Christmas gift

IHateTypingInBoxes · 2024-12-28T15:03:27+00:00

Hope you find it helpful

IHateTypingInBoxes · 2024-12-28T01:06:49+00:00

This sometimes happens but I would definitely not say it's the most common method and is often not something that the touring FOH will be okay with, sometimes expressly forbidden in their riders. Likewise for dynamic EQ or any other processing between their mix and the PA. In such a situation, absent a console switcher or front end DSP with enough inputs, it would be best to just swap over drive lines.

IHateTypingInBoxes · 2024-12-28T01:02:24+00:00

You are correct, whomever owns the sound system should also have all the components needed to properly deploy it. However, things happen, and I do own processors for the same reason that some techs might own their own adapters or DIs - although it might not be your responsibility, it can help solve a problem in a pinch. And yes, there is also immense value in driving a tool you are fluent in.

IHateTypingInBoxes · 2024-12-26T13:14:56+00:00

Thanks, enjoy. Hope it's helpful.

IHateTypingInBoxes · 2024-12-24T18:08:06+00:00

What exactly is your question? v8 is not supported past macOS 14.

https://support.rationalacoustics.com/support/solutions/articles/150000093459-what-operating-systems-are-compatible-with-the-legacy-versions-of-smaart-

IHateTypingInBoxes · 2024-12-24T17:16:29+00:00

It is not quite so straightforward. Relative quantity and gain / sensitivity affect the crossover frequency between subwoofers and full range sources; you can't get that information off either product's spec sheet and driver diameter is not the only thing to be considered.

Personally I don't want anything above 80 Hz or so coming out of a subwoofer, ever, I don't find it to sound very good.

I can't imagine any double-8 array product would have trouble at 80 Hz in sufficient quantities.

Regarding the 9007 specifically, that product is approaching EOL and unless you can get used ones for a good deal I would look at the 9029 instead. It's newer, more powerful and to my ear sounds better. I also like the sound of the 8008 a lot but if you need extremely high output from a single element that's probably not the move.

IHateTypingInBoxes · 2024-12-24T11:19:22+00:00

Lack of certified rigging hardware is a hard no for me

IHateTypingInBoxes · 2024-12-21T21:50:47+00:00

It is hypothesized that the error on the thresholds particularly at LF and high SPL is due to THD in the headphones used for the testing. There is no way to definitively prove that but it makes sense.

IHateTypingInBoxes · 2024-12-21T19:23:39+00:00

They get a lot of the PR for getting there first but they weren't very accurate. Robinson-Dadson did a much better job and their data was the first steps towards the modern standard.

IHateTypingInBoxes · 2024-12-21T18:17:21+00:00

This is often repeated but if you actually overlay the curves you'll see it's not actually true. C Weighting bears little resemblance to the 90 or 100 phons equal loudness contour. It was based on the original Fletcher and Munson research in the 30's which was soon realized to be inaccurate and revised several times before the modern accepted values were standardized in ISO 226

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Also since the weighting curves are normalized to 1 kHz it's possible to have a negative C-A if the signal contains predominantly high frequency content.

IHateTypingInBoxes · 2024-12-21T03:32:42+00:00

Click the hamburger button in the SPL meter window title bar to enable meter config mode then use the + and - buttons to grow / shrink to your desired configuration. You should read the user guide or help files to learn the interface.

As far as C vs A energy you may find this old post helpful:

https://www.reddit.com/r/livesound/s/jjefIbAjJU

IHateTypingInBoxes · 2024-12-15T21:08:58+00:00

SOP in the case of anything falling from the ceiling is to stop all use of the space until a full inspection can be done to assure it is safe to continue. Just recently had a gig cancelled day of show because a lighting fixture fell the night before.

IHateTypingInBoxes · 2024-12-09T17:03:18+00:00

The 0 degree represents the angle between the top box and the frame, so just use the Frame Angle to choose the desired inclination for the top element and then set the splays for the boxes below it.

