[Hallicrafters] Mods to Hallis.....

George KB2Z Thermionic_Emission at earthlink.net
Wed Jul 19 16:55:46 EDT 2006


Jim,
When you get to the rectifiers 1N34 are not good, being made of
germanium. Silicon would be a better diode choice.
Good luck, G

jew123 at juno.com wrote:
> So far I only have one radio, a SX99 and feel that radios are like 
> wives.  One should only have one.  But some people do not learn until 
> later in life so then there is a rush to He-Hay to get down to legal 
> limits.
> 
> I cannot understand why even the last Hallis still mostly used those 
> big ole octal tubes when everyone else went to the more modern and 
> IMHO better minature 7/9 pin tubes.  Did Hallicrafters not know about 
> 6V6 output tubes?  Well after I unbox my SX99 I will install a 6V6 so 
> that I can hear it for more than 20 feet.  And I painted it black 
> because I could not determine what color it should be.  And I will 
> have someone with a commercial laser printer reproduce the 
> silver/white area around the knobs with a silver/white plastic that 
> will cover the old numbers.  I have scanned in this area and used 
> Photoshop to clean up the scraches and rubbed off numbers.  How-some-
> ever if a purist looks he will notice the off color, a new 
> silver/white area around the knobs and that the radio plays too loud 
> because I have used a 6V6 instead of a 6F6.  And if he looks closer he 
> might discover that I have taken apart my 6H6 and removed the glass 
> innards once it dies and put in those tiny 1N34 diodes.  6H6s never 
> really die though, do they?
> 
> However I do not plan on installing a tuning-eye tube as back-up for 
> my S-meter.
> 
> Good cheers to all,
> 
> Jim Winkelr
> Denver, CO
> 
> 
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