Hi everybody, I hope you’re doing marvellously well.
We’re big, we’re bad, we’re back, and this week’s FAQ Friday dives straight into some of the most misunderstood, overcomplicated, and occasionally overthought areas of recording and mixing. From phase versus polarity, to how long you should really spend on a mix, to the age-old “one microphone” question, today’s episode is a brilliant reminder that great engineering is often about clarity, intention, and making smart, musical decisions.
Can EQ Really Fix Phase Problems?
This is one of those questions that separates theory from real-world practice.
Strictly speaking, EQ doesn’t “fix” phase issues in the traditional sense. Phase is about time alignment, not frequency balance. If two microphones capture the same source at slightly different times, you’re dealing with phase relationships caused by distance and timing.
However, in practical mixing, EQ becomes an incredibly powerful tool for managing the consequences of phase.
Think about multi-mic setups, especially drums. You’ve got close mics capturing immediacy, overheads capturing a slightly delayed version, and room mics even later still. That timing difference is natural and often desirable, it gives you depth and size. However, where it becomes problematic is in the low end, where longer wavelengths are far more susceptible to phase cancellation and build-up.
So what do we do?
We shape.
Rolling off low end in overheads and room mics helps remove conflicting low-frequency information that clashes with your kick and toms. Suddenly, your low end tightens up, not because you “fixed” the phase, but because you stopped competing information from fighting each other.
A perfect example is DI and amp bass signals. These will never perfectly align in a way that satisfies both tone and physics. Instead of chasing perfection, you define roles:
- DI handles the low-end solidity
- Amp delivers character, grit, and midrange
By EQ’ing each source into its own lane, you eliminate phase-related muddiness and create a cohesive, powerful bass sound.
It’s not about perfection. It’s about intention.
The High-Pass Filter Debate: Myth vs Reality
There’s been a lot of chatter lately about whether you “should” use high-pass filters.
The truth?
It depends.
If there’s unwanted low-frequency noise, rumble, or energy that isn’t contributing musically, removing it is simply good engineering. Whether it’s air conditioning noise on a vocal or low-end build-up from multiple mics, a gentle high-pass can clean things up beautifully.
More importantly, in multi-mic scenarios, filtering isn’t just about cleanliness, it’s about focus.
Do you really want delayed low-end energy from room mics smearing your kick drum? Or do you want a tight, punchy foundation?
Exactly.
How Long Should You Spend Mixing a Song?
This is the classic “how long is a piece of string?” question.
The honest answer is: as long as it takes.
However, the real skill lies in how you use that time.
Spending hours looping a snare or obsessing over a hi-hat can quickly destroy your perspective. As Bob Clearmountain wisely pointed out, over-focusing on one element leads to losing the bigger picture.
The solution is simple, yet often ignored:
- Work quickly on broad, impactful moves
- Constantly check decisions in context
- Take regular breaks
Step away, reset your ears, and come back with fresh perspective. You’ll make better decisions, faster.
Many top-tier mixers adopt a two-stage approach:
- Day one: Get the mix sounding great overall
- Day two: Refine, enhance, and add detail
This approach not only preserves objectivity, it also creates space for collaboration. By presenting a strong foundation early, you allow the artist or producer to guide the final creative touches.
Mixing isn’t about endless tweaking. It’s about knowing when to stop and when to listen again.
If You Could Only Use One Microphone…
This question always sparks debate, and for good reason.
Ask some of the greatest engineers in the world, and you’ll often hear the same answer, slightly cheeky, slightly revealing:
They pick two.
Typically:
- A dynamic workhorse like an SM57 or SM7
- A large diaphragm condenser like a U87
And there’s a reason.
A dynamic mic gives you durability, punch, and versatility. It works on snares, guitar amps, even acoustic instruments in the right hands.
A large diaphragm condenser gives you detail, depth, and a more refined capture, perfect for vocals and a wide range of instruments.
If forced to simplify it even further, the philosophy becomes clear:
Choose tools that are versatile, reliable, and musical, not just impressive on paper.
Because ultimately, it’s not about the microphone.
It’s about how you use it.
Final Thoughts: Simplicity Wins
What ties all of today’s questions together is a common theme:
Stop chasing perfection, start making decisions.
- Use EQ to shape, not “fix”
- Use time wisely, not endlessly
- Use gear that works, not just what looks impressive
The best mixes don’t come from overthinking. They come from clarity, experience, and trusting your ears.
If you’d like to go deeper into these techniques, from phase alignment to full mix breakdowns, come and join us inside the Produce Like A Pro Academy. For just $99 a year, you’ll get access to an incredible community, weekly mix feedback, and hands-on learning that continues to grow every single week.
And of course, don’t forget the book The Home Studio Recording Guide, written with Jerry Hammack, a fantastic resource that’s now found its way into universities around the world.
Can EQ Really Fix Phase Problems?

