- Original Message -
From: "Jim Shorney"
On Mon, 16 Mar 2009 18:50:18 -0400, K8AC wrote:
The sensitivity of the TR7 is certainly lacking on the higher bands and a
good preamp is a great addition and doesn't require any metal work. I
bought one of the DF4NW preamps and you can turn
Hi Jim:
I was speaking in the general not specifically about the TR or any other
system. And not specifically trying to judge the merits of the
mentioned modifications...just the approach in general. EveGarey seems
to not be adverse to a change if it improves the "quality" of operation
(key
Yep...
The newer DDS chips 99xx family with 14bit D/A are much better and
suitable for use in tube radios and as mixer inputs because the spectral
purity is sufficient. earlier DDS systems would produce all sorts of
birdies and products.
Curt
Jim Shorney wrote:
On Mon, 16 Mar 2009 23
Curt Nixon wrote:
... I am considering, for instance, a change to a solid-state audio
amp. Yes, I know that the Drakes sound great and all, but I don't do
AM and I use cans a high percentage of the time so solid state quality
will be fine ;) ...The basic reason is to get rid of all the heat
Well being the neutral person I am, I liked the other article with
the Drake TR7 on pages 78-80.
I'm not biased!!! ;-)
73,
Ron WD8SBB
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On Tue, 17 Mar 2009 09:36:38 -0400, Curt Nixon wrote:
>EveGarey seems
>to not be adverse to a change if it improves the "quality" of operation
>(key click mod)...So I guess it depends upon one's own use and
>definition of what is a worthwhile improvement.
Hi Curt,
I'm not opposed to technic
On Tue, 17 Mar 2009 08:08:46 -0400, K8AC wrote:
>When I
>acquired an R7, I found that indeed Drake had thought it necessary to
>include a preamp in that unit and it also heard the weak ones better than my
>TR7s.
I recently acquired an R7A as well, and have found so far that I don't
like to us
maybe it's the annual "spoof" article in the April Fools issue.
Rick
W9WS
On Mar 17, 2009, at 7:37 PM, Jim Shorney wrote:
On Tue, 17 Mar 2009 09:36:38 -0400, Curt Nixon wrote:
EveGarey seems
to not be adverse to a change if it improves the "quality" of
operation
(key click mod)...So
On Mon, 16 Mar 2009 22:06:28 -0600, Jim Shorney wrote:
>I'll add my "never to be humble" opinions to this
In giving this a little more thought, it seems to me that the PIN diode
attenuator board is an example of treating the "symptoms" rather than
the "disease". It adds another layer of complexit
On Tue, 17 Mar 2009 16:55:36 -0500 (EST), Ron Wagner wrote:
>Well being the neutral person I am, I liked the other article with
>the Drake TR7 on pages 78-80.
>
>I'm not biased!!! ;-)
Aw come on, Ron... Now you are just teasing us non-subscribers! What is
this "other article"?
73
-Jim
--
Ha
On Tue, 17 Mar 2009 19:50:09 -0500, richard radke wrote:
>maybe it's the annual "spoof" article in the April Fools issue.
It's real. The author has had a web page up about this rig for a while
now. The article is also on Ron's site:
http://www.wb4hfn.com/DRAKE/DrakeArticles/THE_DRAKE_TR7_REN
But, a good point If not THIS article, WHICH article IS the April Fools
article ?
Chuck, K1OM
On Tue, Mar 17, 2009 at 9:34 PM, Jim Shorney wrote:
> On Tue, 17 Mar 2009 19:50:09 -0500, richard radke wrote:
>
> >maybe it's the annual "spoof" article in the April Fools issue.
>
> It's
This is everyone's sad moment.
I was called to help a widow dispose of her husbands gear but unfortunately I
was called after some of the family thought ham gear belonged in the trash.
Among other things still left were two L-4B amplifiers both in what appears to
be mint condition. So far I wa
I also thought that QST left out more information than they included. I had
seen the TR7 Renewed article on WB6HFN's web site but did not put the name
together.
I was mostly interested in the DDS VFO that he used. In corresponding with
Marc about it I found out that it was KD1JV's Mini DDS V
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