Quality generally beats quantity.
The opinions expressed are mine only. These opinions do not necessarily reflect anybody else’s opinions. I do not own, operate, manage, or represent any band, venue, or company that I talk about, unless explicitly noted.
Sometimes, more IS more. It doesn’t matter how nice your mic cables are if you don’t have enough of them. If the show absolutely requires 24 channels, and you have a console with 16 really amazing channels…well, you’re still short by eight.
Yet, there are still plenty of instances where “a handful of bees is better than a basket of flies” (as Moroccans might say).
For instance, some folks are really hung up on the idea that a “main” PA speaker should be built around a 15″-diameter low-frequency driver. The idea is that bigger is better, but that’s not always so. Given a choice, I’ll take a good box built around a 12″ cone over a mediocre offering constructed around a 15. A well-designed 12 can be kinder to the vocals, because the cone driver is better at “playing” higher and covering the range that a small horn-driver can’t quite reach down into. Sure, the 12 probably won’t go as low, but if you want to be “loud” below 100 Hz you’re going to want subwoofers anyway. (For the record, I would never turn my nose up at a perfectly decent box that used a 15 or two.)
Also talking about speakers, there are people who believe a PA with more boxes is superior to a rig with fewer. The problem is that you have to take deployment into account. If you already have the necessary horizontal and vertical coverage happening, more boxes just act to cause more interference problems. The system looks cool because it’s bigger, and it gets louder because there are more boxes, but it doesn’t actually sound better. It might even sound terrible with all that comb-filtering going on. Coverage is sort of like what The Mad Hatter said to Alice: “When you get to the end, stop.”
This applies to bands too, especially when it comes to vocalists. One really brilliant singer with one mic is almost always light-years better than a whole group of vocalists of questionable quality. Beyond the basic aesthetics, not-so-hot singers tend to require a lot more gain to be heard (because they usually haven’t developed much vocal power), and that can easily lead to a system being run on the knife-edge of feedback all night.
…and speaking of people, how about crew-members? Any day of the week, and twice on Sunday, I’ll gladly take one knowledgeable, pleasant, and punctual helper over 15 punters who are late, surly, and have no idea what’s going on.
Tossing more and more junk at a problem rarely fixes the problem. You might eventually smother your issue or manage to distract from it, but the bugbear is still sitting beneath the pile. Applying a sufficient fix, on the other hand, works very reliably. There are times when you need “more.” There’s no getting around that. However, it’s important to avoid using “more” as a substitute for having what will actually do the job effectively.