GForce Release Chamberlin For Reason

GB The ChamberTron-RE Rack Extension emulates the forerunner to the Mellotron      27/09/17

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GForce Software has released ChamberTron-RE, a Rack Extension for Reason. They say that, inspired by the tape replay keyboard originally invented by Harry Chamberlin in the 1950s, which, via a fascinating twist of fate, gave rise to the Mellotron. Effectively, the forerunner to the Mellotron, Chamberlin instruments were conceived and built between the 1950s and 1980s by a US inventor of note, Harry Chamberlin. Because of a dislike of Rock & Roll, Harry recorded instruments that (with the exception of the shared Three Violins sound) differ markedly from those of the Mellotron, and many claim that the Chamberlin recordings are more 'open' and 'natural' sounding

A spokesperson told us, "ChamberTron-RE provides a highly evocative set of sounds within an easy to use and carefully crafted Rack Extension."

Here's more details direct from GForce and Propellerhead...

Remaining faithful to the 35 note, 8 second limitation of the original Chamberlin M-series keyboards, ChamberTron-RE gives you direct access to 35 coveted tape banks curated by both the original British Mellotron® manufacturer, Streetly Electronics, and the GForce Software Chamberlin instrument collection.

Use ChamberTron-RE either as a straightforward playback device for these rare and iconic sounds, or, via the dual-layer and comprehensive editing features, create your own bespoke, hybrid patches which inject all the character from yesteryear without the expense of owning and maintaining an original Chamberlin tape replay instrument.


  • 35 Notes of Chamberlin goodness
  • Tape reverse
  • Tape half speed
  • Dual Layer capability for mixing sounds
  • Comprehensive synthesis section for each layer
  • Multimode filter for each layer
  • Global Delay and a new Spring Reverb Effect
  • Flexible back panel routing providing a raft of cross-modulation options
  • Huge patch library
  • Thirty five tape banks:


Accordion, Bassoon, Bells, Brass - Four Section, Cello, Clarinet - Bass, Clavi, Flute, Acoustic Guitar, Electric Guitar, Hawaiian Guitar, Slur Guitar, Harp Arpeggio, Harp Rolls, Harpsichord, Mandolin, Marimba, Organ 2, Kinura Organ, Acoustic Piano, Alto Sax, Tenor Sax, Four Saxes, Strings & Flutes, Muted Trombone, Open Trombone, Slur Trombone, Do Wah Trombone, Open Trumpet, Muted Trumpet, Vibraphone, Pizzicato Violins, Three Violins, Solo Male Voice & Solo Female Voice.

NB: The vast majority of the tape banks contained within ChamberTron-RE were kindly provided by the original Tron makers, Streetly Electronics. Their tapes provide different tonal characteristics to those used in the GForce ChamberTron Expansion Pack for M-Tron Pro.

Pricing and Availability:
Introductory offer of €25 until October 3rd (€49 thereafter)

More information:



GForce Software Social

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