CaptureKit is a guided desktop wizard that records your guitar amp as a NAM model — step by step, without opening a DAW, reading a manual, or knowing what a sample rate is.
macOS · Windows · Linux · Requires a tone3000 account
The app plays the sweep through your amp and records simultaneously.
Same amp, different settings? Everything carries over automatically.
CaptureKit guides you through every decision. The things that don't affect tone — sample rates, bit depth, file naming — are handled automatically.
Interactive speaker cone diagram shows exactly where to position your mic for bright, balanced, or warm tone. Tip text updates for every mic and position combination.
Guided loopback calibration locks the output drive to your interface and reamp box — or, with no reamp box, a physical-knob workflow. Dial in input gain until the meter hits green, then run the replicate balance pre-test.
Hit record. CaptureKit plays the tone3000 sweep through your amp and records simultaneously — sample-accurate. Live alerts warn about clipping or no signal as it runs, then it checks the take before you move on.
Amp make, model, channel, gain, speaker, and cab — captured after the recording, since none of it affects tone. This becomes your model name and description automatically.
Auto-generated model name and description, plus a correctly-named WAV ready to upload. A guided handoff takes you to tone3000, where cloud GPUs train the model — usually a few minutes.
One click to do another take of the same amp with different settings. Channel, gain, and mic position are the only things to change — everything else carries over. A session log tracks what you've already captured.
NAM captures have always required a DAW, manual gain staging knowledge, and careful export settings. CaptureKit absorbs all of that.
The errors that make tone3000 reject a model are usually invisible. CaptureKit analyses every take — replicate balance (over/under-driven amp), reverb or IR tail bleeding into the quiet gap, signal-to-noise, DC offset, and clipping — and tells you exactly what to fix, before you waste a training run.
Guided loopback calibration measures your exact interface + reamp box chain and sets the sweep level automatically. No reamp box? A physical-knob workflow plus a replicate balance pre-test gets you there too.
Green / amber / red zones tell you instantly if your mic preamp gain is too hot, too quiet, or just right. Peak-hold marker shows where you've been. Target: −8 dBFS.
The recording is padded or trimmed to exactly match the sweep's sample count — 190.00 seconds. tone3000's validator won't reject it for length mismatch.
Interactive SVG speaker diagram with placement tips for SM57, SM58, e906, ribbon, condenser, and load box. 18 mic × position combinations with specific advice for each.
The app records directly to 24-bit / 48kHz / mono WAV — the exact spec tone3000 requires. No DAW export, no format conversion, no settings to get wrong.
Run up to four inputs simultaneously — useful for multi-mic setups or blending a DI with a mic. Per-device channel selection (Mix / Ch1 / Ch2) for stereo interfaces.
Capturing the same amp at different gain settings, channels, or mic positions is the most common real-world session. One click carries over your amp, mic, and I/O setup — only change what's different. A session log shows every WAV you've captured so far, so you never lose track of what's done.
Previously, capturing an amp meant installing a DAW, configuring audio drivers, setting exact export settings, and hoping the file length was right. Not any more.
Built for the tone3000 ecosystem. Requires a free tone3000 account to upload models.
If CaptureKit saved you time, ☕ buy me a coffee.