SKU: 83289765706

Ampeg Portaflex PF-500 500W Class D Bass Guitar Amplifier Head

Sale price$192.57 Regular price$213.97
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Description

Ampeg Portaflex PF-500 500W Class D Bass Guitar Amplifier HeadThe 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

The Ampeg Portaflex PF-500 bass amp head combines vintage-inspired design with modern performance features tailored for today’s 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 precision. The front panel offers Gain and Master controls, a three-band EQ with Ultra Lo and Ultra Hi switches, and a five-position Midrange Frequency selector for detailed tone shaping. An onboard variable compressor tightens the low end and smooths peaks without sacrificing dynamics. A dual-function LED provides instant visual feedback on signal clipping and mute status.

Connectivity is comprehensive. The PF-500 includes a balanced XLR line out with pre/post EQ switching, ground lift, and a –40 dB (mic/line level) pad, making it equally at home in DI applications. Players can integrate external gear using the effects loop, FX Mix control, and Preamp Out/Power Amp In jacks. Additional features include a stereo aux input, headphone output, tuner out, footswitch jack, and both Speakon and 1/4" speaker outputs.

Housed in a fan-cooled, compact chassis with a voltage selector for global use, the PF-500 offers high-output performance with modern control in a portable format—ideal for the bassist who needs versatility without compromise.

  • 500-watt Class-D amplifier into 4 ohms
  • Dual JFET preamp for classic Ampeg tone
  • Three-band EQ with Ultra Lo and Ultra Hi
  • Five-way Midrange Frequency control
  • Built-in variable compression circuit
  • Balanced XLR out with pre/post EQ and pad
  • Effects loop, tuner out, and FX Mix control
  • Stereo aux input and headphone output
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83289765706

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4.4 ★★★★★
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ACorona
Cuba, US
★★★★★ 5
Good design, but inconsistent photos. I think I got a dull-colored sample.
Color: Walnut Wood
Good, but seeing a lot of inconsistent user photos. Some have extra racks or a little knob for cables. Some mount with the bracket pointing downward (you can reverse it if you want) and with two screws. Also, the block I got is a dull poopy brown instead of the bright & vibrant brown on the photos of the product page & box. Understandable, I suppose-- given the nature of wood. Plastic/metal would certainly be more consistent, but I wanted this to match my black & wood aesthetic of my office. Luck of the draw on the shade of brown that I got, I guess. As nice as this hanger looks and as convenient as it is, the dull color is enough to make me want to just leave my headphones in the desk drawer when not in use. A drawer protects the headphones from dust as well. I don't live at my PC, so having them stowed away when not in use makes more sense for me. I didn't really think this though and got a lemon of a color. Likely a return.
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Reviewed in the United States on March 8, 2026
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Trevor
Lake Worth, US
★★★★★ 5
Great for center weight headphones
Color: Walnut Wood
Easy to install for the wall, hang headphones well. Make sure your headphones are center weighted as otherwise they can slide easily
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Reviewed in the United States on April 15, 2026
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Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
It was great.Thanks Amazon.
I love the small packets they are easy to take with you any where. Plus they taste so good. Great snack to have on hand.❤️
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Reviewed in the United States on October 11, 2025
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ljmumford
Grantham, US
★★★★★ 5
A fresh fresh flavorful snack for everyone, Keto or not.
These snacks are absolutely the best, fresh flavorful, perfect to keep in the car for a quick pick me up, I will continue to order these. Love them!!
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Reviewed in the United States on November 9, 2025
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Robin R. McNeil
Battle Creek, US
★★★★★ 4
Snack pack
It’s okay for a quick little snack. The package was fresh. Texture was crunchy. You may enjoy it, but you would have to try it on your own. I felt like I was missing something or wanting more.
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Reviewed in the United States on November 25, 2025

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