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Ampeg Portaflex PF-50T 50w All Tube Bass Head

Ampeg Portaflex PF-50T 50w All Tube Bass Head


The legendary tone and portability of the all-tube Ampeg Portaflex amplifiers is faithfully reproduced in the PF-50T. This all-tube Portaflex head provides a harmonically rich and studio-worthy 50 watts of pure Ampeg tone to satisfy the most discerning bass player. Featur ing simple user-adjustable bias adjustment for easy tube replacement and pre-amp and transformer balanced direct outs for maximum versatility. Plus, no speaker load is required for silent recording or even use as a dedicated tube DI. Pair it with the PF-112HLF for the ultimate compact all-tube bass rig.


  • RMS Power output
    • 50W @ 4 or 8 ohms
  • Preamp: All-tube (2) x 12AX7
  • Power Amp: All-tube (1) x 12AU7, (2) x 6L6
  • 0db and -15db inputs
  • Tone Controls: Bass, Mid, Treble
  • Mid-tone control: 5-position
  • Ultra Hi/Lo boosts
  • Input gain control
  • Preamp balanced line out
    • Pre/Post EQ
    • Ground lift
  • Transformer balanced line out
    • Ground lift
  • User adjustable bias control
  • Dimensions (HxWxD)
    • 7.3 x 13.9 x 10.4 inches
    • 185 x 353 x 264 mm
  • Weight: 19.4 lbs/ 8.8 kg

See Owner's Manual from Ampeg


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