[ARC5] Off Topic, Hallicrafters SX-38

Fri Jul 6 08:21:44 EDT 2012

A good regen is superior to a poor superhet. Anybody that has used a RAK/RAL 
can confirm that.

----- Original Message ----- 
From: "Bill Fuqua" <wlfuqu00 at uky.edu>
To: "D C *Mac* Macdonald" <k2gkk at hotmail.com>; "ARC-5 Mail List" 
<arc5 at mailman.qth.net>
Sent: Friday, July 06, 2012 1:57 AM
Subject: Re: [ARC5] Off Topic, Hallicrafters SX-38

>    I will have to say that there is  no comparison between an
> S38 and a single tube regenerative set. In fact, I had a S38E, the last of 
> the
> series, which used a regenerative IF for a BFO. I found that I could use 
> the
> pot ,called a ratio pot,  on the back panel to adjust the regeneration of
> the IF and modify its
> bandwidth as if I had a Q multiplier. Earlier S38Es had just gimick
> capacitors you had to adjust
> to get the feedback just right. This pot made the BFO feedback adjustment
> much easier.
> This is where I got the idea of  using regeneration in my 40 Meter ARC 5 
> to
> improve it's bandwidth.
>   The real prize in the S38 line is the first one. It actually had a
> BFO tube.
>    I can't see any reason why someone would think a Regenerative
> detector would be superior to a Superheterodyne. Both were inveneted
> by Edwin Armstong.
> 73
> bill wa4lav
>
>
>
> At 08:31 PM 7/5/2012 -0500, D C *Mac* Macdonald wrote:
>
>>When the single 6SN7GT in my Walter Ashe regen receiver
>>went south back in 1954, I borrowed an S-38 from a guy
>>who NEVER got his code to 5 wpm. The hallikrapper was
>>so inferior in performance to that little regen I could
>>hardly wait to save up the 3 or 4 dollars to buy a new
>>6SN7GT!
>>
>>I had a friend, KN2ESQ who had a National SW-54 for
>>his receiver. Even worse!
>>
>>What an improvement when I saved up enough to buy a used
>>National NC-33 for $35 from a med student in Brooklyn, NY
>>from a QST ham ad! I think I sold it for $30 in 1959 and
>>I think it went through at least 2 more users after that!
>>
>>I took out 2/3 of the rotor plates of the bandspread cap
>>and got LOTS of bandspread!
>>
>>* * * * * * * * * * *
>>* 73 - Mac, K2GKK/5 *
>>* (Since 30 Nov 53) *
>>* k2gkk at hotmail.com *
>>* Oklahoma City, OK *
>>* USAF, Ret (61-81) *
>>* * * * * * * * * * *
>>
>>
>>
>>
>>
>>
>> > From: scottjohnson1 at cox.net
>> > To: geoffrey at jeremy.mv.com; vk2bcu at operamail.com; arc5 at mailman.qth.net
>> > Date: Thu, 5 Jul 2012 17:36:00 -0700
>> > Subject: Re: [ARC5] Off Topic, Hallicrafters SX-38
>> >
>> > There was a S-38 with a crystal filter?
>> >
>> > Scott W7SVJ
>> >
>> > -----Original Message-----
>> > From: arc5-bounces at mailman.qth.net 
>> > [mailto:arc5-bounces at mailman.qth.net] On
>> > Behalf Of Geoff
>> > Sent: Thursday, July 05, 2012 5:32 PM
>> > To: Leslie Smith; ARC-5 List
>> > Subject: Re: [ARC5] Off Topic, Hallicrafters SX-38
>> >
>> > After using it you will wonder how users in the 50's managed any 
>> > contacts
>> > which may be a good reason why so many Novices never progressed after 
>> > their
>> > one year license expired. It happened to several friends.
>> >
>> > I managed with a bandspreaded BC-454 and 455 for several months before
>> > saving enough newspaper delivery and birthday money to buy a used 
>> > HQ-129X.
>> >
>> >
>> >
>> > ----- Original Message -----
>> > From: "Leslie Smith" <vk2bcu at operamail.com>
>> > To: "ARC-5 List" <arc5 at mailman.qth.net>
>> > Sent: Thursday, July 05, 2012 8:24 PM
>> > Subject: [ARC5] Off Topic, Hallicrafters SX-38
>> >
>> >
>> > > G'day list members:
>> > > I am considering the possibility of acquiring (and using) one of the
>> > > early "octal" GP sets, eg Hallicrafters SX-38C. I will have a minor
>> > > role on 80m as an evening "Ham" set, alongside a home-brew SSB
>> > > transmitter.
>> > >
>> > > Can list members comment on the performance of this set on 80m, in 
>> > > terms
>> > > of stability, and general "evening" QSO work. Speaking generally, 
>> > > here
>> > > in Australia I could "blaze away" down the middle of the 80m band 
>> > > during
>> > > the week and hit not a thing. Selectivity (generally speaking) won't
>> > > be a problem.
>> > >
>> > > I have read various postings from e-ham, that describe the S-38 as "a
>> > > horrid little set", to basic but useful.
>> > >
>> > > Thanks,
>> > > --
>> > > http://www.fastmail.fm - Accessible with your email software
>> > > or over the web
>> > >> >
>> > >
>> > > --
>> > > Leslie Smith
>> > > vk2bcu at operamail.com
>>
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