Befaco LICH Manuale utente

L I C H

U S E R M A N U A L

R e v : 1 1 / 2 0 2 0

L I C H P O W E R & I N T R O

P O W E R I N G T H E

M O D U L E

U S E R M A N U A L

T H A N K S F O R P U R C H A S I N G A M O D U L E F R O M B E F A C O !

B E F O R E Y O U P L U G T H I S M O D U L E I N . . .

1. Disconnect your cabinet from the mains.

2. Triple check the power cord polarity. The coloured line on the cable

(pin number one) is the -12V rail.

3. If you have any questions about this product please send them to:

support@befaco.org

I N T R O D U C T I O N L I C H

Lich is a programmable multi function module based on Rebel Technology OWL platform. This is a

collaboration that brings back Owl's platform with this new hardware iteration. It has four pot controls, like the

classic Owl module, adding CV and Gate outs, patch selection and display and USB MIDI host and device

connections.

M O D U L E

R E F E R E N C E PA N E L O V E R V I E W

1. USB Device

USB Type B Midi connector. This is used to connect Lich with the computer to load patches send and receive

MIDI and other functions.

2. USB Host

USB Type A Midi input connector. Working as MIDI Host to connect MIDI devices to control Lich.

3. LED Segment Display

Indicates the current patch loaded and provides visual feedback.

4. Rotary Encoder

This control selects and loads the patches using its push button.

5. A, B, C, D Controls

Manual controls of the four main parameters of the patch. The function is diﬀerent on each patch.

6. Push Buttons

Manual push control. The function of this controls is diﬀerent on each patch.

7. CV Inputs attenuators

Attenuators for each of the A, B, C, D CV Inputs

8. A, B, C, D CV Inputs

CV Inputs for the four main parameters of the patch. The voltage applied to these inputs is summed with the

Pot values. CV Range: 10V peak-to-peak

9. Stereo Inputs

Main audio Inputs.

10. Stereo Outputs

Main audio Outputs.

11. CV Outputs 1, 2

Assignable CV Outputs. The functions of these outputs are diﬀerent on each patch. CV Range: 10V peak-to

peak.

12. Gate Inputs 1, 2

Assignable Gate Inputs The functions of these inputs are diﬀerent on each patch.

13. Gate Output

Assignable Gate Output. The function of this output is diﬀerent on each patch.

L I C H F I R S T S T E P S

U S E R M A N U A L

S TA R T I N G

W I T H L I C H Q U I C K S TA R T

L I C H P A T C H E S

U S E R M A N U A L

P AT C H

D E S C R I P T I O N S I L K Y R E V E R B

Lich is a multi function programmable module that comes with four patches loaded.

A reverb, stereo delay, harmonic oscillator and a two way CV-MIDI and MIDI-CV converter.

On start, Lich will load patch one by default, please refer to the next pages for patch details and

control mapping. Also, you can load more patches from Owl's library, and even create your own!

We will go through this later on the manual.

Reverb algorithm with several delay lines and a feedback matrix, written by Robert Bristow-

Johnson and based on the published work of Jean-Marc Jot: Digital Delay Networks for Designing

Artiﬁcial Reverberators.

This can be described as a Lush reverb that can provide from clean reverberations to outer space-

like textures.

https://www.rebeltech.org/patch-library/patch/Silky_Verb

L I C H P A T C H E S

U S E R M A N U A L

P AT C H

D E S C R I P T I O N TA P T E M P O D E L AY

Tap tempo Delay with synced Sine and Ramp LFO outputs at CV Outs. Tempo can be also divided

and multiplied.

Delay time pot will adjust time from the time calculated via Tap Tempo / Gate 1.

https://www.rebeltech.org/patch-library/patch/Ping_Pong_Lich/

P AT C H

D E S C R I P T I O N H A R M O N I C L I C H

L I C H P A T C H E S

U S E R M A N U A L

Harmonic Lich is a CV and MIDI controlled Harmonic oscillator, an Oscillator where you can control

the harmonic content of your signal.

With Pot A and B you control the root note played and detune it. IN L will be the v/oct input if you

want to accurately CV control the frequency.

Pot C will change the Harmonic center, Pot D controls how high and low frequencies are

attenuated.

This patch will shine when a MIDI controller is attached, so you can control the volume of the ﬁrst

eight harmonics, starting with the fundamental, and following the ﬁrst seven harmonics. It also

responds to MIDI note messages by changing the fundamental frequency.

https://www.rebeltech.org/patch-library/patch/Harmonic_Lich/

L I C H P A T C H E S

U S E R M A N U A L

P AT C H

D E S C R I P T I O N M I D I M O D U L A R

MIDI Modular is dual MIDI to CV and CV to MIDI patch.

Incoming MIDI messages will be transformed as CV signal at module outputs.

A-B and L-R Inputs sends CV signals that will be output as MIDI Messages at Lich MIDI Output.

Additionally, Controls C-D adds a Sine FM to the Pitch Outputs.

https://www.rebeltech.org/patch-library/patch/MIDIModular/

L I C H P R O G R A M M I N G

U S E R M A N U A L

U P L O A D I N G

P AT C H E S A D D I N G N E W PAT C H E S F R O M O W L' S L I B R A R Y

As Lich is based on Rebel Tech's Owl Digital platform, new patches can be created and uploaded to

the module. The platform accepts patches created in Pure Data Vanilla, C++, Faust or Max Gen but

if you are not familiar with coding languages, a variety of patches are already available on Rebel

Tech's patch library.

To upload new patches connect the module to your computer via USB and open the next address in

a browser that accepts MIDI (such as Google Chrome or Chromium).

https://www.rebeltech.org/patch-library/

Once there, go to Device and press Connect to Device. You will be prompted with a message to

allow the browser to access MIDI Devices, press yes. Once the website connects with your device

you should see a screen like this:

On this screen you will have feedback about the amount of CPU memory used and some tweaks to

reset the device and clear the memory. The patches loaded will be showed at the right.

Now use the menu at the top to navigate through the patches and press one you like.

L I C H P R O G R A M M I N G

U S E R M A N U A L

On patch screen you will see a description of the patch and their controls. LOAD button will store

it in RAM so you can test the patch but it will gone as soon as the module will be turned oﬀ. To

load it permanently on the memory press STORE, select the desired slot and you are done.

Please note that many of these patches are intended for other Owl devices so exclusive hardware

additions on Lich like CV Outs won't have any function assigned. As these patches are coded by an

entire community of users, we can't guarantee their complete functionality.

M I S C E L L A N E A S P E C S & C R E D I T S

* Size: 12HP

* Depth: 25mm

* +12v: 140mA

* -12v: 15mA

This module is the ﬁrst collaboration with one of the brightest minds

in eurorack: Martin Klang, the man behind Rebel technology.

Befaco Rebel is the battle name we choose to bring you kick ass

modules. We could not be more thankful for this oportunity! Stay

tuned as this is just the begining....

O w l D i g i t a l m k 2 R e v 7 S p e c s

48kHz 24-bit stereo audio

3500 operations per sample

STM32F427 180MHz, 256Kb RAM, 1Mb Flash

8Mb SDRAM

8Mb NOR Flash

Integrated DSP, FPU, DMA

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