| Reviewer | Jim Marsolino |
| Manufacturer | Ashdown |
| Model | ABM 500 head |
| Price | $1,150 US |
| Dimensions | 50lbs approx |
| Wattage | 565 Watts RMS |
| Speaker(s) | I'm using ABM 410h 8ohm |
| EQ | Bass, Middle, Treble, w/6 sliders of graphic eq for lo-mid & hi-m |
| id fine tuning | |
| Effects | Effects Loop, DI, Tuner Mute |
| Controls | Sub-harmoniser, Input Mix |
| Other | Sub-harminics leve, DI pre/post Eq. |
I bought this amp hoping to achieve a big low end without the mud. Boy did I get it! Construction is very solid. It has a very hip backlit VU meter to monitor input signal. Inputs are proveided for Active/Passive basses. The "Input Mix" feature goes from solid state clean to triode tube grind.
The Sub-Harmoniser feature adds even more low end by adding a note one octave below the note played. It tracks very well. The power section really handles these low frequencies well. Where other amps would be struggling this amp shows no signs of clipping providing lots of headroom.
The "Sub Output" provides a filtered low pass conection to powered cabs providing even more low end.
I play my Warwick Fretless Thumb 5 through the system and it sounds incredible. The lower registers are fully defined without the slightest hint of mud.
This thing is the "REAL DEAL"!
| Construction | 100% | 
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| Loudness | 100% |
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| Clarity | 100% |
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| Tone | 100% |
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| Size/Bulkiness | 100% |
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| Value | 95% |
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| Overall | 100% |
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