Rare vintage Acoustic Collaboration Series Model B-4 bass amp head from the 1980s. The B-4 is the hardest to find in the entire Collaboration Series lineup

• Full EQ: Bass, Mid 1, Mid 2, Treble (with Pull-Bright on volume)

• 7-band graphic EQ: 40Hz, 80Hz, 160Hz, 320Hz, 640Hz, 900Hz, 1.5kHz

• Bi-Amp Balance control

• Limiter with Pull-On threshold

• Dual inputs

• Classic rat-fur tolex covering with metal corner protectors

Message for details

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

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Listed6 days ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • B-4
Categories
Year
  • 1980

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Sam's Vintage Gear Emporium

Los Angeles, CA, United States
Joined Reverb:2026

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