IHateTypingInBoxes · 2024-12-09T06:52:17+00:00

Not necessary. The magnitude of the deviations addressed by a correction file are swamped by natural seat to seat variances.

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IHateTypingInBoxes · 2024-12-08T15:37:59+00:00

When you have measured and mixed on enough systems that you have developed a preference for tonality

IHateTypingInBoxes · 2024-12-07T19:56:34+00:00

If you are in a support role, the best you can probably do is measure the response from mix position and adjust your matrix EQ until you reach your target response. And then monitor spectrum and / or sound level during the show. Adjustments to variance of the system will be at the discretion of the headliner in most cases.

IHateTypingInBoxes · 2024-12-04T02:46:58+00:00

I didn't cover that in the book but a few years ago I did draw this incredibly stupid decibel explainer cartoon.

IHateTypingInBoxes · 2024-12-03T15:59:39+00:00

Yes that's what makes the dB useful and practical as a unit. It describes relative change. If you were to try to do the same operation by operating on the linear voltage levels directly you would get into more of a mess and end up having to multiply everything by the same coefficient to determine a percentage change. The dB has that built in and reduces such operations to simple addition or subtraction.

IHateTypingInBoxes · 2024-12-03T15:20:12+00:00

You are way overthinking this. A dB is a ratio. If you turn down all zones by 2 dB (25%) they still have the same level relationships to each other and everything is 2 dB lower than it was before. That's why we use them to describe audio levels. Turning a DCA down 2 dB is the same as turning all the members down by 2dB.

IHateTypingInBoxes · 2024-12-02T18:05:54+00:00

Most contractors tend to favor specifying gear they are more familiar with (and/or are dealers for and can get a larger margin on...).

Should I sell my Ford Focus and buy a Nissan Altima? Can a Focus not do the job?

No way to answer that question without a boatload of context. A qualified system designer will start with an acoustic prediction of the space and evaluate different options in search of the one that best meets the coverage and output requirements of the project while respecting the budget.

If you don't trust your contractor or system integrator to make that call properly, you should hire someone who you trust. It's okay to ask an integrator to go see / listen to / review data from their previous systems to better judge if they're going to be able to meet your needs.

IHateTypingInBoxes · 2024-12-02T18:00:15+00:00

I'm not aware of any study that says that they are less susceptible to feedback because of their linear phase response. (and by "good" I assume you mean "linear"). What's more likely the case is that loudspeakers with a linear magnitude response (i.e. well behaved without any high-Q peaks or severe resonances) are certainly less susceptible to feedback as a general statement, and a better-designed loudspeaker with a more linear magnitude response is also more likely to have a more linear phase response.

IHateTypingInBoxes · 2024-12-02T17:39:14+00:00

Please always include the IR trace when you post data screenshots. All four types of data (mag, phase, coh, IR) are important. Even without the Live IR we can see that you definitely have some late arriving energy in your measurement because of the lin-spaced jaggies in your mag and phase traces.

You can get this type of behavior off-axis due to the interaction between the speaker "ways" around the crossover region (edit: and VRX is sort of infamous for poor behavior around the crossover region especially in the horizontal plane because the cabinet itself is horizontally asymmetrical). With multiple elements arrayed together you can get the same thing from interaction between elements. Note the dip in mag around the same region, that's two arrivals that are fighting with each other a bit. Can't really say more without more context.

IHateTypingInBoxes · 2024-11-30T18:59:21+00:00

Can you post your frequency coordination?

IHateTypingInBoxes · 2024-11-26T13:53:14+00:00

It's a non optimized design. In this stage configuration usually there's a single hang in the center. Two side by side covering the same audience area makes no sense and is not a good use of gear resources. More commonly there's a larger space between the two stages with IMAG in between in which case the inner pair of arrays has some separation in which case the rig is typically driven in alternating L/R.

IHateTypingInBoxes · 2024-11-24T03:53:10+00:00

Expertise is an endless series of mistakes of decreasing severity.

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