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[TenTec] Fw : Orion first impressions

To: <tentec@contesting.com>
Subject: [TenTec] Fw : Orion first impressions
From: nq5t@attbi.com (nq5t@attbi.com)
Date: Wed Apr 9 09:31:14 2003
> The Twin Passband Tuning on various Icom transceivers, including the
> IC-781, IC-756Pro and IC-756Pro2, allows the operator to shift the
> upper and lower flanks of the IF passband independently of one another
> - or to shift the passband without varying its bandwidth.

I am very familiar with the Icom's version of Twin Passband Tuning.  
The radio I sold to purchase the Orion was a 781 I've owned since 
1989.  I had IRCI/INRAD 2.1 Khz crystal filters in the IF's which 
vastly improved passband tuning sharpness and performance over 
the stock filters.

Although I no longer own the 781 (shipped it out a couple months 
ago) and can't do a side-by-side, my overall impression is that the 
BW/PBT and Hi/Low cut controls on the Orion accomplish the 
objective very well and produce a significantly superior result.  The 
ability of this radio to reject adjacent channel interference in a wide 
range of conditions is remarkable.


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