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 1 
 on: Today at 01:14:55 pm 
Started by Andrew Broughton - Last post by Chris Hindle
Lucas in Triumph - every wire the same color.  Bah, humbug.
I had to "fix" the tail lights on an late 60's MG something or other.
EVERY FUCKIN WIRE WAS WHITE!
No tracers, no nuthing.
Way to go Lucas.....................
Chris.

 2 
 on: Today at 12:08:15 pm 
Started by Andrew Broughton - Last post by Craig Hauber
Dunno for sure but my guess is that you'll find them in low-voltage, high-current applications such as electroplating. Interrupting that much current at high voltage requires more advanced methods of suppressing the arc. --Frank

I'll add that high-power BEVs can run ~1000 A at ~400 V when you floor it, so that's getting up there.

The original ubiquitous "non-battery" EV, (commonly known as a diesel-electric locomotive), average around 3.2MW from their onboard power plant -I bet there's some large current fuses in those. 
Not to mention some interesting computer controlled traction control via very large solid-state motor drives.

-I'm always been fascinated by anything that starts with logic-level voltages in microscopic silicon ending up in control of stunning amounts of raw current! 

Do they have multi-megawatt breakers that wouldn't need contacts rebuilt after opening (especially with DC)?  Possibly would be too large and heavy for anything other than stationary power-plant or substation usage?


 3 
 on: Today at 11:15:04 am 
Started by Andrew Broughton - Last post by Frank Koenig
So anyone know what the application for a 5000A fuse is?

It's interesting that it's just a bunch of 100A in parallel.  Anyone know if that's how all the fuses larger than 100A are built?

Dunno for sure but my guess is that you'll find them in low-voltage, high-current applications such as electroplating. Interrupting that much current at high voltage requires more advanced methods of suppressing the arc. --Frank

I'll add that high-power BEVs can run ~1000 A at ~400 V when you floor it, so that's getting up there.

 4 
 on: Today at 11:05:52 am 
Started by Andrew Broughton - Last post by Chris Grimshaw
So anyone know what the application for a 5000A fuse is?


Output fuse on a Macrotech.

More seriously, a family member works on newspaper printing presses. Some of those drives are rated for 1MW. Even the medium-sized drives won't turn with anything less than 240V 3-phase applied.

Some industrial stuff, then, might require a fuse of that kind of size.

Chris

 5 
 on: Today at 10:55:39 am 
Started by Andrew Broughton - Last post by Dave Garoutte
Why do Englishmen like warm beer?
It's because they have Lucas refrigerators.

Lucas, the Prince of Darkness

Back in my mechanics days, i made good coin getting the smoke back into MG and Triumph "electrics"....
Chris.
Lucas also invented the flashdark.

 6 
 on: Today at 10:37:53 am 
Started by Andrew Broughton - Last post by Tim McCulloch
Why do Englishmen like warm beer?
It's because they have Lucas refrigerators.

Lucas, the Prince of Darkness

Back in my mechanics days, i made good coin getting the smoke back into MG and Triumph "electrics"....
Chris.

Lucas in Triumph - every wire the same color.  Bah, humbug.

 7 
 on: Today at 10:31:35 am 
Started by Nathan Riddle - Last post by Mac Kerr
I'll toss my 2-cents in here

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 8 
 on: Today at 10:18:01 am 
Started by Heath Eldridge - Last post by Helge A Bentsen

 I have both 650's and the Danley's. The SM 80 took the place of a pair of KF650z and do it with half the weight and 1/3 the power requirements. Now I did have the help of Ivan Beaver in setting up the rig but I constantly do shows with the SM 80 that used to be done with KF650's. The 80's are louder and wider and carry further.

Iíd like to see some SPL measurements confirming this before I believe it.
On paper, putting a SM80 up against a pair of KF650z is like bringing a knife to a gunfight.

I owned SH50 a few years back, sounded very good but didnít reach itís stated SPL in my experience.

 9 
 on: Today at 10:06:42 am 
Started by Heath Eldridge - Last post by Kent Clasen
Yes.  I think the SH46 would be a better comparison/step up, or more accurately - a modern KF850 in a KF650 box.  The main points of the KF650 are that it had output, clarity (3-way), low-mids (15" driver), and arrayable.  The SH46 has even more output, even more clarity, OK low mids, and more arrayable.  At lower weight (than KF850), lower cost, and lower amp cost. 

Other potential competitors are the Peter Morris PM60, if you're up for DIY.  Or TW Audio T24N, the Fulcrum models above, Bassboss AT-312.  Maybe even RCF TTP4A.

Fulcrum FA22 for sure. Dave Gunness, VP of engineering at Fulrcum, designed many great EAW [and other EV] speakers. We just got some RCF TTP4A- it is fantastic as well!

 10 
 on: Today at 09:02:13 am 
Started by Brad Harris - Last post by Dan Richardson
Who is multi tracking shows (Dante/USB/AVB/etc) to DAW, and how are you archiving after the gig?

I've multitracked nearly everything for years, directly into Reaper projects so all tracks are named on the fly. Adding video to many in the last two years and going forward. I have a QNAP RAID 6 file server with 8 6TB drives in it, and another at a lower RAID with 8 4TB drives in an out building as a backup. The near one is live 24/7. The remote boots up, runs drive tests, and shuts down every night.

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