


USED - Ashdown Mag 420 Rootmaster Digital Bass Head
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Looking for a Ashdown Amplifier?
This exact instrument has found a home, but our Huntingdon workshop receives fresh deliveries weekly. Every guitar in stock is physically on-site and receives our signature pro setup before dispatch.
Seeking a Rare or Custom Instrument?
Instruments of this calibre are unique and often sell before reaching the website. Our workshop specialists regularly source high-end and vintage pieces directly for clients.
Looking for this specific spec or serial number? Contact our workshop directly at 01480 431222 or email [email protected] to discuss custom orders and upcoming allocations.
Established 2014
Family run independent
12 Months Warranty & in store setups
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Credit is offered by Shopify International Ltd. (FRN: 1031087)in partnership with Affirm UK Limited. Shopify International Limited is an Appointed Representative of Affirm U.K. Limited, trading as Affirm, which is authorised and regulated by the Financial Conduct Authority (FRN: 756087). Affirm’s company number is 10199101 and its registered office is at C/O TMF Group, 1 Angel Court, 13th Floor, London, EC2R 7HJ.
Ashdown MAG 420 Rootmaster head
Used but good full working condition
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.
Footswitchable variable overdrive
With footswitchable flexibility, our tube-emulated overdrive can take your core bass sound and push it into warm overdrive through to distorted filth whenever you need to add extra grind and girth to your tone.
Kick it down
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.
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.
M-420 Specifications
Power Output - 420 Watt
Power Handling - 115 - 230 Volts
Speaker Outputs - 2 x Jack Sockets
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) - 78 x 313 x 225
Weight - 4(kg)
No specifications available.
No extras information available.







