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 11 
 on: Today at 12:18:54 am 
Started by Tim Padrick - Last post by Tim Padrick
I can't get a call back from PRG, so here I am.

The impedance curve of the box is attached*.  The driver specs I've picked up from here and there over the years are: Nominal Z = 8, Re = 5.6.  FS = 25Hz.  Pe = 800W (800 continuous sine I believe).  Power compression is I believe 1dB at 56V, 2dB at 80V, 3dB @ 100V.  I need to set a high-pass and limiter (Rane RPM88 - attack time is in db/sec).

*4 Ohm power resistor in series with the 4 Ohm box, drive level set at each frequency for 4V across the resistor = 1 Ampere through the box.

 12 
 on: Today at 12:09:50 am 
Started by Lee Wright - Last post by eric lenasbunt
If you are only making 20% per gig on average you need to be doing higher price tag events. Iíll take 20% of a $10k gig all day. 20% of you $500 gigs, no thanks.

I would say either purchase your most common gear setups or get into higher end work.

If you want to ďautomate and create passive incomeĒ then service businesses donít tend to work great.
Read Tim Farrissís 4 hour work week, itís all about how to do that.

If you want to stay in this business Iíd recommend another book, the Pumpkin Plan by Mike Michaelowicz.
Itís about becoming more profitable by eliminating time and resource draining customers and adding better ones.

I donít think you have an automation problem, you have a profitability problem


Sent from my iPhone using Tapatalk

 13 
 on: Yesterday at 11:38:24 pm 
Started by Patrick Campbell - Last post by Matt Greiner
I use a Dell Latitude XT3.  It's a i5 2.5GHz and I have 8 GB of RAM with an SSD.  Even though it's a smaller monitor, it is a touch screen.  I do most of my programming with my larger 24" touch screen ahead of time and then just run the shows from this XT3.  I use a M-Touch or M-Play (or both) for my shows.

I agree that a larger screen is definitely an advantage.

 14 
 on: Yesterday at 11:34:46 pm 
Started by Lyn Gillean - Last post by Steve Litscher
Surge = lightning.  If you're in a place where this has been a problem for your area, I seriously suggest looking at SurgeX models to protect the branch circuit(s) that power FOH/the tech world.  If you're not in a locale where lighting is a common issue you probably don't need additional surge protection beyond what is provided by the UPS.  I don't seen surge protection on touring rigs from Clair, Ratt or Clearwing.  The video guys tend to have very big UPS units but I don't recall any outboard surge protection.

You mention "power conditioner" and I can only surmise that is used after a "power shampoo."  There is NO SUCH THING if it's a passive device.  We can blame Furman for conjuring up this bullshit description 25 years ago (like Mackie and "unity" as if it were something special) and it won't go away... but if the device doesn't isolate the load neutral from the line neutral, all the harmonics that end up on your neutral will still be there.  Lather all you want, but unless you do a double conversion UPS like Jeff mentions (which is not a passive device), there ain't no such thing.

Also your URL link is broken.  You need to go back and edit the "quote" marks out of it.

As for the APC model it links to, I think it is suitable for your use; we use the Tripp-Lite equivalent "smart" UPS.  Replace the batteries every couple of years and you'll get a decade+ of service from it.

Thanks, Tim - this is incredibly helpful.

So... lighting = no issue. As most everyone else here would likely do, we will shut-down production at the first hint of an electrical storm, so it sounds like the SurgeX may not be a necessary item.

What I do worry about is surges from generators and/or dodgy local power.

Would the Eaton UPS be our best, single bet? I've also been looking into the Furman P-1800 AR (voltage regulator) with the thought that it would provide consistent 120V and hopefully that would be a "clean" 120V... I believe the 1800-AR provides regulation whereas the 1800 PF C may not.

If we went with something like the Eaton 9PX700RT in the rack, would there be any need for any other power conditioner/regulator? My only goal is to protect the CDM32 while allowing for a semi-graceful "mute" of all mains in the event of a major power issue.

There's also the SurgeX SU1000LI which is a UPS/surge protector... I wonder if that would be worth looking into?

 15 
 on: Yesterday at 11:19:16 pm 
Started by Andrew Broughton - Last post by Jordan Wolf
...It would be something if there were an API to allow 3rd party devices to scan directly into WWB, as I would figure out a way to add my SDRPlay or RFExplorer...
Yeah, it certainly would be nice.

I just use Vantage with my RFExplorer and tap into whatever the mics are using to view the world with.

 16 
 on: Yesterday at 11:15:27 pm 
Started by Jonathan Goodall - Last post by Caleb Dueck

Maybe I'm misunderstanding your statement (totally possible since you're referring to a product that doesn't exist) but for the sake of clarity, neither the GLD nor the SQ series do processing in the mix rack. 


