Ampeg PF500 PortaFlex 500 Watt Bass Guitar Head

Power to Burn

Ampeg’s Portaflex PF-500 bass head delivers a staggering 500W of power in an ultra-compact design providing pure Ampeg tone in an extremely portable package. Precise tone controls and gig-friendly input/output options provide ultimate flexibility. Pair it with our PF Series flip-top cabinets for the vintage styling and portability of Ampeg’s iconic Portaflex originals.

Specs: 

  • RMS power output: 500 Watts @ 4 Ohms
  • Preamp: MOSFET
  • Power amp: Class D
  • Tone controls: Bass, Mid, Treble
  • Mid-tone control: 5-Position
  • Ultra Hi/Lo boosts
  • Onboard compressor
  • Balanced direct out
    • Pre/Post EQ option
    • -40 dB pad
    • Ground lift
  • FX loop with dedicated mix control (footswitchable)
  • Power amp in/Preamp out
  • 1/8" headphone out/line in
  • -15 dB input pad
  • Mute (footswitchable)
  • Power supply: switching
  • Dimensions (H x W x D)
    • 3 x 14 x 11 inches
    • 80 x 355 x 272 mm
  • Handling weight: 11 lbs/5 kg

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