Mellotron M4000D Rack

1,530.00 (including VAT @ 23%)

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Estimated delivery to you: 29th December 2016
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1 year warranty and 30 day money back guarantee included

1 year warranty and 30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

All Products are new unless stated, and include a minimum of one year warranty.

Some items are only eligible for money back guarantee if they are returned to us unused and sealed in the original packaging, and in the case of software, unregistered. These items include:

  • Software
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  • Earplugs and Ear Protection
  • Mouthpieces, Reeds etc… for Woodwind and Brass instruments
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We are unable to accept returns of any custom made items designed to work together as a unique package, such as computer system built to a customer’s personal specifications. Exceptions may only be possible with prior agreement of the vendor, and may be subject to a cancellation fee.

Product Ref: 74297

  • Rack Module Version of M4000D
  • 100 Mellotron and Chamberlin Sounds
  • Expansion Slot For Expanding Your Sound Library
  • Three Gold-Plated XLR Outputs
  • Dual, High-Quality TFT Displays

Mellotron M4000D Rack

The Mellotron M4000D Rack is a rack module version of the Mellotron M4000D featuring 100 sounds provided by Mellotron and Chamberlin. The Mellotron M4000D Rack is ideal for studio settings, giving you immediate access to Mellotrons renowned sounds, taken from its original tape libraries in the 60s and 70s for them classic, vintage sounds. The M4000D Rack also features dual high-quality TFT disoplays and a backlit laser cut front panel. The expansion slot located on the front panel allows you to add 100 extra sounds with a special format flash card, with the sounds taken from the original Mellotron archives.

Product Ref: 74297

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Based On The Mellotron M400

The Mellotron M4000D Rack focuses on taking the original Mellotron's design into the digital age. The sound of the Mellotron M4000D Rack stay true to the original M400 featuring 100 original Mellotron and Chamberlin lead sounds taken from the first-generation tape library, giving you access to the original vintage sounds from the 60s and 70s. You can also extend your sound library thanks to the expansion slot, which gives you 100 extra sounds on special compact flash cards. The rotary knob functions allow you to tweak and edit your sounds featuring parameters such as Tone, Pitch and Volume controls. There is also a 'Mix' control that allows you to blend between two selected sounds, allowing you to dial in the volume between the two sounds, giving you the ability to create layered sounds with added depth.

Custom 24-Bit Audio Reproduction

Bringing the Mellotron into the digital age, the M4000D Rack features 24-bit digital uncompressed audio playback, utilising the custom streaming technology for the best audio quality possible. The streaming technology itself was developed in-house at Mellotron, the advanced 24-bit audio reproduction brings the vintage sounds to life with an added sheen from the audio reproduction. The software and audio engine itself had taken 3 years to design and develop, with the original idea to produce a digital version of the Mellotron first conceived within the 90's. The development and design process ensures maximum audio quality and performance value.

Display & Connectivity

The Mellotron M4000D features two high-quality TFT displays with a backlit laser cut front panel, allowing you to view your sounds and change parameters on the fly. The dual TFT displays will display a picture of the actual instrument you are using, giving you a convenient visual representation of what sounds you are currently using. Additionally the backlit laser front panel adds to its versatility, giving you the ability to use the keyboard in low-light environments, perfect for live performances. In addition to its dual TFT displays, the Mellotron M4000D features a range of connections on the rear panel including: MIDI out, MIDI in, Expansion Slots, Sustain In, Phones, Expression In (x2), Volume In, Line Outputs and three gold-plated XLR outputs. This wide range of connections makes it perfect for studio or live use, allowing you to utilise the rack for a range of applications from recording music in a studio setting to live performances.

Expansive Sound Bank

As previously mentioned the M4000D Rack also features an expansion slot, allowing you to expand your sound bank with a range of new sounds. The expansion slot allows you to add up to 100 extra sounds to the M4000D Rack with a special format compact flash card. In total, there is 8 expansion cards on the way featuring a large variety of sounds. The built-in sound bank features a range of Mellotron and Chamberlin sounds for added versatility that you can tweak and edit with the Tone, Pitch and Mix controls allowing you to affect the sound and combine different voices for added depth.


  • 100 original Mellotron and Chamberlin lead sounds included, with IMMEDIATE access
  • Expansion slot gives you 100 extra sounds on special compact flash cards, all from the original archives
  • Two high-quality TFT displays and a backlit laser cut front panel
  • Three gold plated balanced XLR outputs, all other connectors are gold plated for maximum reliablilty


  • Dimensions (WxDxH): 480x140x90 mm
  • Weight: 1.7 kg
Your order may be delivered with a plug adapter
If any electrical items in your order are supplied with a United Kingdom plug connection, a suitable plug conversion adapter will be included free of charge.