You're thinking of iLive and DLive products, in the A&H world anyway, where the DSP is in the mixrack and the surface is just an (optional) controller with local I/O.
In talking with the new A&H sales manager recently, I mentioned how there is still a gap between the small dLive and the SQ6.  It's the gap that the GLD still occupies, for an unknown future time frame.   

Since the iLive morphed into the dLive (processing in the stage rack) and Qu morphed into SQ (processing in the surface), the only one left is the GLD.  I don't think it makes sense for a potential "super-GLD" to be it's own family, but to also have a slightly stripped down dLive core.  Like the GLD, processing in the surface.  The easiest way to get there is a larger SQ surface with a few more faders (32), few more dedicated knobs, and slightly increased channel count (64).  Priced around $5-6k or wherever the M32 is priced currently.

I don't have any inside knowledge this time, this is just educated guessing. 

Sent from my VS980 4G using Tapatalk


 17 
 on: Yesterday at 10:50:34 pm 
Started by Jonathan Goodall - Last post by Mac Kerr
I believe the Dante & Waves sound-grid cards will be 96kHz and 48kHz switchable. At the very least they will run at 48kHz (does dante even do 96kHz?)

Dante as a network transport protocol is sample rate agnostic. It can support the common rates from 48kHz to 192kHz, even multiple rates on the network simultaneously. Dante devices may or may not support multiple sample rates, and any device at a given sample rate can not communicate with another device at a different sample rate without SRC.

Mac

 18 
 on: Yesterday at 10:37:44 pm 
Started by Jonathan Goodall - Last post by Nathan Riddle
To my limited understanding of Dante networks, the SQ is 96khz only, and the iLive/GLD products are 48khz only, and therefore they can exist on the same Dante network but cannot send any audio back and fourth. 

The DLive product series has a networking card adapter that allows a 48khz Dante card (or MADI, etc) to be installed in the 96khz DLive system which converts the sample rate, therefore allowing use of a GLD80 as a Monitor Mixer on a digital split for a DLive at FOH (for example).

Following along, to the best of my knowledge, this isn't an option on the SQ series.

I'd love to be wrong on this, but that's what I understand to be the case at the moment.

I believe the Dante & Waves sound-grid cards will be 96kHz and 48kHz switchable. At the very least they will run at 48kHz (does dante even do 96kHz?)

The SQ internally always runs @ 96kHz, but the dSnake & IO card will have to accept 48kHz inputs so it upconverts.

http://community.allen-heath.com/forums/topic/sq-me1-500-connectivity/#post-69092

http://community.allen-heath.com/forums/topic/sq-to-qu-connections/#post-68898

http://community.allen-heath.com/forums/topic/external-clocking

At least this is my current understanding.

 19 
 on: Yesterday at 10:28:49 pm 
Started by Michael Montag - Last post by Mac Kerr
So 40 X 5000 = 200,000

200,000/8=25,000 watts

Measured was 50 X 208 x 1.73 = 17,992

Hence the 1/8 power rule of thumb?

Could be. All I know is it was LOUD. 40 V-DOSC, 24 SB218 subs, 12 dv-DOSC down fills, plus, at the artist's insistence, 12 S4 subs, and a loud Clair monitor rig. All this pre IEMs. The FOH mixer thought it sounded great, better than their regular tour rig, but wouldn't admit that to the production mgr. Did I say it was loud? Blow the doors open in a 10,000 seat arena.

Mac

 20 
 on: Yesterday at 10:26:25 pm 
Started by Lyn Gillean - Last post by Tim McCulloch
Follow-on question...

We just purchased a dLive system and I'd like to have a good UPS and quality surge protector in the rack along with the CDM32.

Was looking at the APC SMC1000 for a UPS but am not sure what to do in terms of a surge protector or power conditioner... I like the Furman 1800 PF C, but am not certain about its surge protection capabilities.

Thoughts? Suggestions?

Surge = lightning.  If you're in a place where this has been a problem for your area, I seriously suggest looking at SurgeX models to protect the branch circuit(s) that power FOH/the tech world.  If you're not in a locale where lighting is a common issue you probably don't need additional surge protection beyond what is provided by the UPS.  I don't seen surge protection on touring rigs from Clair, Ratt or Clearwing.  The video guys tend to have very big UPS units but I don't recall any outboard surge protection.

You mention "power conditioner" and I can only surmise that is used after a "power shampoo."  There is NO SUCH THING if it's a passive device.  We can blame Furman for conjuring up this bullshit description 25 years ago (like Mackie and "unity" as if it were something special) and it won't go away... but if the device doesn't isolate the load neutral from the line neutral, all the harmonics that end up on your neutral will still be there.  Lather all you want, but unless you do a double conversion UPS like Jeff mentions (which is not a passive device), there ain't no such thing.

Also your URL link is broken.  You need to go back and edit the "quote" marks out of it.

As for the APC model it links to, I think it is suitable for your use; we use the Tripp-Lite equivalent "smart" UPS.  Replace the batteries every couple of years and you'll get a decade+ of service from it.

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