[Hallicrafters] Re: Hallicrafters Digest, Vol 10, Issue 5

[Chuck]

The SR400 has has different finals than the SR400A. I don't remember for 
sure but think they are 6HF5s.
The SR 400A uses 6KD6s which are MUCH more expensive to replace!. Ask me 
how I know
73,
Chuck

hallicrafters-request at mailman.qth.net wrote:

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>Today's Topics:
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>   1. RE: SR-400 and SR-400A Comparison (Jim DiMauro)
>   2. RE: SR-400 and SR-400A Comparison (William Shadid)
>   3. Global Glow Tonight! (Duane Fischer, W8DBF)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Wed, 3 Nov 2004 08:36:44 -0500
>From: "Jim DiMauro" <jfd at warwick.net>
>Subject: RE: [Hallicrafters] SR-400 and SR-400A Comparison
>To: "Hallicrafters" <hallicrafters at mailman.qth.net>
>Message-ID: <LIELKJLHKNFHFHLJJDPGKEKNCLAA.jfd at warwick.net>
>Content-Type: text/plain;	charset="iso-8859-1"
>
>Thanks to George and Ron for your input. It looks like the power output is
>the main difference.  Now as soon as I decide which piece of equipment to
>sell in order to make some room and pay for the Cyclone, I'll post a "WTB"
>message.
>
>73,
>Jim
>
>-----Original Message-----
>From: Ron [mailto:wa0kds at yahoo.com]
>Sent: Tuesday, November 02, 2004 9:59 AM
>To: jfd at warwick.net
>Subject: Re: [Hallicrafters] SR-400 and SR-400A Comparison
>
>
>Very little difference between a 400 and 400A  I believe maybe a couple
>tubes are different.  Both have all the same features.
>
>Ron   WA0KDS
>
>
>
>
>
>------------------------------
>
>Message: 2
>Date: Wed, 3 Nov 2004 07:58:24 -0600
>From: "William Shadid" <wa9mxq at att.net>
>Subject: RE: [Hallicrafters] SR-400 and SR-400A Comparison
>To: "'Hallicrafters'" <hallicrafters at mailman.qth.net>
>Message-ID: <000001c4c1ad$30a306f0$3301a8c0 at billshadid>
>Content-Type: text/plain;	charset="US-ASCII"
>
>Jim,
>
>Sorry not to have gotten back to you sooner. One other difference between
>the SR-400 and SR-400A is an adjustable bias circuit for the final amplifier
>tubes that removes the need to buy matched tubes. As time goes on, this can
>become important. Otherwise, having used both models I have to agree that
>the only other difference apparent is power output. I use my SR-400A
>somewhat regularly and am constantly amazed at how well it performs on
>today's bands.
>
>73,
>
>-Bill, WA9MXQ
>
>
>-----Original Message-----
>From: hallicrafters-bounces at mailman.qth.net
>[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Jim DiMauro
>Sent: Wednesday, November 03, 2004 7:37 AM
>To: Hallicrafters
>Subject: RE: [Hallicrafters] SR-400 and SR-400A Comparison
>
>Thanks to George and Ron for your input. It looks like the power output is
>the main difference.  Now as soon as I decide which piece of equipment to
>sell in order to make some room and pay for the Cyclone, I'll post a "WTB"
>message.
>
>73,
>Jim
>
>-----Original Message-----
>From: Ron [mailto:wa0kds at yahoo.com]
>Sent: Tuesday, November 02, 2004 9:59 AM
>To: jfd at warwick.net
>Subject: Re: [Hallicrafters] SR-400 and SR-400A Comparison
>
>
>Very little difference between a 400 and 400A  I believe maybe a couple
>tubes are different.  Both have all the same features.
>
>Ron   WA0KDS
>
>
>
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>
>
>------------------------------
>
>Message: 3
>Date: Wed, 3 Nov 2004 16:38:12 -0500
>From: "Duane Fischer, W8DBF" <dfischer at usol.com>
>Subject: [Hallicrafters] Global Glow Tonight!
>To: <hallicrafters at mailman.qth.net>
>Message-ID: <200411032127.iA3LRPG4019658 at smtp.usol.com>
>Content-Type: text/plain; charset=ISO-8859-1
>
>
>	
>Hear you tonight, Wednesday November 3rd, for the Hallicrafters Collectors
>International 20/40 meter Global Glow Roundtable.	
>	
>Forty meters- 	
>6:00-7:00 PM EST, (2300-2400 UTC) on 7.280 MHZ lsb or 7.235 MHZ lsb +/- 	
>	
>If lost: meet on ECARS 7.255 MHZ lsb!	
>	
>Twenty Meters -	
>7:00-8:00 PM EST, (0000-0100 UTC) on 14.315 MHZ usb +/-	
>	
>Later dudes!		
>	
>Duane B. Fischer, W8DBF	
>NCS: Hallicrafters Collectors International	
>netcontrol at w9wze.org	
>HCI: http://www.w9wze.org
>	
>.
>
>
>------------------------------
>
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>End of Hallicrafters Digest, Vol 10, Issue 5
>********************************************
>
>  
>