Doug,
It uses an 8 volt regulator, so as long as the batter is reasonably fresh, it will work exactly as well as with a 12 volt battery.
73s,
Alan WA4SCA
<-----Original Message----- <From: amsat-bb-bounces@amsat.org <[mailto:amsat-bb-bounces@amsat.org] On Behalf Of Douglas Phelps <Sent: Sunday, December 15, 2013 8:44 PM <To: AMSAT BB <Subject: [amsat-bb] AMSAT Preamp Question < <Will the preamp, being sold by AMSAT, suffer any degradation <in performance id operated on a 9 volt battery? If yes, how <much? I would like to make it a stand alone preamp by putting <a 9 volt battery on the side of it. < <Thanks, <Doug <K9DLP <_______________________________________________ <Sent via AMSAT-BB@amsat.org. Opinions expressed are those of <the author. <Not an AMSAT-NA member? Join now to support the amateur <satellite program! <Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb <