Ashdown Rootmaster RM-MAG-220
At Ashdown, we know that not every gig pays the big bucks. Dedicated to busy, hard-working bass players on a budget, Rootmaster heads, combos and cabinets draw on all of our experience working with some of the biggest bands in the world to deliver workhorse reliability, creative tone-shaping, comprehensive recording and performing facilities plus the sonic slam you need to underpin your band’s performances night after night – all at a price that won’t break the bank.
Deriving its power from a classic 220W solid state engine, the RM220 delivers a compact reliable head loaded with tone-shaping power and flexible features.
Simple, powerful EQ

It all starts with an ultra-low-noise instrument input where the accompanying Input Level control helps you perfectly match the output of your bass. 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.
One-knob Compression

Instantly adding warmth and body to your tone, this simple to use, great sounding compressor delivers a powerful, even sound to make sure your bass will fill out any mix.
Specification
| Power Output | 220 Watts |
| Power Requirement | 115 - 230V |
| Speaker Outputs | 2 x Jack Sockets |
| Frequency Response | -3dB at 17Hz - 30Khz |
| High Instrument Input | Impedance 3.9m Ohms, input range 150mV - 20mV p-p |
| Low Instrument Input | Impedance 10K Ohms, input range 300mV - 40V p-p |
| Line Input | Impedance 10K Ohms, input range 300mV - 40V p-p |
| Tuner Output | Impedance 22K Ohms, Level 0dBu nominal |
| DI Output | 600 Ohms balanced, level -20dBu nominal |
| Impedance | Minimum 4 Ohm |
| 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 |
| Signal to Noise | Better than 80dB (EQ Flat) |
| H x W x D (mm) |
78 x 313 x 225 |
| Weight (kg) | 7.5 |