1. Introduction
The Klevgrand Stark Amp Simulator is a powerful and versatile audio plugin designed to provide guitarists and producers with a comprehensive suite of tools for crafting authentic and dynamic guitar tones. It features a wide array of amp models, cabinet simulations, and an integrated effects board, all engineered for ultra-low latency performance.
This manual provides detailed instructions on how to install, operate, and maintain your Stark Amp Simulator, ensuring you can fully utilize its capabilities.
2. Setup
2.1 System Requirements
Stark is a software plugin. Ensure your system meets the following general requirements for audio plugins:
- Compatible Digital Audio Workstation (DAW) supporting VST, AU, or AAX plugin formats.
- Operating System: macOS (10.10 or later) or Windows (7 or later).
- Sufficient RAM and CPU for real-time audio processing.
- Internet connection for initial activation and updates.
2.2 Installation
Follow these steps to install the Stark Amp Simulator:
- Download the installer from the official Klevgrand website or your purchase platform.
- Run the installer and follow the on-screen prompts. Ensure you select the correct plugin formats for your DAW.
- After installation, launch your DAW. Stark should appear in your list of available audio effects plugins.
- Activate the plugin using your provided license key when prompted.
3. Operating the Stark Amp Simulator
3.1 User Interface Overview
The Stark Amp Simulator features an intuitive interface divided into several key sections: Amp, Cabinet, FX Board, and Ambience. Below is an overview of the main controls.

Figure 1: Main User Interface of Klevgrand Stark Amp Simulator. This image displays the various controls for the amp, cabinet, effects, and ambience sections, including knobs for Gain, Output, EQ, Compressor, Reverb, and Delay settings.
3.2 Amp Section
This section controls the core amplifier characteristics.
- GAIN: Adjusts the input gain, affecting the amount of distortion.
- OUTPUT: Controls the overall output volume of the amp.
- CLEAN/DRIVE Switch: Toggles between clean and overdriven amp channels.
- MODEL Selector: Allows selection from 12 different amp models, such as "British Guitar A 1". Use the left/right arrows to cycle through models.
- BOOST: Engages an additional gain boost for more aggressive tones.
- BASS, MID, TREBLE: Standard tone stack controls to shape the low, mid, and high frequencies.
- PRESENCE: Adjusts the upper-midrange and high-frequency content, adding clarity and bite.
3.3 Cabinet Section
The cabinet section simulates different speaker cabinets and microphone placements.
- STEREO: Adjusts the stereo width of the cabinet simulation.
- MODEL Selector: Choose from 10 different cabinet models, such as "Wide Large".
- Microphone Position Grid: A visual grid allows you to adjust the virtual microphone position relative to the speaker, influencing the tone and spatial characteristics.
3.4 FX Board
Stark includes a versatile FX board with four slots, allowing you to chain up to 14 different effects. The image shows EQ, Compressor, Reverb, and Delay.
- EQ (Equalizer): A multi-band equalizer to fine-tune the frequency response. Controls include frequency bands (e.g., 100, 250, 600, 2200, 3800, 7200 Hz) with adjustable gain for each.
- Compressor: Controls the dynamic range of your signal.
- FAST/SLOW Switch: Adjusts the attack and release times of the compressor.
- OUTPUT: Controls the output level of the compressor.
- SUSTAIN: Adjusts the amount of sustain applied by the compressor.
- Reverb: Adds spatial depth and ambience.
- WIDTH: Controls the stereo width of the reverb tail.
- DAMPING: Adjusts the decay of high frequencies in the reverb.
- SIZE: Controls the perceived size of the virtual room.
- MIX: Blends the wet (reverb) signal with the dry signal.
- Delay: Creates echoes and rhythmic repetitions.
- HAAS: Engages the Haas effect for subtle stereo widening.
- TIME: Sets the delay time.
- HP (High Pass): Filters out low frequencies from the delayed signal.
- LP (Low Pass): Filters out high frequencies from the delayed signal.
- FEEDBACK: Controls the number of repetitions.
- MIX: Blends the wet (delay) signal with the dry signal.
3.5 Ambience Section
This section adds a sense of room ambience to your sound.
- ROOM SIZE: Selects the size of the virtual room (S, M, L).
- DECAY: Controls the decay time of the room ambience.
- MIX: Blends the room ambience with the main signal.
- CHARACTER: Adjusts the tonal character of the ambience (e.g., Normal).
3.6 Presets
Stark comes with a rich library of factory presets covering various genres and styles. Use the preset selector at the bottom of the interface (e.g., "Bright Strat") to browse and load different sounds. You can also save your own custom presets.
4. Maintenance
To ensure optimal performance of your Stark Amp Simulator:
- Regularly check for software updates on the Klevgrand website. Updates often include bug fixes, performance improvements, and new features.
- Keep your operating system and DAW updated to ensure compatibility.
- Periodically clear your DAW's cache and temporary files if you experience performance issues.
5. Troubleshooting
If you encounter issues with Stark, consider the following:
- Plugin not appearing in DAW: Ensure the plugin was installed to the correct VST/AU/AAX folder that your DAW scans. Rescan your plugin folders in your DAW's preferences.
- No sound: Check your input and output routing in your DAW. Ensure the plugin is inserted on an audio track with an active signal. Verify the plugin's internal output level (e.g., the OUTPUT knob in the Amp section).
- High CPU usage/latency: Reduce the sample rate in your DAW's audio settings. Close other demanding applications. Consider freezing or bouncing tracks in your DAW.
- Activation issues: Double-check your license key for typos. Ensure your internet connection is stable during activation. Contact Klevgrand support if the issue persists.
6. Specifications
The Klevgrand Stark Amp Simulator is a software plugin with the following general specifications:
- Product Type: Amp Simulator Audio Plugin
- Supported Plugin Formats: VST, AU, AAX
- Number of Amp Models: 12
- Number of Cabinet Models: 10
- Number of FX Types: 14 (available for 4 FX slots)
- Latency: Ultra-low latency design
- ASIN: B0CRB4733M
- First Available Date: 2023/11/17
7. Warranty and Support
For information regarding warranty, technical support, and frequently asked questions, please visit the official Klevgrand website. Klevgrand provides resources and contact options to assist users with any product-related inquiries or issues.
Official Website: www.klevgrand.se