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Ashdown CTM 300 H Valve Bass Head

Ashdown CTM 300 H Valve Bass Head


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The Ashdown CTM300 head is a sturdy 300w bass amp based on the classic design of many tube amplifiers however this unit is built with the modern bass player in mind.

The CTM 300 head is housed within an 18mm Marine grade birch ply cabinet that features heavy duty flip style handles and an internal fan to keep things cool, this is a tour ready amplifier that is built to last using only the finest components and will sound great night after night.

The Ashdown CTM 300 amp head is a bass tone monster that is tough, rugged and built for the demands of a touring musician. 

The valves allow dual gain with the warm tube overdrive added on the input and output to give a great overall sound and great control over your overall sound. The 3 band EQ consists of Bass, Middle and Treble and can be sculpted further using the 'Deep', 'Mid Shift' and 'Bright' push buttons making it quick and easy to create your own tone. Complimenting this is a tube driven and recovered FX loop and a very tasty tube driven DI out which is transformer derived with isolated ground for the ultimate tonal integrity.

Technical Specs

  • Power Output 300 Watt
  • Power Handling 750 Watt
  • Power Requirement 115-240 Volts
  • Speaker Outputs Speakon/Jack
  • Frequency Response 35Hz - 18Khz
  • High Instrument Input 450MV
  • Low Instrument Input 150MV
  • DI Output Valve Driven Transformer Derived
  • Output Impedance 2 Ohm Minimum
  • EQ Passive
  • EQ Section. Bass, Middle and Treble plus shape push buttons
  • Effects Send Jack
  • Effects Return Jack
  • Pre-Amp Tubes 1 x ECC83 1 x ECC832 1 x ECC99 2 x ECC82
  • Output Tubes 6 x KT88
  • Weight (kg) 33
More Information
Manufacturer Ashdown
SKU 108628
Shipping Weight (kg) 34.000000
Warranty 5 years
Series Custom Shop


We know you want to get your gear as quickly and as safely as possible, Next Working Day Delivery to UK Mainland Addresses, on all IN STOCK items, if ordered before 3pm. This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you.

  • Orders under £99: £4.99 Delivery Charge
  • Orders over £99: Free Next Day DPD Delivery (When Ordered before 3pm)
  • Weekend Delivery (Saturday-Sunday): £9.99 (When Ordered before 3pm Friday)
  • Heavy Items (over 40kg): £39.99 Pallet Service







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If you have bought something In-Store or Online and want to return it as unwanted, you have 30 days from when you receive the goods to contact our PMT experts either by phone or email to return your item.

We can offer you a refund if you return your item within 30 Days from purchase date and with 100% perfect packaging. 


Please Note - We cannot accept unwanted returns on microphones, any in-ear earphones or monitors, and any other items that touch your mouth, nose or inner ear if you have removed the hygienic packaging.