[Hallicrafters] SP-44 letter colouring

Duane Fischer, W8DBF dfischer at usol.com
Mon Feb 27 21:33:38 EST 2006


Hi Julian,

I have forwarded your question on to Chuck Dachis and will let you know this 
thoughts -

Duane W8DBF

----- Original Message ----- 
From: "Julian Bunn" <Julian.Bunn at caltech.edu>
To: "Hallicrafters list" <hallicrafters at mailman.qth.net>
Sent: Monday, February 27, 2006 12:29 AM
Subject: [Hallicrafters] SP-44 letter colouring


> I've been working on reviving an SP-44. A previous owner had been under 
> the chassis replacing
> caps and resistors. It looked like a very neat job, with orange drops and 
> 1/2W 10% metal oxides.
> However, the thing didn't work at all. It turned out, after a few 
> measurements, that a grid resistor
> that should have been 510k had been replaced by a 5.1k, and, one of the 
> few capacitors that had
> not been replaced was in fact faulty! With those things fixed. the SP-44 
> works like a charm.
>
> I guess the moral of this is: you can be as neat as you like, and use the 
> best quality components
> you can find, but it's a waste of time if you don't use same value 
> replacements, and stop short of
> checking everything :-)
>
> But my question is: on the front panel of this SP-44, the "the 
> Hallicrafters co" and "MODEL SP-44"
> are in light green ink, whereas the rest of the lettering is white. (The 
> light green is the same green as
> used for the lettering on the chrome panel of the SX62.)
>
> Yet, all the other SP-44s I have seen photos of, do not appear to have 
> this green lettering. I'd
> be interested to know if this is as unusual as it appears?
>
> Thanks!
> Julian
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