Gallien-Krueger Fusion S 500

Gallien-Krueger Fusion 500S – compact lightweight bass head amplifier with a power of 450 W class D, featuring a tube preamp with 3×12AX7 tubes, channels (Clean, Crunch, Overdrive, Lead), 4-Band Active EQ, connectors 2×1/4″ TS, 1×XLR, 2×RCA, 1×1/8″ Aux/Headphone, with an effects loop and DI output.

Fusion 500S from Gallien-Krueger is a bass head amplifier designed for use with bass cabinets. Its design combines time-tested tube elements with modern digital technologies, ensuring stable signal dynamics, wide tonal correction capabilities, and high adaptability to both stage and studio environments. The integrated active equalizer, boost system, and built-in attenuator allow for rapid shaping of an individual sound, while the well-thought-out I/O configuration with a DI output, effects loop, and additional interfaces guarantees compatibility with various audio processing devices, pedals, and effects processors.

GK S500 Features

• Hybrid architecture
• Tube preamp
• Active equalizer with variable cutoff frequency
• Boost system and built-in attenuator
• Expanded I/O configuration with DI output and effects loop
• Chassis with anodized coating that minimizes electromagnetic interference

GK S500 Specifications

• Device Type: Hybrid guitar amplifier
• Output Power: 300W @ 4 ohms, 450W @ 2.7 ohms
• Tube preamp: 3×12AX7
• Four band active EQ
• “Bump”, “Contour”, and “Presence” Push Button Voicing Filters
• Illuminated Knobs with Push Activation
• Input interfaces: 2×1/4″ TS, 1×XLR, 2×RCA, 1×1/8″ Aux/Headphone
• Twist Lock Speaker Outputs
• Load capacity: 2, 2.7, 4 and 8 ohms
• Balanced XLR Output with Pre and Post EQ
• Features: Effects loop, DI output, built-in reverb, active equalizer, booster, built-in attenuator
• Foot Switchable Tube Overdrive with Tone Control (Footswitch Included)
• Chassis: Modern black finish with anodized coating
• Height: 6 cm
• Width: 29.2 cm
• Depth: 27.9 cm
• Weight: 2.5 kg