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Gallien-Krueger MB Fusion 500 specs (official)
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Gallien-Krueger MB Fusion 500
Amplifier · United States
The Gallien-Krueger MB Fusion 500 is a 500-watt hybrid micro bass amplifier head pairing a 12AX7 tube preamp with a solid-state Class D power amp, delivering tube warmth in a sub-4-pound chassis.