Ashdown Rootmaster Rex Brown Signature 800W
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- This item is covered for 3 years
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Information
Information
Manufacturer Information
Ashdown
https://www.ashdownmusic.com
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Safety manager:
Algam SAS
Email: contact@algam.net
Address:
Historical Context and Positioning in the Range
Designed and manufactured in the United Kingdom, the RB-800 is the result of a direct collaboration between Ashdown and Rex Brown, the iconic bassist of Pantera. The concept is clear: to offer a powerful, reliable, and easy-to-use bass amp head capable of switching from a massive clean to a more gritty and aggressive attack, while maintaining the definition needed for low tunings and dense mixes. Within the range, it is positioned as a "signature" model focused on performance, combining Ashdown's DNA with a sharper approach, designed for bassists who want an immediate presence in the band.
Who This Amp Is For
The Ashdown Rex Brown RB-800 targets bassists of intermediate to professional level seeking a bass amp head that is both powerful and versatile. In rehearsals and on stage, its 800 watts provide the necessary headroom to stay audible against distorted guitars and energetic drums, while maintaining real dynamic range. In the studio, the D.I. output and precise EQ facilitate clean takes, re-amping setups, and sessions requiring quick adaptation to multiple basses. Style-wise, it excels in metal, hard rock, punk, and all aesthetics needing punch and defined attack, but it can also deliver a round and controlled sound for pop, funk rock, or modern soul.
Technical specifications
| Effects | Octaver / Harmony, EQ, Compressor, Bass Overdrive, Cabinet Simulator | Category | Amplifier |
| Category | Bass amp head | Number of channels | 1 |
| Technology | Solid state | EQ | 5 channels |
| Input | jack | Headphone output | Jack 6.35, Yes |
| Output | XLR, Headphone, Effect loop jack, Cabinet 2 x jack, Cabinet 2 x Speakon | Color | Black |
| External cabinet output | Yes | Power output | 800 W |
| Effects loop | Yes | Weight | 2.5 kg |
| Footswitch input | Yes | Dimensions (mm) | 89 x 311 x 235 |
| Attenuator | No | ||
Questions frequently asked
What speaker impedance is suitable for an Ashdown Rootmaster Rex Brown Signature 800W head?
With a minimum impedance of 4 ohms, this head can power one or multiple cabinets as long as the total load meets this limit. Two speaker outputs are provided, via Speakon or 6.35 mm jack.
Can an active or passive bass be connected to this head?
Two instrument inputs, high and low, allow adjustment of the input level for passive, active basses or those with an external preamp. A 22 kOhm line input is also available.
What tone and settings does the RB-800 offer for metal?
The 5-band EQ affects 100 Hz, 340 Hz, 660 Hz, 1.6 kHz and 7 kHz, with a range of ±15 dB. The sub-harmonic generator enhances low-end thickness. The valve emulation and compressor add grit and control dynamics.
Does the head have a DI output and a headphone jack?
The 420 ohm balanced DI output and the headphone jack on 6.35 mm allow direct use for recording or monitoring.
Is the Ashdown RB-800 easy to transport?
Its dimensions of 89 x 311 x 235 mm and weight of 2.5 kg make it easy to install in a rack or transport to rehearsals and gigs. The power supply accepts a voltage of 115 to 230 V.
