[Hallicrafters] 3.2 or 8 Ohm spkr.

[Philip B Atchley]

Bill et al,
It is rather common for Hallicrafters, Hammarlund etc to "recommend"
running higher impedance headsets than the actual speaker impedance at
the headphone jack.  In one of my manuals around here (SX-71?) it says
that you can use lower impedance but due to the improved impedance match,
Hum and noise would be more noticeable at low volume.

73 de Phil  KO6BB

On Sat, 3 Jul 2004 16:09:09 -0400 "Mark Bell" <bell at blazenet.net> writes:
> Hi Bill --
> 
> I was basing my post upon the SX-101A manual, which requires the 
> headphone
> impedance to be between 50 to 5K ohms.
> 
> After getting your post, I checked the schematics, and you're indeed 
> correct
> !!
> 
> My question now is why does Hallicrafters spec it at 50 to 5K ??
> 
> Mark K3ZX
> 
> ----- Original Message ----- 
> 
> > Why not?   The 3.2 ohm speaker terminal is fed from the headphone 
> jack....

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