[time-nuts] "Antelope Audio Launches The Isochrone 10MAffordable Atomic Clocking Device"

Poul-Henning Kamp phk at phk.freebsd.dk
Thu Apr 19 12:02:02 EDT 2007


In message <200704191524.l3JFOpnc022567 at msa3-mx.centurytel.net>, Scott Newell w
rites:
>At 09:10 AM 4/19/2007 , Poul-Henning Kamp wrote:
>>In message <4627762F.40508 at febo.com>, John Ackermann N8UR writes:
>>
>>>and $30K speaker cables!
>>
>>The most amazing thing about this, is that the magnetic field in
>>a coil is proportional to the current through it, not the voltage
>>across it, yet all loudspeakers and amplifiers are designed to
>>control the voltage and not the current.
>
>Does the speaker rely on the output impedance of the amplifier for damping?

does it matter if the basic physics is wrong ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



More information about the time-nuts mailing list