[Hammarlund] Can anyone help with this HQ-170 variation? mod?

[email protected] [email protected]
Mon, 21 Jan 2002 10:26:28 EST


In a message dated 1/21/02 9:13:40 AM, [email protected] writes:

<< This fellow needs some help in identifying what he has.  Does anyone

recognize what he is describing?  The Hammarlund Historian's web page

seems to have disappeared and I can't find anything in any of my files

on this thing.  Sounds like it might be a noise blanker accessory, but I

can't recall whether there was such a thing available for the HQ-170A.


>First of all, I wish to thank you for running BAMA! Finally I managed

to get myself the >manual and schematics for my HQ170A. After the

initial enthusiasm, some frustration: my >receiver, S/N 9705, has a 3

tube sub-assembly that's not described in the manual. That >assembly

includes a 6BH6, a 6BE6, a 6AL5, and two RF coils or transformers. It is

>connected to a potentiometer coupled to the noise limiter pot, but

controlled separately, >and seems to be connected also to the 455KHz IF

amplifier stage. There's no panel >indication of the additional control.

The sub-assembly seems to have been factory >installed, in fact its

tubes have the Hammarlund name on.


What do you think?  Noise blanker?  Any hard info or off the wall ideas

will be appreciated!


73,

Ken K4XL

[email protected]

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 >>

It's an if noise silencer/blanker. Not L@@K or R@RE!!!!!  Quite common 
actually. Was an option for the 170 180 series.




Les Locklear
Gulfport, MS.

"A lot of good arguments are spoiled by some 
fool who knows what he's talking about".