Klavis CalTrans

Eurorack Module

  • 4 Channel oscillator calibrator
  • Measures and calibrates the pitch CV characteristic curve for up to 4 oscillators and corrects for octave tracking
  • Coarse and fine tuning per channel is over 10 octaves
  • Portamento and Glissando adjustable per channel (0-10 seconds)
  • Integrated chromatic quantizer
  • 4 memory locations for transposition
  • Glissando and Portamento user preset settings
  • Power requirements: 44 mA (+12 V) / 8 mA (-12 V)
  • Width: 6 HP
  • Depth: 36 mm

Further Information

Switch Modul No
CV-Editor/VC-Processor Yes
Tools Yes
Width 5 TE / HP

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Our most popular Various Modules
4 Customer Ratings
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5 /5
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Great for octave shifts and tracking errors
colon, 21.05.2020
Great little module and easy to use. Just set the lowest note you will use on one of 4 VCOs, aim for it to be the same note, then plug the output of the oscillator to the calibration in and the output of the desired channel back to the same VCO. Say out 1 to VCO 1 volt/oct input and when you select channel 1 from the flashing channels the channel will be swept through the octaves correcting for any tracking errors, this takes about a minute or 2. The calibration light will stop flashing. Now when you connect a keyboard or sequencer to channel 1 input of the above example the out goes to the VCO and now your tracking will be accurate and you can then octave shift easily with the encoder and also change semitones as well. The manual is quite good and explains most things well. The 4 lights at the top tell you when you are pitch shifting and you can quickly reset each channel to the base frequency with reference to the flashing lights and they will stop flashing to show you are at base frequency. You cant afford to be without this module for tonal music. Have fun.
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Makes life so easy
johanjterbeek, 20.02.2021
Tuning my 4 voices was always a pain in the *ss
With the Klavis Caltrans life is easy!! And some extra's like Glide/portamento, adding semitones and octaves. Nice!!
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de Original review (Show translation)
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Super Modul
ML Berlin, 31.03.2020
Super Modul zum stimmen von Oszillatoren. Funktioniert z.B. perfekt mit den Oszillatoren von Verbos. Es braucht aber eine Klangquelle mit einem "stabilen" v/oct tracking. Ich habe es nicht geschafft den Verbos Amp & Tone Controller (mk1) mit dem CalTrans zu kalibrieren. Die Selbst-Oszillation dieses Filter Typs ist zu wenig stabil. Der Amp & Tone Controller hat aber auch keinen v/oct Eingang.
Andere selbstoszillierende Filter lassen sich aber durchaus mit dem CalTrans steuern. Da kommt es auf das Verhalten der einzelnen Module an. z.B habe ich das LP Filter des CG Products Noise VCA problemlos kalibrieren können.

Das Modul bietet vier Channels die in Gruppen oder einzeln transponiert werden können...
Big Fun für tonale Musik mit dem Modular Synth.
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de Original review (Show translation)
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Für die Gemütlichen. Nur für V/Oct-Signale geeignet.
Max H, 12.11.2019
Der Klavis CalTrans macht genau was er soll. Er passt ein V/Oct-Signal an die Gegebenheiten eines Oszillators an. Meiner Meinung nach gibt es hierfür allerdings intuitivere und einfachere Alternativen. Ist eher etwas für die Gemütlichen unter euch ;)

Schön ist, dass man auch Aufsätze für die Einbauschrauben mitbekommt. So treten beim Einschrauben im Rack keine Kratzer am Modul auf.

Ich habe auch mal ausprobiert, ob er zusammen mit dem Behringer K-2 (Korg MS-20 Klon) funktioniert, also ob er auch V/Oct-Signale in Hz/V-Signale umwandeln kann. Das kann er nicht. Hierfür gibt es andere Module.
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Show variations of this product
Klavis CalTrans
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Klavis CalTrans
to the product
159 €

Eurorack Module 4 Channel oscillator calibrator, Measures and calibrates the pitch CV characteristic curve for up to 4 oscillators and corrects for octave tracking, Coarse and fine tuning per...

Klavis Flexshaper
Klavis Flexshaper
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131 €

Klavis Flexshaper; Eurorack module; CV-controlled voltage mapper and waveshaper; suitable for CV and audio signals; works as Limiter, Distortion, Clipper, Waveshaper, Frequency Multiplier, Inverter,...

159 €
Including VAT; Excluding 20 € shipping
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times

Delivery approx. between Tuesday, 16.03. and Wednesday, 17.03.

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* The prices shown include VAT. and are valid as long as stocks last. Please click here for international shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. All invoices will be issued in EUR.
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