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Average Price: $700
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$200
$801+
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Description
Experience the power and precision of the MB Fusion 800, a remarkable bass amplifier head designed for the discerning musician. This amplifier head combines the rich warmth of all-tube preamplification with the reliable power of a solid-state output, providing a dynamic and versatile sound suited for any performance setting. The MB Fusion 800 stands out with its three-tube preamp, offering musicians a classic tube tone that can be driven to suit a wide range of styles, from smooth jazz to punchy rock.
Its intuitive control layout gives you easy access to essential features, ensuring that you spend less time tweaking knobs and more time playing. The MB Fusion 800 includes a comprehensive 4-band EQ, enhancing your ability to shape your sound precisely. Additionally, the footswitchable gain and master volume controls offer seamless transitions between different sonic textures, making it an excellent choice for both stage and studio environments.
Designed with the modern bassist in mind, the MB Fusion 800 is lightweight yet robust, providing portability without compromising on durability or performance. This amplifier head offers flexible connectivity options, including a balanced DI output for direct connection to PA systems or recording interfaces.
Key Features:
- 800 watts of power for commanding stage presence
- Three-tube preamp for authentic tube warmth
- 4-band EQ for precise tone shaping
- Footswitchable gain and master volume controls
- Balanced DI output for direct connection to recording or PA systems
- Lightweight design for easy transport
- Compatible with a variety of cabinet configurations
Product specs
| Brand | Gallien-Krueger |
| Model | MB Fusion 800 Ultra-Light 800W Tube Preamp Bass Head |
| Finish | Black |
| Year | 2010s |
| Made In | United States |
| Categories | Bass Heads |
| Color Family | Black |
| Electronics | Solid State |
| Impedance | 4 ohms |
| Number of Channels | 1 Channel |
| Number of Inputs | 1 Input |
| Output Power (Watts) | 800 |
| Power Tube Type | None |
| Reverb | None |
FAQs
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How much power does the Gallien-Krueger MB Fusion 800 provide?
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The Gallien-Krueger MB Fusion 800 delivers 800 watts of power, making it suitable for a wide range of performance settings, from small venues to larger stages.
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What type of preamp does the MB Fusion 800 use?
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The MB Fusion 800 features a tube preamp, which provides warm, rich tones that bass players often seek for both live and studio settings.
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Is the Gallien-Krueger MB Fusion 800 suitable for gigging musicians?
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Yes, with its 800-watt output and lightweight design, the MB Fusion 800 is ideal for gigging musicians who need a powerful yet portable bass amplifier head.
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Can the MB Fusion 800 handle a 4-ohm load?
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Yes, the MB Fusion 800 is designed to work with a 4-ohm impedance, ensuring compatibility with a variety of bass cabinets.
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Does the Gallien-Krueger MB Fusion 800 include any built-in effects like reverb?
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No, the MB Fusion 800 does not include built-in effects such as reverb, focusing instead on delivering pure, powerful bass tones.
Videos
Sweetwater
Gallien-Krueger MB Fusion 800 Hybrid Micro Bass Head Demo by Sweetwater
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Gallien-Krueger MB Fusion 800.
User experience
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Some users experienced persistent white noise issues with the MB Fusion 800, even after multiple repair attempts, suggesting potential quality control inconsistencies.
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Owners outside the USA reported difficulties with customer support responsiveness, indicating potential regional service disparities.
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Owners appreciate the Fusion 800 for its ability to deliver a strong, punchy bass tone, which is particularly favored by those aiming for a robust low-end presence.
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Comparisons
Build quality
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An issue with the power amplifier (Ice module) was identified, requiring replacement, highlighting potential vulnerabilities in this component.
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Setup and maintenance
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12AX7 tubes in the MB Fusion 800 can last decades if not dropped; they're prone to failure but easy to replace at local music stores or online.
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It's recommended to carry a replacement 12AX7 tube as they're the most likely failure point; use caution when handling due to high voltage and heat.
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Mods and upgrades
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Swapping the V1 tube with different 12AX7 brands like New Sensor or JJ can subtly tweak the amp's sound, while V2 and V3 changes are less impactful.
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Features and functionality
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The MB Fusion 800's preamp uses three 12AX7 tubes, also known as ECC83, 7025, or CV4004, with V1 affecting input gain for sound customization.
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The Fusion 800 retains the same preamp as the Fusion 500 but benefits from a more powerful output section, making it suitable for larger venues or louder playing environments.
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Critic Reviews
Based on 0 Reviews and 0 Ratings
Artist usage
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