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.
- 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 in
- 80 x 355 x 272 mm
- Handling weight: 11 lbs / 5 kg
