[Hallicrafters] Best Rx?

[Carl]

My SX-100 is a MK2 which is what I was responding to. When you snip the post 
when you reply it does nobody a service.

Carl




----- Original Message ----- 
From: "Glen Zook" <gzook at yahoo.com>
To: "James Liles" <james.liles at comcast.net>; 
<hallicrafters at mailman.qth.net>; "Carl" <km1h at jeremy.mv.com>
Sent: Saturday, November 27, 2010 9:07 PM
Subject: Re: [Hallicrafters] Best Rx?


> Carl:
>
> Are you sure that your SX-111 is a Mark II.  I don't know of any SX-111 
> Mark II receivers ever made.  The SX-111 Mark I had both a product 
> detector and a "damp chaser".
>
> The original SX-111 was never called the Mark I.  The second variation was 
> called the Mark I.  The manual for the SX-111 with the product detector 
> and the "damp chaser" is definitely marked SX-111 Mark I.  The "damp 
> chaser" is basically an 8 watt 2,000 ohm "flat" wire-wound resistor that 
> has a second fuse, 0.25 amp, in series with it.  The AC line into the 
> receiver was not fused!
>
> The manual for the SX-111 Mark I is on BAMA at
>
> http://bama.edebris.com/manuals/hallicra/sx111mk1/
>
> Glen, K9STH
>
> Website:  http://k9sth.com
>
>
> --- On Sat, 11/27/10, Carl <km1h at jeremy.mv.com> wrote:
>
> Mine is a Mark 2 and the thin sheetmetal chassis still has no strength. At 
> least they added a "damp chaser in the Mark 2A which was also needed in 
> the SX-101's. While it was hot on even 10M the 6CB6 RF amp is a sharp 
> cutoff and it overloads badly with their AVC attempt by changing the plate 
> voltage on each band. Only one other stage has AVC.
>
> It looked good in the ads and I almost bought one but after seeing how 
> tiny it was I spent the money on auto performance parts and flogged the 
> HQ-129X until the Drake 2B came along after I got out of the Navy. In the 
> mean time I had a product detector in the BC-453 and the SSB performance 
> was about as adequate as needed then using a 10B and HB GG amp using 
> 1625's.
>
>
>