- From: Benj <bjacoby@xxxxxxxxxxx>
- Date: Fri, 28 Mar 2008 22:39:15 -0700 (PDT)
On Mar 29, 12:54 am, "SotR" <fli...@xxxxxxx> wrote:
What I mean by "many". I've seen cheap Silvertone amps etc. that are still
going strong almost 40+ years later, not to mention "big name" amps. And as
you say, these computer SMPS's are not pulling 15 amps. Were they ever
intended for that?
Actually some computer supplies DO pull 15 amps! But don't expect ANY
"modern" device to last like an old Silvertone! Ahem, "they just don't
build 'em like they used to!" :-)
Fact is that back in the early days of switching power supplies they
used to be legendary for blowing up, catching on fire, and destroying
all semiconductors there-in on a regular basis! But the PC (they use
switching supplies) has developed the technology to the point where
it's pretty reliable! I have NEVER had problem one with my 750 watt
Fender PA amp with the switching supply (Dig: one rack space). OK, the
very "book" computer I'm using to post this did have the supply fry.
It needed all the capacitors in the power supply replaced to be
fixed. No problems since, but I think in that case it was a bad
airflow problem. Caps and semiconductors tend to not be very happy
when operating at high temperatures. A thing to keep in mind when
choosing an amp with a switching supply. See how warm it gets. But
generally I'd be no more scared of a switching power supply today than
of ANY amp that gets too hot.
As for gate lifts and wheel carts, there is still more often than not stairs
and such to carry those amps up. I'm looking at the Genz Benz 300 watt
shuttle. Under 20lbs for amp and cab. Of course the cab is only a 1x10 but I
have other cabs though not light, I can lift them ok with out needing
traction afterwards. And my band is never going to play places that need
monster rigs anyway. The 1x10 might do the job for most gigs. Have to wait
and play it. It must be popular because it's back ordered everywhere.
Don't know about a 1 x 10, but the MarkBass 1 x 12 is FOR SURE able to
do an excellent job in any smaller venue. Just ask Boomie.
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