Microphone modeling is here to stay—and it’s changing the game for home studios, recording engineers, and producers alike.
In this first part of a two-part series, we’re breaking down the basics of microphone modeling, why it matters, and how Universal Audio’s Hemisphere system is making classic mic sounds more accessible than ever.
If you’ve ever dreamed of having a mic locker full of Neumanns, Telefunkens and AKGs without the price tag (or maintenance nightmares), this is for you.
What Is Microphone Modeling?
Traditionally, studios would spend thousands—sometimes tens of thousands—stocking a range of microphones. Every mic has a unique sound character. Some are perfect for vocals, others for hi-hats, guitars, snares or brass. No two mics perform the same across every source, and finding the right mic for the right voice or instrument can make or break a recording.
The problem? Building a full mic locker is expensive. Like, really expensive. A Neumann U87 alone can set you back over $4,000 AUD. Need a U67? That’s closer to $15,000 AUD. And that’s just for two mics.

Enter microphone modeling.
Instead of buying dozens of mics, the idea is simple: use a transparent, clean microphone paired with modeling software that shapes the sound to replicate legendary microphones. The mic captures a neutral recording, and the software does the heavy lifting—applying the color, tone, and character of classic microphones to your recording.
Universal Audio’s Approach: Hemisphere and Modeling Mics
Universal Audio has fully embraced microphone modeling with the launch of their Hemisphere system, paired with mics like the SD-1 (dynamic), SP-1 (small diaphragm pencil condensers), and Sphere LX (large diaphragm condenser).

Nick from Noisegate shared his real-world experience, saying:
“I’ve been using modeling mics for about seven years now, starting with the Townsend Labs Sphere L22, and I love how flexible they make recording.”
With Hemisphere, you can model different mics on the fly—even during the session if you’re using an Apollo interface—or later on when mixing, if you’re running UA Spark natively. It’s incredibly flexible for tracking vocals, guitars, drums, and just about anything else.
And importantly—you don’t even need a Universal Audio interface to use Hemisphere modeling anymore. Native Spark users can unlock the models with a simple software license.
Inside Hemisphere: How It Works
Once you plug in a Hemisphere-enabled mic like the SD-1, you have access to a full library of modeled mics at your fingertips, including:
- DN7: Based on the legendary SM7, famously used on Michael Jackson’s Thriller
- DN20: Based on the RE20, a go-to for broadcast and brass
- Vintage classics like the U47, U67, U87, Sony C800G, and more for the Sphere mics
- More obscure and boutique options for the SP-1 pencil condensers
What’s even better is that the Hemisphere software includes tooltips and descriptions for each mic model, telling you what applications they suit best—whether it’s vocals, acoustic guitars, overheads, brass, or snares.
As Nick explains:
“The Hemisphere system is like having a full mic locker at your fingertips. It’s incredibly flexible, especially if you’re recording a lot of different voices or instruments.”
Why Use Modeling Mics?
There are two massive reasons:
- Cost Efficiency
The UA SD-1 Dynamic Microphone sells for around $590 AUD. Compare that to a real SM7B (about $800 AUD) or an RE20 (around $1,300 AUD), and the value becomes clear. And with modeling, you’re getting multiple mic sounds in one device, not just one. - Flexibility in Recording and Mixing
With traditional mics, you’re locked into the sound at the time of recording. With Hemisphere, you can adjust the mic profile after tracking, tweak the tone to better suit the mix, or even print with a different flavor altogether.

Nick summed it up perfectly:
“You can record once, change the mic later, and get different tones without needing to re-record anything. It’s so powerful for session flexibility.”
Whether you’re recording vocals, mic’ing a guitar amp, layering acoustic guitars, or building drum overheads, Hemisphere gives you the ability to experiment without needing a full cabinet of vintage mics.
Real-World Sound Demos
Nick also demoed how the SD-1 sounded across several mic models using the Hemisphere plugin. The differences are subtle but powerful—just like you’d expect from swapping physical microphones in a real-world studio setting.
Switching from the clean SD-1 sound to models like the DN7, DN20, and DN88, you hear:
- Slight boosts in presence
- Rolled-off low end for more clarity
- Changes in warmth and bite depending on the mic selected
It’s not like flipping through heavy guitar amp simulations—it’s more refined, the way real microphones naturally vary from one another.
Final Thoughts
Universal Audio’s Hemisphere system combined with the SD-1, SP-1, and Sphere microphones offers an incredibly powerful, affordable, and creative toolset for today’s recording musician.

Instead of spending thousands on a dozen mics, you can record world-class tones with a single modeling mic and have flexibility to tweak, sculpt, and experiment later.
If you’re working with different singers, instruments, or just want the freedom to dial in the perfect sound for every track without a bank loan, microphone modeling is worth a serious look.
Stay tuned for Part 2, where we’ll dive into real-world recordings of vocals, acoustic guitars, percussion, and more using Universal Audio’s modeling mics.

