[50mhz] 6 meter performance on Icom 756

[Lance Collister, W7GJ (DN27ub)]

John Geiger wrote:
> I wonder if anyone on the reflector could give me some
> feedback as to the 6 meter performance of the Icom 756
> original.  I am assuming that it will do much better
> than what I have now for 6 (icom 706), but are there
> better non PRO 6 meter rigs out there also?
> 
> 73s John NE0P
> 
> 
> 
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Hi John,

As far as I know, the IC756 is a very good rig, and puts out a clean signal. 
However, it is my understanding the the noise figure of the front end is around 5 
dB, which makes it pretty hard of hearing.  Turning on the internal preamplfiers 
does nothing to improve this front end noise figure - they just amplify the noise 
coming from the insensitive front end.  Like many modern rigs (including the more 
recent versions such as the IC756 Pro II), the design has sacrificed sensitivity for 
strong signal handling capabilty.

If you are interested in using it primarily for weak signal work on 6m, I urge you 
to get a good low noise external preamplifier, such as the CA50T model from 
(http://www.lnatechnology.com/).  The IC756 is very well suited to this, since it 
has a connector in the back that you can use as an auxiliary receive only antenna.

GL and VY 73, Lance

-- 
Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8)
P.O. Box 73
Frenchtown, MT  59834  USA
QTH: DN27UB
TEL: (406) 626-5728   FAX:(406) 626-5728
URL: http://www.bigskyspaces.com/w7gj