From: Garey Barrell 
Subject: Re: [drakelist] Drake on AM


Casey -

The receiver came from Drake with the 150 ohm, 2W resistor "installed" 
in the AM filter slot, which is under the chassis.  This means the 
receiver bandwidth is set at 8 kHz by the "roofing" filter in the 
first IF of the receiver.  Drake also offered filters in 4 and 6 kHz 
bandwidths to plug in, in place of the resistor for steeper skirts and 
reduced bandwidth.

73, Garey - K4OAH
Atlanta

Casey wrote:

> Isn't that just a matter of putting a fixed value resistor across the 
> connections of one of the filters (for the C I mean)? Haven't read the 
> manual in a while, but that sticks in my memory.  73, Casey, KS7J
> 
>     -----Original Message-----
>     *From:* owner-drakelist{at}www.zerobeat.net
>     [mailto:owner-drakelist{at}www.zerobeat.net]*On Behalf Of *Aidehua{at}aol.com
>     *Sent:* Tuesday, November 18, 2003 12:41 PM
>     *To:* ARDUJENSKI{at}aol.com
>     *Cc:* drakelist{at}zerobeat.net
>     *Subject:* Re: [drakelist] Drake on AM
> 
>     I think the best Drake receiver for AM is the R4B.  It's got the
>     sensitivity and the selectivity already built in, ideal for AM.  The
>     R4C is good, too, though you need to add the optional 6 or 8 kc
>     filter for best results.  Just mu .02 worth....
>      
>     73,
>     Ed NI6S

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