[Hammarlund] Tim-HQ170 audio / HQ-180 / SP-200

[Ray, W2EC]

When it comes to AM audio, my HRO Sr (also late 1930's) is about tops 
with my SX-28 and SP-600 tied for a close second.

73, Ray W2EC

Rodney Bunt wrote:

> Mike,
> 
> As a proud owner of a HQ-180, and having spent a lot of time aligning the rig. I too was
> disapointed with the audio. I have TONS of sensitivity, TONS of selectivity and adjacent
> interference rejection, I mostly run the rig with a reduced RF gain control.
> 
> If only it sounded better on AM. One could "stagger tune" the IF, but then all the other
> desirables would go away.
> 
> Thats the difference between a communications receiver, and a SWL receiver.
> 
> My SP-200 on 12kHz bandwidth sound Hi-Fi, very good for 1938....
> 
> Regards,
> 
> Rodney
> VK2KTZ
> 
> 
> --- Mike Taylor <reel2reel at hotmail.com> wrote:
> 
>>Tim...My HQ-180 suffers from the same problem. Muffled audio with no high
>>end on A.M. My HQ-110C on the other hand, has excellent audio which borders
>>on high fidelity. (I run both radios through my Hi-Fi system.) I've asked
>>about this on this list as have others over the last couple of years and no
>>one seems to have a fix for this. The HQ-180 and HQ-170 are both very
>>selective and therefore have narrow audio bandwidths. Maybe someday some
>>genious will come along with a way to clean up the poor audio of these
>>otherwise very fine receivers. 73's...Mike
>>_______________________________________________
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