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Ampeg PF-800 Portaflex Bass Amp Head


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  • Lightweight, compact, and powerful bass amp head
  • Descendant of Ampeg’s legendary B-15
  • Compatible with Ampeg’s fliptop design cabinets, for compact transportation and storage
  • Solid-state preamp
  • Class-D power amplifier rated at 800 watts rms into 4 ohms
  • Speakon and 1/4-inch output jacks, balanced XLR line output, FX loop, preamp out, power amp in, footswitch, headphone output, audio input
  • Gain, bass, 5-position mid-tone, treble, volume, FX mix, compression, gain, ultra hi/lo boosts, footswitchable mute, groundlift, 0dB (line level)/-40 dB (mic level) switch, Post-EQ/Pre-EQ switch
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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The largest of the Portaflex Series, the Ampeg PF-800 Bass Guitar Amplifier Head offers the same charming vintage design, accented by modern features. This model combines the incredibly rich feature set of the PF-500, with its extensive control and versatility connectivity options, and pushes it further with an earth-shaking 800-watt power output rating.

Massive Power, in a Tiny Box

Contemporary features in combination with vintage cool provides the signature of the series, and this is particularly apparent with the Ampeg PF-800 Portaflex Bass Amp Head; giving you the best of old and new in an incredibly powerful, versatile, and compact box.

Along with being small, the amp head is also lightweight, weighting just 11.8 lbs / 5.35 kg. Talking of being compact, it partners up perfectly with Ampeg’s fliptop cabinets. This feature allows the amp head to securely connect to the lid of the cab, which can then be flipped upside down and placed back on the cabinet, storing the head inside the cab; keeping things neat and easy to transport.

As previously mentioned, the Ampeg PF-800 Portaflex Bass Amp Head may be small but to say it packs a punch is an absolute understatement. With a MOSFET preamp with a Class-D power amp, this unassuming little box blasts out a whopping 800-watts!

Detailed Controls

With an exceptionally detailed control layout, the Ampeg PF 800 is bursting with options. The following controls are under your command: Gain, bass, 5-position mid-tone, treble, volume, FX mix, compression, gain, ultra hi/lo boosts, footswitchable mute, ground lift, 0dB (line level)/-40 dB (mic level) switch, and a Post-EQ/Pre-EQ switch.

Multiple Connectivity Options

Along with the massive arsenal of controls that the Ampeg PF-800 Portaflex Bass Guitar Amplifier comes equipped with, the same attention has been paid to the unit’s connectivity options.

Separate speakon and ¼” TS output jacks give you options for connecting up to a speaker cabinet, offering a rated power output of 800-watts rms into 4 ohms, or 400-watts rms into 8 ohms. Additionally, a balance XLR output, negates the need to mic up your speaker cab, as you can directly connect to an external mixer or recorder.

The FX send and FX return allow you to send your signal through effects pedals and return the processed signal back to the head amp. There is also an audio input and headphone output for silent practice, along with preamp out, power amp in, and footswitch connection options.

RMS power output800W @ 4 ohms
Power ampClass D
ControlsGain, Bass, 5-position mid-tone, treble, volume, FX mix, compression, gain, ultra hi/lo boosts, footswitchable mute
Balanced direct out with Pre/post EQ option, -40 dB pad, and Ground lift
FX loop
1/8" headphone out / line in
-15dB input pad
Power supplyswitching
Dimensions ( H x W x D inches)3 x 15 x 11
Handling Weight11.8 lbs / 5.35 kg
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