Barry,
Well, yes you can...but once you get PBT at - levels the recovered
audio is too muffled to hear well most of the time (on weak
signals)...I find I have to run PBT up to + 140 -190 most of the time.
Some of this is my ears....I have some high freq. hearing loss (wo
doesn't at 62) . You would think that would help!
In my scenrio the Halli SX-117 just was right...the audio was clear,
popping right out of the noise...but the HF hiss is gone.
Also, very pleasant for rag chew.
By the way... I have been working tons of DX on 40 and 80
tonight....OII is working super. Lous sigs 2 - 3 KC apart and OII just
pickes them out.
Roofing filter on 2.4 and DSP on 2.1.
73,
Lee, KC9CDT
-----Original Message-----
From: Barry N1EU <barry.n1eu@gmail.com>
To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Sent: Sat, Feb 26, 2011 10:29 pm
Subject: Re: [TenTec] OII V2.044A
On Sat, Feb 26, 2011 at 5:57 PM, <kc9cdt@aol.com> wrote:
> I think one of the reasons the Drake R-4B, Hallicrafters SX-117 and
> many others are beter in a noisy condition is simply they do not have
> all the high frequency respnse in the audio, or maybe it is the tube
> amp??. I wish there was a HF cutoff on the OII, full EQ like Bob Heil
> recommended day one to TT way back may have helped.
No high frequency cutoff on the Orion II? Between Hi Cut, BW, and PBT
why aren't you able to cutoff high frequencies?
Barry N1EU
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