Rockbox mail archiveSubject: Re: Slightly OT: Channel phase
Re: Slightly OT: Channel phase
From: BlueChip <cs_bluechip_at_webtribe.net>
Date: Mon, 06 Jun 2005 17:06:23 +0100
> > 9V !!!???
> > Quick check:
> > 9Volts into 4Ohms -> 2.2Amps
> > 2.2Amps _at_ 9Volts -> 20Watts
> > That'll be "20Watts RMS" or "26Watts peak-to-peak" or "about
> > 1'300Watts PMPO"
> > So 9V would kill most desk-top speakers, but work well with stage kit.
>But a little rectangular 9V battery can supply only limited current...and
>the voltage drops rapidly even with currents as low as 50mA.
Good point, well made ;)
Received on 2005-06-06