Ashdown Bass Tone Just Got Better
Ashdown kicks it up a notch with the ABM 300 EVO IV bass head. Boasting a stage-rumbling 300 watts of output, a tube-driven preamp section, an extended 9-band EQ, and tons of tone-shaping flexibility, the ABM 300 EVO IV is another incarnation of the ABM line of Ashdown amps — the same series that professional bassists rely on to deliver their tone to the masses on stages around the world. Put the power, versatility, and tone of an Ashdown amp to work in your own bass rig, with the ABM 300 EVO IV from Sweetwater.New features extend your tone-shaping flexibility
The new preamp section in the ABM 300 EVO IV features variable drive technology. A dedicated drive knob lets you adjust the amount of current flowing into the 12AX7 tube for tones that range from the cleanest of cleans to the fattest of overdriven

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  • Sweetwater's 2-year warranty

Ashdown ABM-300-EVO IV 300-watt Bass Head

300-watt Bass Amplifier Head with 12AX7 Class-A Tube Preamplifier Circuit, EQ, Compressor, Sub-harmonic Generator, and DI

Ashdown Bass Tone Just Got Better

Ashdown kicks it up a notch with the ABM 300 EVO IV bass head. Boasting a stage-rumbling 300 watts of output, a tube-driven preamp section, an extended 9-band EQ, and tons of tone-shaping flexibility, the ABM 300 EVO IV is another incarnation of the ABM line of Ashdown amps — the same series that professional bassists rely on to deliver their tone to the masses on stages around the world. Put the power, versatility, and tone of an Ashdown amp to work in your own bass rig, with the ABM 300 EVO IV from Sweetwater.

New features extend your tone-shaping flexibility

The new preamp section in the ABM 300 EVO IV features variable drive technology. A dedicated drive knob lets you adjust the amount of current flowing into the 12AX7 tube for tones that range from the cleanest of cleans to the fattest of overdriven thumps. The updated 9-band EQ section will surprise even dedicated ABM players, with tight tonal control including knobs to handle bass, middle, and treble and an expanded 6-band graphic for fine-tuning. Ashdown's familiar 1-knob compressor and subharmonic generator work to make your tone tighter and fuller than you've ever heard it before and help you claim your rightful place in any mix. All the while you can keep an eye on your levels with the iconic Ashdown VU meter situated right on the face of your amp. Add all of this tonal control the flexibility of footswitching — the EQ, compression, subharmonics, even the variable drive can all be kicked in and out with a tap of your toe.

Bass equipment that's built to last

The ideal combination of function and class, ABM Series bass amplifiers feature tough construction and reliable circuitry. The Ashdown ABM 300 Evo IV bass head features stage-friendly designs and tour-friendly features that make hooking up your amp to your cabs, into the venue mixer, or in the studio easy to do. From the DI with XLR connection to the dedicated tuner output, you can take the professional quality of Ashdown with you wherever you go.

Ashdown ABM 300 EVO IV Bass Amplifier Head Features:

  • 300-watt bass amplifier head for all your gigging needs
  • Powerful 9-band EQ with Bass, Middle, Treble, and 6 sliders (100Hz, 180Hz, 340Hz, 1.3KHz, 2.6KHz, and 5KHz) shapes your sound
  • Hybrid solid-state and 12AX7 tube preamp
  • Built-in compressor, tuner output, and effects loop
  • Ashdown sub-harmonic generator accurately tracks your subharmonics signal and reproduces it an octave lower
  • 4 secure speakON outputs for connecting speaker cabinets
  • DI output with XLR connection
  • Input level VU meter
SpecificationDetail
Type Hybrid
Number of Channels Single channel
Total Power 300W
Compression Yes
EQ 9-band EQ
Preamp Tubes 1 x 12AX7
Inputs 2 x 1/4" (instrument, line)
Outputs 2 x SpeakON, 2 x 1/4" (tuner/line out), 1 x XLR (DI)
Effects Loop Yes
Footswitch I/O 1 x 1/4" (EQ, compression, overdrive, sub octave)
Footswitch Included No
Cooling System Internal Fan, Rear Air Vents
Power Source Standard IEC AC cable
Height 5.3"
Width 18.6"
Depth 13.1
Weight 26.4 lbs.

RETURN INFORMATION

We want you to be completely happy with your purchase from Sweetwater. If you are not satisfied with your product, you may return it for a refund of the purchase price within 30 days. If your purchase was eligible for Free Shipping, the shipping cost will be deducted from your credit or refund. Returns must be in the complete and original packaging with all accessories and complete documentation (Owner's Manual, warranty card, quick start guides, etc.), show no signs of wear or use, and include a Return Authorization number or be subject to a restocking fee.

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