[AMRadio] B&W 850-A vs 852 Pi-Network assembly


John Parker parkjv1 at comcast.net
Tue May 29 22:00:15 EDT 2007


Larry,

I was wrong, it's a B&W 850 not an 850A..

John

-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of Larry WA9VRH
Sent: Tuesday, May 29, 2007 2:14 AM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] B&W 850-A vs 852 Pi-Network assembly

Hi John,

Let me know if you have one. Shipping would be to 61559.

Thanks
Larry WA9VRH


----- Original Message -----
From: "John Parker" <parkjv1 at comcast.net>
To: "'Discussion of AM Radio in the Amateur Service'"
<amradio at mailman.qth.net>
Sent: Monday, May 28, 2007 9:02 PM
Subject: RE: [AMRadio] B&W 850-A vs 852 Pi-Network assembly


> Larry,
>
> I will check, I think I may have an 850A.
>
> $65.00 plus shipping from 98072....
>
> 73 John KD7KFT
>
>
>
> -----Original Message-----
> From: amradio-bounces at mailman.qth.net
> [mailto:amradio-bounces at mailman.qth.net] On Behalf Of Larry WA9VRH
> Sent: Monday, May 28, 2007 6:01 PM
> To: Discussion of AM Radio in the Amateur Service
> Subject: Re: [AMRadio] B&W 850-A vs 852 Pi-Network assembly
>
> Hi Scott,
>
> I will keep looking for an 850-A as it would be the best way to go. Thanks
> for the info and I would appreciate a copy of the chart.
> Address and email is good on QRZ.
>
> Thanks!
> Larry
>
> ----- Original Message -----
> From: <Ka9p at aol.com>
> To: <amradio at mailman.qth.net>
> Sent: Monday, May 28, 2007 8:00 PM
> Subject: Re: [AMRadio] B&W 850-A vs 852 Pi-Network assembly
>
>
> > Larry -
> >
> > The 850A and 852 have the same voltage rating but the plate impedance
for
> > the 850A is 2500 to 5000 ohms, while the 852 is 1500 to 3000 ohms.
> >
> > In other words the inductance of the 850A is 13.6,6.5,1.75, 1 and 0.8
> > microhenries, and the 852 is 7, 3.72, 2.34, 1.34, and 0.95 microhenries.
> >
> > I have a chart that shows capacity to resonate on each band, etc. from
an
> > old B&W catalogue if it would help. It's sure not a drop in, but I
expect
> you
> > could make it work ok except perhaps on 80 with a bit of juggling.
> >
> > Good luck, Scott
> >
> >
> >
> > ************************************** See what's free at
> http://www.aol.com.
> > ______________________________________________________________
> > AMRadio mailing list
> > List Rules (must read!): http://w5ami.net/amradiofaq.html
> > List Home: http://mailman.qth.net/mailman/listinfo/amradio
> > Partner Website: http://www.amfone.net
> > Help: http://mailman.qth.net/mmfaq.html
> > Post: mailto:AMRadio at mailman.qth.net
> > To unsubscribe, send an email to amradio-request at mailman.qth.net with
> > the word unsubscribe in the message body.
> >
> >
> >
>
>
> ______________________________________________________________
> AMRadio mailing list
> List Rules (must read!): http://w5ami.net/amradiofaq.html
> List Home: http://mailman.qth.net/mailman/listinfo/amradio
> Partner Website: http://www.amfone.net
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:AMRadio at mailman.qth.net
> To unsubscribe, send an email to amradio-request at mailman.qth.net with
> the word unsubscribe in the message body.
>
>
> ______________________________________________________________
> AMRadio mailing list
> List Rules (must read!): http://w5ami.net/amradiofaq.html
> List Home: http://mailman.qth.net/mailman/listinfo/amradio
> Partner Website: http://www.amfone.net
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:AMRadio at mailman.qth.net
> To unsubscribe, send an email to amradio-request at mailman.qth.net with
> the word unsubscribe in the message body.
>
>
>


______________________________________________________________
AMRadio mailing list
List Rules (must read!): http://w5ami.net/amradiofaq.html
List Home: http://mailman.qth.net/mailman/listinfo/amradio
Partner Website: http://www.amfone.net
Help: http://mailman.qth.net/mmfaq.html
Post: mailto:AMRadio at mailman.qth.net
To unsubscribe, send an email to amradio-request at mailman.qth.net with
the word unsubscribe in the message body.




More information about the AMRadio mailing list

This page last updated 21 Oct 2017.