Up for sale is a classic vintage Ampeg SB-12 Portaflex "fliptop" combo amplifier in Very Good condition. Renowned for its warm, round, and iconic studio bass tones, this legendary 2-channel tube amp delivers approximately 25 watts of pure vintage vibe. This unit has been customized with a 4th knob for customized reverb delivered through a matching satellite speaker. Check out video in link to hear how it sounds dry and wet!

This unit features a highly desirable vintage 1963 Jensen 12" coaxial speaker with a front mounted high frequency knob. This unit is a perfect bass rig giving you that authentic, woody thud and smooth midrange response that defined an era of recording.

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Listed5 minutes ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
Model
  • SB-12 Portaflex 2-Channel 25-Watt 1x12" Fliptop Guitar Combo
Finish
  • Black
Categories
Year
  • 1960-1965
Made In
  • United States
Number of Inputs
  • 2 Inputs
Speaker Configuration
  • 1x12"
Electronics
  • Tube
Power Tube Type
  • 7868
Direct Output
  • No Direct Output
Reverb
  • None
Color Family
  • Black
Number of Channels
  • 1 Channel
Output Power (Watts)
  • 25

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Anchorage, AK, United States
Joined Reverb:2025

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