Ashdown Engineering


£475.00 £599.00
Rediscover the Ashdown CTM-15, a timeless classic in the world of bass amplifiers. Packing 15 Watts of pure valve tone into a compact design, this amp is your go-to for studio sessions.
With its new built-in load and headphone output, the CTM-15 offers silent operation, making it an ideal studio companion. It doesn't stop there – thanks to its dual EL84 power stage, you'll be amazed by the size of the tones it produces. Whether you need clean, fat bass tones or growling overdrive, the CTM-15 delivers. And don't underestimate the power of its analogue VU meter, providing an instant display of your amp's output. Find that sweet spot effortlessly.
With 4 and 8 ohm speaker outputs, it's ready to rock any stage. Shipping in September 2023, the CTM-15 is not only affordable but also built to last, with repairability designed into its core components, backed by Ashdown's standard 5-year warranty.
Please Note:
Direct purchases NOT available in the United States
Find your local Ashdown Dealer HERE



  • Power Output - 15 watts
  • Power Requirements - 240/230/115 volts 50-60Hz
  • Speaker Outputs - 8 and 16 ohms or internal load (no speaker required) and headphone out
  • DI Outputs - Transformer derived Balanced
  • Impedance - <600ohms
  • EQ - Passive Standard Bass, Middle, Treble Tone Stack
  • Pre-Amp Tubes - 1 x ECC83
  • Output Tubes - 2 x EL84
  • H x W x D (mm) - 150 x 240 x 180
  • Weight (kg) - 5.34
Plug in and lay down a few bass lines through the Ashdown CTM-15 tube amp, and you won't be the first to wonder "Wow, is that really only 15 watts?".
The CTM-15 delivers deceptively large tones from its dual EL84 power stage, and it's low wattage means it’s easier to get red-blooded overdrive by driving it hard – all without shaking the foundations.

Whether the session needs big fat clean tones or growling, overdriven bass, the CTM-15 will have you covered.
Like all similarly equipped Ashdown's, the CTM-15's analogue VU meter isn't just there for show. Giving an instant accurate display of your power amp's output the CTM-15's VU meter lets you quickly find your amp’s sweet spot – where the magic really happens.
With 4 and 8 ohm speaker
outputs, the CTM-15 is ready to plug into your bass cab and rock.



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