2010-07-13, at 11:35 PM, Robert Nickels wrote:

> On 7/13/2010 9:57 PM, Bob Macklin wrote:
>> Check this one on eBay:
>> 130408288494
>> 
>> 
> This is handbuilt prototype #2, mine is #3.  Same differences which 
> include scribe marks for chassis layout, two extra crystals on the 2nd 
> Converter and an extra tube on the main chassis which is a buffer for 
> the external IF output.    Mine also has one tube socket hole punched in 
> the wrong location - a filler was welded in place and the new hole 
> punched as you can see here:
> http://smg.photobucket.com/albums/v652/ranickel/SX-88/?action=view&current=SX88oops.jpg
> 
> The serial number plate is present but no s/n has ever been added - just 
> the grease pencil markings several places on the unit.    I've not seen 
> handbuilt prototypes of other models - has anyone?
> 
> 73, Bob W9RAN
> 
> 
> 
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