Up for sale, a 1987 Mesa Boogie Bass 400 amp head, freshly serviced and loaded with a sextet of Mesa-branded 6L6 power tubes. Handcrafted in Petaluma, California, this powerful Mesa bass head delivers 200 watts of pure tube power. Dual input stages to accommodate both active and passive basses, and a seven-band graphic EQ offers tone shaping precision. Also included are a 600 ohm XLR Balanced Out, Slave Out, blendable FX Loop with dual patch points front and rear, and a three-way switch for fan speed.

Full features:

• Handcrafted in Petaluma, California
• 200 Watts, All Tube, Class A/B
• Fixed Bias
• Two Inputs w/Independent Pull Bright Volume Controls, (1=Active, 2=Passive)
• Pull Shift Bass & Treble Controls (Standard Mid Control)
• Assignable 7-Band Graphic EQ
• Dual Patch Point FX Loop (Front & Back) w/Blend Control
• 4 & 8 ohm stereo outputs
• 600 Ohm XLR Balanced Out
• Slave Out w/Level Control
• 3-Speed Fan Cooled (Off, Low & High)
• Format: 4 Rack Spaces

The black tolex shows various scuffs with clean chrome corners and handles. The faceplate graphics are clean, and all of the original knobs and slider tips are present.