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Ashdown Rootmaster-C112T-500-EVO 500w 1 x 12" Combo


Ashdown's range of Rootmaster amplifiers are well known for being high quality, lightweight bass amps made for the gigging player. Now Ashdown are improving these amps even further with more power, lighter weight and more tone options in the Rootmaster Evo series. The RM-C112T-500-Evo is a 500w amplifier that is perfect for everything up to mid sized gigs.

Lighter Weight

While the previous generation of Rootmaster amps sounded amazing they were a little bit heavier than what some players wanted. With the EVO's new more powerful power amp section and a new lighterweight design on the cabs you can expect your rig to be 35% lighter than the previous Rootmaster rig. Same great tone...no more back pain. This model weighs only 16.5kg.

1x12" Combo Design

Perfect for thost that need a versatile tone in a lightweight package. The single 12" speaker in this combo will push out a great range of frequencies without too much low end or high end. If you wanted one speaker set up for all kinds of suituations this is what you want to go for. Need more punch or high end? You can always add on an 8 ohm speaker cabinet to get a really full and punchy sound.

Dual Inputs

Changing between active and passive basses can be a bit of a pain. Mainly because the input level is so different instrument to instrument that if you forget while on stage you may have no level or all of a sudden become way too loud. The EVO now has dual inputs so you just need to change the input to be attenuated to the right level at a moment's notice.

Powerful EQ

Ashdown have always been known for their EQ circuits and the one on this little head is incredible. With 5 bands covering bass, middle and high as well as specific 240Hz and 1k5Hz controls you have a huge range of sounds at your hands. Not to mention that by flicking in the Shape switch you can transform the tone from the Rootmaster to a classic ABM style Ashdown tone.

Tone Shaping Options

If having all of those EQ options was enough this amp also has high quality, single knob compression built in. You even have built in overdrive and sub controls letting you really shape the tone to your liking. This really is the king amp for the player who wants to dive between a bunch of different sounds without having to change amps or carrying a massive pedalboard.

Here's what Ashdown say about the RM-C11T-500-EVO

New to Ashdown's streamlined range of combos is the Rootmaster EVO C112T 500 - a powerful 500 watt combo, loaded with a single Ashdown White Line 12" speaker. Like other combos in the Ashdown Rootmaster line up, the C112T 500 offers improved features and finish, coupled with a dramatic reduction in weight.

Rootmaster EVO combos are made from light-weight ply to cut down on weight without risk to the signature Ashdown sound. Ashdown Rootmaster EVO Combos employ the NEW Ashdown White Line speakers for a refined tone and can extended with the addition of an 8 ohm extension cabinet output to produce full power, making a truly versatile system.

Ashdown Rootmaster EVO combos now feature bar handles for ease of transport and finished in Buffalo Tolex with a Black cloth grill. These combos have a distinctive looks and quality finish that truly stand out from the crowd.

Tonally, the compact design maintains the low-end response with a more dynamic mid range. The addition of the tweeter provides extra high end and can be adjusted either to either hi, low or off depending on the player's preference.

The Rootmaster EVO series' pre amp now includes a passive and active input jack socket 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 enhance your tone, such as the shape button, 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 footswitch (sold separately).

Rootmaster EVO combos also feature an upgraded power section plus a handy mute button. What's even cooler is when switched to mute, the trademark Ashdown Engineering VU meter changes from orange to cool blue - creating the perfect on stage mood lighting between sets.


  • Power Output: 500 Watts
  • Power Handling: 115 - 230 Volts
  • Speaker Configuration: 1 x 12
  • Speaker Outputs: 2 x Speakon
  • Frequency Response: -3dB at 17Hz and 30kHz
  • High Instrument Input: Impedance 3.9m Ohms, input range 150mV - 20mV p-p
  • Low Instrument Input: Impedance - 1M ohms Input range 150mv to 10v p - p
  • Line Input: Impedance 10k Ohms, input range 300mV - 40V p-p
  • DI Output: 600 Ohm balanced / Level -20dBu nominal
  • Tuner Output: Impedance 22k Ohms / Level 0dBu nominal
  • Impedance: Minimum 4 Ohm
  • 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 22k Ohm / Level 0dBu nominal
  • Effects Return: Impedance 22k Ohm / Level 0dBu nominal
  • Distortion: Less than 0.5% THD
  • H x W x D (mm): 476 x 470 x 335
  • Weight (kg): 16.5kg
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