Ampeg PF-500 500-Watt Portaflex Bass Head

Compact 500W Bass Amplifier Head, 3-band EQ, Mid-tone Presets, Lo/Hi Boosts, Compressor
Ampeg PF-500 500-Watt Portaflex Bass Head image 1
Ampeg PF-500 500-Watt Portaflex Bass Head image 1
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Ampeg PF-500 500-Watt Portaflex Bass Head
In Stock!
$349.99 (after mail-in rebate, pay $399.99 today)

Serious Power in a Small Package

Here it is: Ampeg Portaflex tone, 500 watts of power, and easy portability. Weighing in at just 14 lbs., the Ampeg PF500BH Portaflex Bass Head is a dream come true for bass players. You no longer need to dread lugging your gear to the gig. If needed, you can throw this amp in a backpack and hit the subway. Featuring the well-known Ampeg tone, the PF500BH has a large tonal palette with a selectable mid-tone control and five preset mid-tones for all styles of music. With its ultra-high and ultra-low switches, you can get all the snap and deep rumble you desire. As part of the famed Portaflex series, this amp can be mounted in a Portaflex series cabinet in true flip-top fashion. Yes, you can hide the amp away in the cab just as you could with the vintage B15. If you are looking for tone, wattage, and compact size, the Ampeg PF500BH Portaflex Bass Head is for you.

Ampeg PF500BH Portaflex Bass Head Features at a Glance:
  • Compact size
  • Classic Portaflex tone
  • Mount head inside Portaflex cabs
The Ampeg PF500BH Portaflex Bass Head offers massive tone and power in a small footprint!

Additional Media

Bass Guitar Amp Buying Guide

Tech Specs

Type Solid State
Number of Channels 1
Total Power 500W, 4 ohms, Class D
Compression Yes
EQ 3-band (5-position Midrange), Ultra Lo/Hi Boosts
Inputs 1 x 1/4", 1 x 1/8" (Line)
Outputs 1 x 1/4", 1 x Speakon, 1 x XLR (Line), 1 x 1/8" (Headphone)
Footswitch I/O Yes
Effects Loop Yes
Height 3"
Width 14"
Depth 11"
Weight 11 lbs.
Manufacturer Part Number PF500

Customer Reviews

Based on 25 reviews
Write your review

Great buy

Such a great amplifier !! And I take it with me in a computer bag...weighs just 11 pounds.. I'm impressed with the prompt service from Sweetwater and with their follow-up calls. Totally pleased.
Music background: google it

One Year Review

I have an Ampeg Heritage 8/10, SCR-DI and a Fender Precision bass. I use this in church playing contemporary Christian. And can get vigorous at times. Beautiful tone once adjusted to ones desired effects. No problems at all filling the hall with rich full sound. I will eventually purchase a Heritage SCV amp. This (in my humble opinion) will make the perfect overall sound. I definitely recommend this amp until a top of the line is affordable.

Plenty of Power

I've used this for gigs ranging from small/medium bars to outdoor weddings and it was plenty loud enough. In addition to being loud it also has a very nice tone and the power really gives a full sound. I've played through a 60's B-15 before and that was cool but isn't as transportable as this one and the B-15 is only good up to a certain level before it goes into distortion. This one is definitely the choice if you have professional gigs or recording, especially bc of the options for routing you get with this one.
Music background: Producer/Engineer

Good Buy

I've been playing on Ampeg for about 12 years now, and this is the 1st one I've bought for personal/studio use(used the 350 last time). Paired this with the pf-210 and this baby works wonders for stage. The tone just keeps warming up the longer you play on it.Would recommend this set-up to anyone looking for a serious bang for the buck.
Music background: Live Sound, Recording


When my GK RB-800 died after 22 years I was looking for something to replace it at a reasonable price. This is a great little amp with plenty of power to push my 4X10 GK cabinet even in the larger venues I play. The bottom end is a little richer than my GK much like the old SVT I used to use years ago. Tons of features that my GK had with the addition of a tuner out which lets me mute the volume while I tune. It packs up nicely with my pedals and cables in the Gator mixer bag I bought too. I highly recommend the PF-500 to anyone on a tight budget that need a quality bass amp.
Music background: Pro Musician, Country/Classic Rock band
See also: Bass Amp Heads, Ampeg, Ampeg Bass Guitar Amp Heads