For those seeking Ashdown tone, power and reliability without the weight normally associated with high power bass amplifiers the RM C115T-500- EVO II is the solution.  

Weighing in at just 18KG but boasting 500 watts of power delivered via one 15" White line Ashdown drivers this combo is laden with class leading quality and features. The Rootmaster EVO II range also now comes equipped with an on-board headphone preamp to allow for silent practice, which doubles up these gig-ready amplifiers as handy practice devices. 

The pre amp includes both passive and active input jack sockets for use with high and low output instruments, this sets a clear signal path to the input control enabling you to fine tune your input level using the trademark Ashdown VU meter. With the signal at its optimal level, you then hit the rich features designed to sculpt and enhance your tone, such as the shape button, comprehensive 5-band EQ and on-board compressor. The drive control, as always delivers a delectable valve emulated over-drive, whilst the sub harmonic controls add further fatness to your tone - both can be foot-switched via an FS 2 foot-switch (sold separately).  

The rear of the Rootmaster EVO II is also feature laden and has a balanced DI out, Line In, FX Loop, Headphone out plus a Neutrik Speakon/Jack for adding an 8 Ohm extension cabinet.

Lastly a handy mute switch allows silent tuning and changing of instruments, the VU changing from orange to cool blue when muted. 

Please Note:

Direct purchases NOT available in the United States

Find your local dealer HERE

RM 500 EVO II Features
Ashdown | Setting the standard since '97

SPECIFICATIONS

  • Power Output - 500 Watts
  • Power Requirement - 115-230 Volts
  • Speakers - 1 x 15" Ashdown Whiteline
  • Frequency Response - -3dB @ 17Hz und 30KHz
  • High Instrument Input - Impedance 3.9m Ohms, input range 150mV
  • Low Instrument Input - Impedance 10k Ohms, input range 300mV - 40V p-p
  • Line Input - Impedance 22k Ohms, input level 0dBu nominal
  • DI Output - 600 Ohm balanced, Level 0dBu nominal
  • Tuner Output - Impedance 22k Ohms, Level 0dBu nominal

  • Impedance - 8 Ohm Internal. Minimum 4 Ohm with extension cabinet added
  • Signal to noise - Better than 80dB (EQ flat)
  • EQ - Bass +/-15dB @ 100Hz, Lo Mid +/-15dB @ 220Hz, Middle +/-15dB @ 660Hz, Hi Mid +/-15dB @ 1.6kHz, Treble +/-15dB @ 7kHz shelving Deep +
  • Effects Send - Impedance 22l Ohm, Level 0dBu nominal
  • Effects Return - Impedance 22k Ohms, Input level 0dBu nominal
  • Distortion - Less than 0.5% THD
  • H x W x D (mm) - 590 x 470 x 335
  • Weight (kg) - 18

ashdown rm c115t evo ii combo front matt anodised alloy front panel
Matt anodised alloy front panel
A matt anodised alloy finish makes reading your controls and settings easy under even the brightest stage lights.

ashdown rm c115t evo ii combo eq controls
Simple, powerful EQ
The Rootmaster EVO II pre amp now includes a passive and active input jack socket for use with both high and low output instruments. The five- band rotary tone controls act with surgical precision to provide total control over your sound, while a shape switch instantly dials you in to a classic Ashdown tone setting, straight from the world-famous ABM.
ashdown rm c115t evo ii combo one knob compressor
One-knob Compression
The simple but highly effective footswitchable on board compression allows control over the dynamic range of your tone while increasing sustain & thickness, helping to make the overall level of your playing as consistent as possible.
ashdown rm c115t evo ii combo overdrive and sub harmonic controls
Overdrive & Sub Harmonics
With footswitchable flexibility, our tube-emulated overdrive can take your core bass sound and push it into warm overdrive through to distorted filth and any point inbetween whenever you need to add extra grind and girth to your tone.

Bringing extra depth and definition to your bass parts, the Sub-Harmonic Generator lets you dial in a sub-octave and kick it in via footswitch whenever you need the extra depth for those super-heavy Godzilla moments.
ashdown rm c115t evo ii combo di output and Neutrik Jack and speakon sockets
Totally connected
If you want to use your favourite pedals or multi-effects, you’ll find send and return sockets on the back panel, along with a DI output for direct injection into the PA mixer or recording console and a Line Input (with front panel level control) so you can jam along with a backing track in rehearsal.
A combined Neutrik Jack/Speakon socket allows connection of an 8ohm extension cabinet..
ashdown rm c115t evo ii combo headphone output
Headphone Output
The Rootmaster EVO II range now comes equipped with an on-board headphone preamp to allow for silent practice, which doubles up these gig-ready amplifiers as handy practice devices. The headphone preamp maximises the full sound potential of your headphones, so now your in ear sound can match the quality of your stage sound.
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Resources

RM 500 EVO II User Manual
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