Speaker overload (tweeter) protection using bulbs (repost)
Nov 14, 2008 130 Replies
D
Dave Plowman (News)
Indeed.
As far as the speaker coil is concerned it might as well just be. And if you measure the signal with an analogue meter DC is what you'll see.
Agreed.
Of course you could argue about what practical DC is. Most will have some form of ripple etc.
*When a clock is hungry it goes back four seconds*
Dave Plowman dave@davenoise.co.uk London SW
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R
Ron Johnson
I`m getting a terrible sense of DejaVu about this thread
ROn
E
Eeyore
Depends what you call saturate. It'll clip even if anti-saturation measures such as a Baker Clamp are used.
Yeah. Might conceivably be a bit asymettrical but probably not to a large degree.
Base charge storage. That's what the Baker Clamp stops.
Around twice.
Graham
M
Meat Plow
F*ck off you bloated bag of gas.
Did you understand that?
M
Meat Plow
My irony meter just vaporized.
G
George's Pro Sound Company
I guess your a run of the mill solder jockey whom inhaled to many lead fumes as a boy That what your posts indicate
Living well is my best revenge against small minds like yours George
M
Meat Plow
IF bloated gas bag replies THEN goto F*ck off.
I'll give you one credit however, you rec.audio.tech/alt.audio.pro.live-sound fuckheads breath a little life into s.e.r.
....heh
G
George's Pro Sound Company
wish we could say the same for the s.e.r merkins George
L
liquidator
Most I ever counted was a festival system, 72 Phase 400's in racks. Not mine of course, we had two systems, both together were less than half that.
I think we owned about 36, generally 6 on the bench, 6 as spares, 24 in actual use.
But they were cheaper, lighter, and sounded better than Crowns.
L
liquidator
content
output
some
Yeah, it's been hashed a dozen times, clipping ain't DC, and people with high levels of knowledge don't say it is.
Just salesmen and and fader jocks. Not real engineers.
In practice, the severely clipped amp won't do a perfect square wave, it will sag. so the "virtual DC" argument falls flat on it's face...most supply rails do not have enough storage to sustain a full square wave...some of the real heavy old iron may.
But I don't talk about old amps to make a point, nobody uses them any more.
L
liquidator
measures such
with
Arny and I agree?
Chicken Little was right...
I argue how close it is to virtual DC though.
I certainly don't feel it fits the definition.
L
liquidator
Behringer
his
Hey, you and I still have our words...but wouldn't it be friggin' boring if everybody in th world agree on vanilla ice cream?
But different folks can find common ground. I got no quarrel with guys who prefer blondes for instance...leaves more redheads for me...
L
liquidator
Used to be a stock scene in old Science fiction movies...all the meters go into overload...someone yells out "Turn back you fool!"
Then the Earth explodes/a dimensional gate opens/a guy is mutated into a nasty creature...(insert other options here).
G
George's Pro Sound Company
All behringer product I have seen in "a long time" has been lead free/compliant with the new standards
A
Arny Krueger
YMMV.
Interesting page:
formatting link
IOW, close to the energy content of DC, just with the polarity reversing from time to time.
E
Eeyore
I'm sure he understood it but King George won't like it one bit. He's a wee bit temperamental, you know.
He also claims that MDF cabinets are crap despite buying them himself for his 'B rigs'.
Graham
E
Eeyore
They should get engaged. ;~)
Graham
E
Eeyore
It's been an interesting combination and as I've said, completely on topic for all. It's given me a chuckle too to see what the techs think of what Assilon calls 'fader jockeys'. And then there's Jamie. He's in his own league.
Graham
E
Eeyore
Do you fix your own gear Your Highness ?
Graham
E
Eeyore
Crowns of that era always sounded gritty to me and had no better heatsinks either. Never bothered with them then or since. Well especially as I 'roll my own' these days !
Several UK companies like RSD/Studiomaster and Turner realised the heatsinking problem and dealt with it. We had a Turner in my rig for a while. Sounded fine too. It was driving mids (Philishave lookalikes - home made).
Graham
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