[AMRadio] AM Bandwidth and Audio Quality (was SourceBroadcastXmtrs)


BILL GUYGER bguyger at sbcglobal.net
Wed Jun 22 15:27:37 EDT 2011


Hi Lee

Sorry for the delay, I had to get to the machine that I had the spread sheets 
from the project on. The Delta TCR-20/40-EXR dual range (20A. + 40A.) lists for 
$1625.00.
 
Bill



________________________________
From: lee <pulsarxp at embarqmail.com>
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Sent: Tue, June 21, 2011 8:39:23 PM
Subject: Re: [AMRadio] AM Bandwidth and Audio Quality (was SourceBroadcastXmtrs)

Bill,

What do these Delta units retail for?

I bet you could build a pretty nice one for ham use with little trouble. 
Just calibrate the meter with an accurate wattmeter into a 50 ohm dummy load 
using ohms law.  Good enough for ham use.

Lee, w0vt

-----Original Message----- 
From: BILL GUYGER
Sent: Tuesday, June 21, 2011 8:32 PM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] AM Bandwidth and Audio Quality (was 
SourceBroadcastXmtrs)

Delta is REAL proud of their equipment so I doubt there are going to be many
spares laying around. I just replaced 4 20 Amp. max Toroid + meter combos at
KTCK with ones rated for 40 A. The old ones will be kept for spares for KLIF 
or
sent to other stations within the company that might need a replacement. Not
saying "it ain't gonna happen" just don't hold your breath.


In addition, Delta generally only guarantees them up to 2 Mc.  They'll 
probably
be fiarly accurate thru 80 M. but ????

Bill AD5OL


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