Invaders Bluegrass 550 tube amp, a 50W single-channel powerhouse

The Bluegrass 550 from Invaders Amplification (invadersamplification.com) is a 100% tube amp single-channel tube amp that has a pretty phenomenal sound. One thing is sure, you won't run out of headroom with this amp!

Invaders Bluegrass 550 review

Until the next gear review or interview, keep on playing the guitar!

Pierre Journel.

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