AMPEG PF-500 Portaflex Bass Amplifier Head 500W USED

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AMPEG PF-500 Portaflex Bass Amplifier Head 500W USED

Ampeg PF-500 Portaflex USED

Item Condition: GENTLY USED (?)

Item SKU # amp:PF500-DEMO

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MSRP: $559.99

PAL Price: $359.67


GENTLY USED This product has been played, used, floor model or return and may have minor signs of cosmetic wear, but is fully operational and functions as intended. We're including our 45-Day Satisfaction Guarantee making it a no-risk purchase.


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 their PF Series flip-top cabinets for the vintage styling and portability of Ampeg’s iconic Portaflex originals.



  • Selectable -15 dB input pad
  • Gain Control
  • Bass, Mid, and Treble controls
  • Master volume control
  • Peak LED
  • Stereo 1/8" auxillary input
  • Headphone output
  • Effects loop with separate send and return jacks
  • Balanced XLR line output
  • Lightweight and fan-cooled switching power supply
  • Voltage selector switch
  • Dual JFET preamp
  • Mute Switch
  • Dual-Function mute and peak LED
  • On-board variable compressor
  • Ultra Lo and Ultra Hi switches
  • 5-way Midway Frequency control
  • FX Mix control
  • Tuner Output
  • Preamp Out and Preamp In jacks
  • Footswitch jack
  • Single Speakon & 1/4" speaker output jacks
  • Class-D power amplifier rated at 500 watts rms into 4 ohms
  • XLR Line Out features:
  • Pre/Post EQ
  • -40dB pad (mic/line level)
  • Ground Lift


  • RMS power output: 500W @ 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 inches): 3  x 14 x 11
  • Handling weight:  11 lbs / 5 kg

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