Ashdown Engineering



200 Watt All Valve Rackmount Bass Amp Head

Like it’s big and little brother, the CTM-300 & CTM-100 the NEW CTM-200R takes its sonic cues from the classic valve heads of the past and pairs its 200W all-valve design with modern features, construction and reliability and perhaps most importantly huge valve tone.

Built to be gigged the CTM-200R rack head is housed in a 2mm mild steel chassis with spot welded supports fabricated in Essex, England, hand finished and powder coated in black before being fitted with its beautifully engineered heavy duty circuit boards which support the valve compliment of four KT-88 power tubes as well as the array of pre amp valves consisting of 2 x ECC-832 2 x ECC-82 1 x ECC-99.

Please Note:

Direct purchases NOT available in the United States

Find your local dealer HERE

Mark Gooday and James Crutchley runs through the features and tones of the CTM 100


  • Power Output - 200 Watts
  • Power Requirements - 115-240 Volts
  • Speaker Outputs - 3 x Jack 8/4/2 Ohm
  • DI Output - Valve Driven Transformer Derived
  • Impedance - Minimum Impedance 2 Ohm
  • EQ - Passive EQ Section. Bass, Middle and Treble plus shape push buttons

  • Effects Send - Jack
  • Effects Return - Jack
  • Pre-Amp Tubes - 2 x ECC832, 2 x ECC82
  • Output Tubes - 4 x KT88
  • H x W x D (mm) - 432 x 352 x 130
  • Weight (kg) - 23.2

Ashdown KT88 valves
Classic all-valve tone
With a classic five valve preamp configuration and a fully-loaded power section consisting of 4 x KT88 output valves, the CTM-200 is easily up to the job of delivering it's powerful tones at small to medium-sized gigs night after night.
Ashdown CTM 200r bass, middle and treble controls
Flexible tone shaping
From mellow '60s bass tone to growling '70s-style bass, straight through to thick and powerful modern tone, the CTM-200R covers a huge range of sonic ground. Hit the Mellow button to engage smooth, warm, clean tones – or punch it out to dial-in pure valve overdriven growl.

Standard tone controls give you a wide range of uber-musical sounds, while Deep, Mid Shift, and Bright switches let you fine-tune your tone to the situation. The EQ section is a passive tone circuit - meaning if all controls are at zero there will be no sound through the amp. All the controls are highly interactive, giving you the possibility to dial in exactly what tone you want. Don’t be scared to dial the pots all the way to get the most from the controls.
Ashdown CTM 200r VU meter
Valve life preserver
Saving costly and time consuming trips to the Tech and keeping your amp sounding better for longer, the CTM-200R features user adjustable bias for both output valves which can be set by engaging the bias mode of the dual function VU meter on the front panel. Each output valve is individually fused and user replaceable without removing the unit from its case (meter also indicates valve or fuse failure).
Ashdown CTM 200r Di and gain controls
Tube-driven DI & Effects Loop
To get your tone direct to the desk in the studio or on stage, the CTM-200R features a valve-driven, transformer-derived DI output with an isolated ground to deliver maximum sonic purity and consistent output night after night.

Similarly, the front-mounted effects loop is also valve-driven for maximum tonal preservation.
CTM 200R User Manual

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