Re: Muting car stereo without damage?
- From: "crazy frog" <dingding@xxxxxxxxxxxxxx>
- Date: Tue, 11 Apr 2006 09:25:02 +1000
you suck
"John Fields" <jfields@xxxxxxxxxxxxxxxxxxxxx> wrote in message
news:nu1g329c44n71b6233q6srihocdgpa85at@xxxxxxxxxx
On Fri, 07 Apr 2006 21:51:13 -0700, Jamie
<jamie_ka1lpa_not_valid_after_ka1lpa_@xxxxxxxxxxx> wrote:
ptw wrote:
Eric R Snow wrote:
If a
switch is used in the speaker wires will it harm the radio to have the
speakers connected and disconnected when the radio is playing?
Should not have any problem disconnecting the (analog) speaker wires
because it decreases the load. Do not short them though. I did that to
my home stereo and nothing bad happened.
not a good idea for the outputs when lets say it
gets reconnected at the wrong time while engergy
is still generated on the output.
---
That's not true. For a solid state amplifier with no output
transformer, regardless of where the output voltage may lie,
connecting the load will only let whatever current its [the load's]
resistance will allow out of the amplifier's output.
Since the output stage of the amplifier is essentially a voltage
source, its output voltage won't change whether there's a load
connected to it or not, within the limits designed into the amp, of
course.
--
John Fields
Professional Circuit Designer
.
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