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

[Rodney Bunt]

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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