COHEN CONCEPTS

Load Guitar Cab IRs Natively in Logic Pro and Ableton Live

Apr 18, 2026

Download the presets used free: Guitar Cab IR Loader – Mitchell's Method

Most guitar cabinet IR loader plugins are doing one essential job: convolution. That means you do not always need a dedicated third-party IR loader to get a convincing cabinet tone. If your DAW already includes a convolution reverb, you can often load the same guitar cabinet impulse response directly inside the stock tools.

In this Mitchell's Method lesson, I show how to load guitar cabinet impulse responses completely natively in Logic Pro and Ableton Live. In Logic, the tool is Space Designer. In Ableton, it is Hybrid Reverb. Both can load the same cabinet IR file you would normally put into a plugin like STL Tones NadIR.

The basic idea

A guitar cab IR is an impulse response: a short audio file that captures the frequency and time-domain behavior of a speaker cabinet, mic, and sometimes the room or signal chain. Dedicated IR loaders make that process convenient, but the core engine is convolution. Logic and Ableton both already have native convolution tools, so the question is simple: can they load the same file and produce the same sound?

For the comparison, I used STL Tones NadIR as the reference because it is a popular free IR loader. I set the balance fully left so only one cabinet IR was active, disabled the filters, turned down resonance and delay, removed room coloration, and adjusted gain only for level matching. That makes the test about the IR loading itself, not extra processing.

Why the raw amp needs a cab

The amp tone in the video starts with the cabinet section removed. I used the amp head from Archetype: Misha Mansoor with everything else shut off. On its own, that kind of raw amp tone is harsh and unfinished because it has not been shaped by a guitar speaker cabinet. The cab IR is what turns the amp output into a usable guitar tone.

Logic Pro: using Space Designer as an IR loader

In Logic Pro, open Space Designer and load the cabinet IR file directly into it. In the video, I drag the exact same IR file from Finder into Space Designer that was loaded in NadIR. Once it is loaded, Space Designer is effectively acting as the IR loader.

The important part is to avoid adding extra reverb-style coloration. You want the cabinet impulse response to be the sound, not a blend of unrelated ambience or processing. With the same IR loaded, the Space Designer version and the dedicated IR loader version match closely enough that the practical result is the same.

Ableton Live: using Hybrid Reverb for guitar cabs

In Ableton Live, add Hybrid Reverb to the guitar track and switch it to the convolution side. Disable the extra processing you do not need, remove pre-delay, and drag the same cabinet IR onto the display. Set the wet amount to 100% so you are hearing the full cabinet response rather than a partial blend.

That last detail matters. A guitar cabinet is not usually something you blend in like a send reverb. If the amp track needs the cab, the cabinet IR should be fully active on that signal.

Why this is useful

This approach keeps your sessions simpler. If you already own Logic Pro or Ableton Live, you can use their built-in convolution engines instead of adding another plugin just to load an IR. It can also help when you have a lot of guitar tracks and want to reduce third-party plugin overhead.

  • No extra plugin required: use stock DAW tools you already have.
  • Clean session management: fewer third-party dependencies when reopening projects later.
  • CPU-friendly workflow: useful when stacking multiple rhythm guitars, layers, or doubles.
  • Same core result: the native convolution engine can load the same cabinet IR file.

Key takeaways

  • Logic Pro's Space Designer can work as a guitar cabinet IR loader.
  • Ableton Live's Hybrid Reverb can load cabinet IRs in convolution mode.
  • Set Ableton Hybrid Reverb to 100% wet when using it as a cab stage.
  • Dedicated IR loaders are convenient, but native convolution reverbs can often produce the same result.
  • This is a practical way to save CPU and keep sessions cleaner.

Timestamps

  • 0:00 – Introduction to the guitar cab hack
  • 0:18 – Setting up the comparison with STL Tones NadIR
  • 1:07 – Convolution engines vs. IR loaders
  • 1:33 – Hearing the raw amp tone without a cabinet
  • 1:57 – Logic Pro: using Space Designer for IRs
  • 2:53 – A/B comparison in Logic Pro
  • 3:42 – Ableton Live: using Hybrid Reverb for IRs
  • 4:50 – A/B comparison in Ableton Live
  • 5:10 – Final results and CPU benefits
  • 5:36 – Outro and wrap-up

Download the free companion asset here: Guitar Cab IR Loader – Mitchell's Method.