AMPEG PF-500 Portaflex Bass Amplifier Head 500W USED

AMPEG PF-500 Portaflex Bass Amplifier Head 500W front
AMPEG PF-500 Portaflex Bass Amplifier Head 500W front AMPEG PF-500 Portaflex Bass Amplifier Head 500W back
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Ampeg PF-500 Portaflex USED
was $424.55 Special Price $400.35
Availability: Coming Soon

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
More Information
Brands Ampeg
Item Condition GENTLY USED
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