Check out the ultra-affordable Portaflex Series, delivering the legendary B-15 vibe with a selection of all-tube and lightweight, solid-stage designs with modern features.

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  • As seen on Premier Guitar (Video)

  • RMS Power Output: 30W RMS (1966 bias) / 25W RMS (1964 bias)
  • LF Driver: 1 x 15" custom Eminence®
  • Preamp: Tube (3 x 12AX7)
  • Rectifier: Tube (1 x 5AR4)
  • Power Amp: Tube (2 x 6L6GC) 
  • Channel 1: 1964 (B-15NC)
  • Channel 2: 1966 (B-15NF)s
  • Tone Controls: Baxandall Bass and Treble (per channel)
  • Power Tube Bias: Selectable (1964/cathode, 1966/fixed)
  • Speaker Outputs: 1 x 8 ohm, 2 x 4 ohm
  • Line Out: Yes
  • Dimensions (H x W x D inches) 33 x 21 x 14
  • Handling Weight: 82.5 lbs / 37.4 kg

Designed and assembled in the U.S.A., the Heritage B-15N delivers the sought-after B-15 performance in a new, all-tube design featuring reliable PCB architecture and a beautiful black finish. The Heritage B-15N features distinct 1964 and 1966 channels, plus Ampeg’s flexible Baxandall EQ and selectable bias modes for ultimate tone control. The high-quality flip-top, double-baffle cabinet is covered in black diamond Tolex and factors heavily into the amazing tone of the iconic original. Built to exacting standards, the Heritage B-15N meticulously recreates the world’s most recorded bass tone.

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