We've always been committed to great practise amps, but with AAA we've taken the concept to a whole new level. 

AAA are a new generation of Ashdown amps that will take today's players from the bedroom to the stage, with great tone and powerful features like our AppTek connection for integration with the latest smartphone and tablet-based amp sims and effects. 

Meet the Big Boy

For bass players who need a solid, affordable amp for practice, rehearsals and gigging, the Five 15 BB (or Big Boy as we like to call it) delivers big on features and tone, drawing inspiration from our flagship ABM amps and adding a few surprises. 

With a 220W power section driving a single 15” Ashdown speaker, the Five 15 BB doesn't pull it's punches. This model comes fitted as standard with casters for easier transporation. 

Classic Ashdown tone 

AAA amps are voiced with the soul of legendary Ashdown tone, as heard on countless recordings and in packed venues every night. 

High and Low Impedance inputs means they're ready for active or passive basses and power EQ is designed to get the most out every instrument. 

Our tube emulated drive control lets you take your core tone tone from warm and clean through to fat musical distortion at the turn of a knob. 

App-Tek – a world of tone at your fingertips

Via the App-Tek socket players can access the ever-growing range of amp sim and effects apps available on Smartphones and devices, unlocking a huge expanding range of sounds. Plugging your bass in to the amp and making a simple connection to your device via the supplied App-Tek cable is all you'll need to do to get started. Choose from effects apps to recording apps and even our very own ABM Pre App....

Bring ABM muscle direct to your AAA

Connect your device via App-Tek (using the supplied 4 pole mini jack cable) and use the ABM Pre App available on Agile Partners Amp Kit and you've got legendary ABM tone and flexibility dialled straight into your MiBass and ready to record or send straight to the PA. Enjoy Sub Harmonic Tube Drive, professional Compression and the ABM 7-Band EQ and transform this small grey box into a fully-loaded pro rig. 

Click HERE to download the Ashdown app via Agile Partners Amp Kit.  

Comprehensive Connections

Just because an amp is affordable doesn't mean you have to compromise of connectivity.  AAA amps feature Line In for connecting an mp3 player, headphone connection (with speaker mute switch) for silent practice and a great sounding DI for recording or sending your tone direct to a mixer.  

The Five 15 BB also features a transparent effects loop for use with your favourite pedals or multi effects and extension speaker out.

Built for the journey

Tough cabinets, quality coverings, metal corners and quality components – because we know the journey from the bedroom to the club can be a tough one and you need gear that won't let you down. 


Power Output 220 Watt
Speaker Configuration 1 x 15
Frequency Response -3dB at 22Hz and 25kHz
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 Yes with Mix Control
DI Output XLR
EQ Bass +/-15dB @ 100Hz Lo Mid +/-15 dB @ 340Hz. Middle +/-15dB @ 660Hz Hi Mid +/-15 dB @ 1.6kHz Treble +/-15dB @ 7kHz shelving 
Effects send Yes
Effects return  Yes

Less than 0.5% THD

H x W x D (mm) 550 x 470 x 335
Weight (kg) 17


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