Blue Cat Audio Hot Tuna
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Information
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Manufacturer Information
Blue Cat Audio
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What Blue Cat Hot Tuna Is For
Blue Cat Hot Tuna is a chromatic tuner plugin designed to ensure the intonation of your takes and performances in real time. It naturally integrates into a production workflow (guitars, basses, synths, vocals, amplified acoustic instruments) to quickly check tuning before recording, between takes, or during mixing. In live contexts, its signal muting or attenuation function allows for clean tuning without disturbing the front of house, making it a simple, reliable, and immediately effective tool.
Main Features
Precise tuning and clear reading
Hot Tuna offers a pitch detection designed to remain stable and readable. The plugin also displays the deviation from the correct note in cents, a very useful detail for refining tuning, checking intonation, or monitoring the stability of a source (strings, vocals, amplified wind instruments).
Adjustable mute/dimming for stage use
When the tuner is active, you can mute or reduce the signal level. The dimming level is adjustable: perfect for maintaining minimal in-ear monitoring or, conversely, completely cutting the output during tuning.
Variable tuning fork for non-standard tunings
The reference frequency can be set from 430 to 450 Hz. This allows adaptation to an instrument calibrated differently, an ensemble playing lower or higher, or specific contexts (archive recordings, orchestras, vintage keyboards, etc.).
Studio integration: automation, MIDI, and user comfort
The plugin easily integrates into most digital audio workstations thanks to full automation support and MIDI control (with MIDI Learn). The interface is customizable (transparency, zoom), the bypass is designed to be noise-free, and the Undo/Redo functions as well as preset management facilitate daily use, whether working on a single project or repetitive sessions.
Technical specifications
| Type | Full software |
| Downloadable | Yes |
| No CPU usage at rest | processing stops during silence (CPU optimization) |
| Customizable interface | transparency and zoom |
| Smooth Bypass | noise-free activation/deactivation |
| Mac | VST-2, VST-3, AU, AAX |
| Windows | VST-2, VST-3, AAX |
| System | Mac OS 10.9 or later |
| Processor | Intel or Apple Silicon |
| Version | 1.21 |
| AAX | Apple Silicon support (AAX format) |
| Host compatibility improvements | fixes and display/loading adjustments (including VST3) |
Questions frequently asked
Is Blue Cat Audio Hot Tuna compatible with Mac Apple Silicon?
On Mac, the plugin requires macOS 10.9 or later. It works with both Intel and Apple Silicon processors. VST2, VST3, AU, and AAX formats are available, with Apple Silicon support for AAX.
Does Hot Tuna work on Windows?
On Windows, VST2, VST3, and AAX formats are supported.
How to mute the sound during live tuning?
When the tuner is activated, the signal can be muted or dimmed. The dimming level is adjustable to allow for reduced monitoring or complete output cut.
What reference frequency can be set?
The reference frequency is adjustable from 430 to 450 Hz to accommodate non-standard tuning forks.
Can the plugin be controlled from a digital audio workstation?
Integration includes full automation and MIDI control support with MIDI Learn. Preset management, as well as Undo and Redo functions, are also available.
