Ampeg Portaflex PF-500 500W Class D Bass Guitar Amplifier Head NPMartin1018 Volume sets overall output level

Volume sets overall output level

The JB is controlled by a single chrome knurled volume knob

with very few signs of wear

and Volume slider controls to manipulate the LFO oscillation speed

Ampeg Portaflex PF-500 500W Class D Bass Guitar Amplifier Head NPMartin1018 Volume sets overall output levelThe Ampeg Portaflex PF 500 bass amp head combines vintage inspired design with modern performance features tailored for todays working bassist. Delivering 500 watts RMS into 4 ohms via a lightweight Class D power section, the PF 500 is built to handle demanding live and studio environments while maintaining the rich tonal heritage associated with Ampeg. At the core is a dual JFET preamp circuit that shapes classic Ampeg warmth with clarity and