Experimental nonlinear preamp DSP prototype

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AmpLab

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amplab 0.7.2 is out.

This update continues the work on dynamic cabinet behavior under heavier master load and overload pressure. I also added a new NoiseGate module and finally implemented mirrored Windows audio output for the standalone version, which makes realtime demo/video recording much less painful on ASIO setups.

I finally managed to record a proper realtime demo video as well:



Also, Iron Stack v0.2.1 available.

amplab:
https://www.budrinlabs.com/amplab

Iron Stack:
https://www.budrinlabs.com/ironstack
Related topic: viewtopic.php?t=630426

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Short patch to v0.7.2

* Improved dynamic cabinet behavior and overload response
* Reworked drive / overdrive behavior, especially smoother and wider midrange response
* Updated UI to expose the new gate controls
* Updated package README

Get latest build on ko-fi:
https://ko-fi.com/s/b8d7e5715c

Also, Iron Stack v0.3.1 with new interface and reworked EQ is now available.
Related topic: viewtopic.php?t=630426
Demos&Download: https://www.budrinlabs.com/ironstack

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amplab v0.8.0 — Release changes

- Reduced input level to handle hot humbuckers and boost pedals better
- Less unwanted distortion at lower Gain settings
- Removed clicks and crackling while turning controls
- Smoother real-time control changes
- Cleaner pick attack with less harsh high-frequency fizz
- Improved cabinet response under heavy load
- More consistent sound across different guitars and pickup outputs

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Amplab 0.8.0 and Iron Stack 0.4.0 are now also available as free experimental Android builds.

They includes the full signal chain: gate, drive, preamp, power amp and cabinet. A USB audio interface is recommended. Latency and stability depend on the Android device.

Also free desktop demo for Iron Stack is also available.

Download and screenshots:

https://www.budrinlabs.com/amplab
https://www.budrinlabs.com/ironstack

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Amplab v0.8.1 — Release changes

* New interface with a more intuitive signal flow layout
* Replaced custom controls with native rotary knobs for improved usability
* Reworked British amp models for more authentic voicing and gain structure
* Better transition from classic crunch to high-gain tones
* Refined Green OD behavior and interaction with amp stages
* Revoiced Steel Distortion with stronger low-end response
* Added a slight fuzz-like character at the edge of saturation for Steel Distortion
* Reduced cabinet buzzing at lower gain settings
* Smoother transition into cabinet saturation under light playing dynamics
* Improved overall consistency of dynamic cabinet behavior

A new demo is also available, showcasing the updated interface, the revised British amp tones and the drive section in action:



The demo was recorded using a Fishman Fluence Classic bridge humbucker in full humbucking mode (no coil split).

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Amplab v0.9.0 is out

What’s new:
* Added two new distortion pedals: Classic Distortion and Rat Bite
* Reworked the overall Drive section for a more useful gain range and better interaction with the amp models
* Added the free Amplab Community edition for Windows, macOS and Linux
* Community edition includes Bright Clean, British 800, British 2000 and Green OD
* Minor cabinet tuning updates

Download / more info:
https://budrinlabs.com/amplab

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Amplab v 1.0 released!

Amplab 1.0 includes:
- A new well-aligned and minimalistic UI
- 7 amp voices, from clean pedal platforms to modern high gain
- 5 drive pedals
- dynamic cabinet models
- noise gate
- power amp section
- cabinet bypass
- VST3 and standalone builds
- Windows, macOS and Linux support
- a free Community version
The free Community version includes three amp presets and one overdrive, so you can try the basic feel of the plugin without buying the full version.

Download:
budrinlabs.com/amplab

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A quick update: Amplab Community Edition have been submitted to the KVR Developer Challenge 2026.

While waiting for the challenge release, I'm continuing to work on bug fixes, presets, and general polish. Thanks to everyone who has tested the plugins and provided feedback so far.

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Hi everyone,

I'm looking for a few volunteers to help test Amplab Android before the first public release.

Amplab is a real-time guitar amp and effects processor for Android focused on low latency and realistic amp response.

I'm mainly interested in testing:

- USB audio interface compatibility
- Stability on different Android devices
- Latency
- General sound quality
- Bugs and UI issues

Requirements:

- Android phone or tablet
- A USB audio interface (Focusrite, Behringer, M-Audio, etc.)
- An electric guitar or bass

Please note that Amplab currently requires a USB audio interface. Direct connection through the phone's headset input is not supported.

If you'd like to help, please reply here or send me a PM with:

- Android device model
- Android version
- Audio interface model
- Your email

Any feedback is greatly appreciated. Thanks!

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Amplab 2.1.0 — major update

This is a large pass over the whole instrument — not a polish release. Amp stages, cabinets, the FX route and the desktop UI were all rebuilt with the goal of making Amplab feel more like a real amp under the fingers and less like a static plugin chain. If you used 1.x, this should sound and play noticeably better.

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Amp / power
- Deeper work on the amp path so gain builds and recovers more naturally instead of flattening into one wall
- Power amp and supply behaviour tightened so drive, clarity and master interact more like a real head
- Factory voices re-checked end-to-end; cleaner cleans, more usable British edges, denser modern gain without turning to mush

Cabinets (big part of this update)
- Dynamic cab path reworked: not just a fixed EQ curve
- Enclosure reflections, excursion / compression under load, and breakup that actually moves with playing energy
- Better match between power model and cab voicing so each preset sits in a more convincing “amp into box” space
- Cab response now carries more of the “this feels alive” character of the plugin

FX chain & pedals
- The old chain was the weak link — 2.1 rebuilds it into a proper route: Gate → Drive → Preamp → Mod → Power → Cab → Delay → Reverb
- Visual FX router + per-block editor (tap a block, tweak knobs, on/off in place)
- Drive models, modulation, delay and reverb brought up to the same standard as the amp path instead of sitting as light add-ons
- Signal order matches what you hear: mod before power, time FX after cab

UI
- Amp-head face for day-to-day playing (presets, gain/EQ, master)
- FX router / pedal editor for deep editing without dumping everything on one screen
- Clearer separation between “play the amp” and “edit the chain”

Community 2.1.0 (free, Win / macOS / Linux)
- Same amp set as full
- Power + cab baked into presets (no model pickers)
- Chain cut to Preamp → Power → Cab → Room reverb
- Meant as a real amp/cab audition, not a crippled toy demo

Platforms
- Matched 2.1.0 packages for Windows, macOS and Linux (Standalone + VST3; Windows ASIO in the full/standalone builds)

Bottom line: cabinets and FX were the main quality bottlenecks; both got serious work. The amp side was tightened with them. Result should be a clearer, more dynamic, more “playable” Amplab than 1.x.

Community: https://www.budrinlabs.com/audio
Full build: https://ko-fi.com/s/b8d7e5715c
Details: https://www.budrinlabs.com/amplab

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