Introduction
This manual provides comprehensive instructions for the Blackstar IDCORE100 Guitar Amplifier. It covers setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your amplifier. The IDCORE100 is a 100-watt stereo amplifier featuring 2x10" speakers, designed to deliver a wide range of authentic guitar tones with its intuitive control set and Super Wide Stereo effects.
Important Safety Information
Please read and understand all safety instructions before operating the amplifier. Retain this manual for future reference.
- Do not expose the amplifier to rain or moisture.
- Do not block any ventilation openings.
- Ensure the power cord is not walked on or pinched.
- Disconnect the power cord during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
Package Contents
Verify that all items are present in the packaging:
- Blackstar IDCORE100 Guitar Amplifier
- Power Cable
- Footswitch
- USB Cable
- User Manual (this document)
Product Overview
The Blackstar IDCORE100 is a versatile guitar amplifier designed for both practice and performance. It features a powerful 100-watt stereo output through two 10-inch speakers, offering a rich and immersive sound experience.

Figure 1: Angled view of the Blackstar IDCORE100 Guitar Amplifier, showcasing its robust construction and classic black finish.
Key Features:
- 100 Watts Stereo; 2x10" Speakers: Delivers powerful and clear stereo sound.
- 6 Voices: Select from Clean Warm, Clean Bright, Crunch, Super Crunch, OD 1, and OD 2 for a wide range of tonal options.
- 12 Super Wide Stereo Effects: Enhance your sound with various modulation, delay, and reverb effects.
- Tap Tempo: Easily synchronize delay and modulation effects.
- Polyphonic Octaver Effect: Create unique sonic textures, from deep lows to shimmering 12-string sounds.
- Built-in Looper: Allows for unlimited overdubs, ideal for practice and creative performance.
- USB Connectivity: For professional recording and integration with INSIDER software.
- Included Footswitch: Provides hands-free control over various amplifier functions.

Figure 2: Front view of the Blackstar IDCORE100, highlighting the speaker grille and Blackstar logo.

Figure 3: Close-up of the top control panel of the Blackstar IDCORE100, showing the input jack, voice selection, gain, volume, equalization, effects, and master controls.
Setup
1. Unboxing and Placement:
Carefully remove the amplifier from its packaging. Place the amplifier on a stable, flat surface. Ensure adequate ventilation around the unit. Avoid placing it near heat sources or in direct sunlight.
2. Power Connection:
- Ensure the amplifier's power switch is in the OFF position.
- Connect the supplied power cable to the AC input on the rear panel of the amplifier.
- Plug the other end of the power cable into a grounded electrical outlet.
3. Instrument Connection:
Connect your guitar or other instrument to the INPUT jack on the front panel using a standard 1/4" instrument cable.
4. Footswitch Connection:
Connect the included footswitch to the dedicated footswitch input on the rear panel of the amplifier. This allows for hands-free control of various functions.
5. USB Connection (Optional):
For recording or using the Blackstar INSIDER software, connect a USB cable from the amplifier's USB port to your computer.
Operating Instructions
1. Powering On/Off:
To power on the amplifier, flip the power switch to the ON position. The indicator light will illuminate. To power off, flip the switch back to the OFF position.
2. Basic Controls:
- Voice: Selects one of six distinct amplifier voices: Clean Warm, Clean Bright, Crunch, Super Crunch, OD 1, OD 2.
- Gain: Adjusts the amount of overdrive or distortion.
- Volume: Controls the overall output level of the selected voice.
- Equalization (Bass, Middle, Treble): Shapes the tone of your guitar.
- ISF (Infinite Shape Feature): Sweeps between a USA-style amplifier response (counter-clockwise) and a UK-style amplifier response (clockwise).
- Effects (Type, Level, Volume):
- Type: Selects the effect category (Modulation, Delay, Reverb).
- Level: Adjusts the intensity or mix of the selected effect.
- Volume: Master output volume control.
- Tap Tempo: Press this button repeatedly to set the tempo for time-based effects like delay and modulation.
3. Advanced Features:
- Looper: The built-in looper allows you to record and layer guitar phrases. Refer to the detailed looper instructions in the full digital manual (available via INSIDER software) for specific operation.
- Polyphonic Octaver: This effect adds octaves to your signal. Activate and adjust via the effects section.
- INSIDER Software: Connect the amplifier to your computer via USB to access the Blackstar INSIDER software. This software allows for deep editing of patches, access to a larger library of sounds, and firmware updates.
Maintenance
Proper maintenance ensures the longevity and performance of your Blackstar IDCORE100 amplifier.
- Cleaning: Use a soft, dry cloth to clean the exterior of the amplifier. Do not use abrasive cleaners or solvents.
- Storage: Store the amplifier in a cool, dry place away from extreme temperatures and humidity.
- Transportation: When transporting, ensure the amplifier is securely packed to prevent physical damage.
- Ventilation: Always ensure the ventilation openings are clear of obstructions to prevent overheating.
Troubleshooting
If you encounter issues with your amplifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound Output | Power not connected, volume too low, instrument cable faulty, guitar volume off. | Check power connection, increase Master Volume, test with a different cable/guitar, ensure guitar volume is up. |
| Distorted Sound (unexpected) | Gain too high, incorrect voice selected, faulty cable. | Reduce Gain, select a cleaner voice (e.g., Clean Warm), try a different instrument cable. |
| Footswitch Not Responding | Footswitch not connected properly, faulty footswitch cable. | Ensure footswitch cable is fully inserted, try a different cable if available. |
| No Power Indicator Light | Power cable disconnected, power outlet faulty, amplifier fuse blown. | Check power cable connections, try a different power outlet, contact qualified service personnel if fuse is suspected. |
If the problem persists after trying these solutions, please contact Blackstar customer support.
Specifications
| Feature | Detail |
|---|---|
| Output Wattage | 100 Watts Stereo |
| Speakers | 2 x 10 inches |
| Voices | 6 (Clean Warm, Clean Bright, Crunch, Super Crunch, OD 1, OD 2) |
| Effects | 12 Super Wide Stereo Effects (Modulation, Delay, Reverb) |
| Special Features | Polyphonic Octaver, Built-in Looper, Tap Tempo, ISF Control |
| Connectivity | USB, Footswitch Input, Instrument Input |
| Dimensions (D x W x H) | 19.96" x 29.13" x 13.07" |
| Item Weight | 35.6 Pounds |
| Compatible Devices | Guitar |
| Power Source | Corded Electric |
Warranty and Support
For information regarding warranty coverage and terms, please refer to the warranty card included with your product or visit the official Blackstar Amplification website.
For technical support, service, or additional inquiries, please contact Blackstar customer support through their official website or authorized service centers.





