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µRings SE
Eurorack Module
TD-URSE-B
Designed by Daniel & Michael Gilbert of Tall Dog
Electronics in Western Massachusetts
tall-dog.com | urings-se.com
Based on the Rings module designed by Olivier Gillet of
Mutable Instruments
mutable-instruments.net
Manufactured by Elecrow in Shenzhen, China
elecrow.com
Assembled at Rust Temple in Easthampton, MA
rusttemple.today
c b a
Licensed under Creative Commons
Attribution-ShareAlike 4.0 International
creativecommons.org/licenses/by-sa/4.0
Source materials are available on GitHub
github.com/loglow/uRings_SE
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Table of Contents
Summary of Contents for Tall Dog mRings SE Series
- Page 1 µRings SE Eurorack Module TD-URSE-B Designed by Daniel & Michael Gilbert of Tall Dog Electronics in Western Massachusetts tall-dog.com | urings-se.com Based on the Rings module designed by Olivier Gillet of Mutable Instruments mutable-instruments.net Manufactured by Elecrow in Shenzhen, China elecrow.com...
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Page 2: Table Of Contents
Contents About ....................3 Included Parts ................3 History ..................... 4 Warranty..................5 Polyphony Selection ..............6 Resonator Selection ..............7 Making Connections ..............9 Front Panel ..................11 Calibration ...................14 Firmware Warnings..............15 Firmware Update ..............16 Serial Programming ..............17 JTAG Programming ..............18 Documentation .................19 CC BY-SA 4.0 ................20 Support ..................21... -
Page 3: About
About Rings is a resonator, transforming unpitched excitations (clicks, bursts, etc.) into full-bodied pitched sounds. Rings models the bar, the tube, or the strings that you can make vibrate by providing an external signal. This redesigned µRings SE (Special Edition) is a new revision of Rings that miniaturizes the module from 14HP to 8HP and redesigns its front panel layout. -
Page 4: History
History The original Rings (mutable-instruments.net/ modules/rings) was designed by Olivier Gillet of Mutable Instruments (mutable-instruments.net/ about) under a CC BY-SA 3.0 (creativecommons.org/ licenses/by-sa/3.0) license. Rings is available as a 14HP Eurorack module. Source: github.com/pichenettes/eurorack... -
Page 5: Warranty
Warranty This product is covered under warranty for one year following the date of purchase as indicated on the original sales receipt. This warranty covers any defect in the manufacturing of this product. This warranty does not cover any damage or malfunction caused by incorrect use—such as, but not limited to, power cables connected backwards, excessive voltage levels, exposure to extreme temperature or moisture levels,... -
Page 6: Polyphony Selection
Polyphony Selection Rings operation is governed by two settings controlled by buttons located near the center of the module: the POLY button and the MODE button. Pressing either button cycles between three states. The current state of each setting is indicated by the color of its associated LED: green, amber, or red. -
Page 7: Resonator Selection
Resonator Selection The MODE button selects from the three available types of resonators. They are: Modal Resonator (Green) Modal synthesis works by simulating the phenomena of resonance at play in vibrating structures, that is to say the way a string or plate (for instance) will absorb certain frequencies while it will ring at some other frequencies, called the modes. - Page 8 Resonator Selection Cont’d Sympathetic Strings (Amber) Some interesting string instruments (such as the sitar or sarod) make use of strings that are not directly struck/ plucked by the musician, but which are just responding to the vibration of other strings, and add extra overtones or undertones.
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Page 9: Making Connections
Making Connections Ideally, Rings would need three input signals: 1. A trigger signal on the STRUM input, which indicates that the currently playing note should fade away, and that a new note is starting. 2. A CV signal on the V/OCT input, which controls the frequency of the note. - Page 10 Making Connections Cont’d If there’s one take-home message from this: You can play Rings perfectly with just one CV output taken from a sequencer or sample & hold module! The note changes on the CV input will be interpreted as note changes and the module will produce a suitable excitation signal internally for these note changes to be heard.
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Page 11: Front Panel
Front Panel FREQ — Coarse frequency, adjusted by semitone increments. This control spans 5 octaves. Note that the FREQ CV input is normalized to 1⁄ 1 2 V, allowing its attenuverter to be used as a fine frequency control when no patch cable is inserted. STRUCT —... - Page 12 Front Panel Cont’d POS — Excitation position. Controls on which point of the string/surface the excitation is applied. Applying the excitation right in the middle of the surface will cause, by symmetry, the even harmonics to cancel each other, resulting in a hollow sound reminiscent of a square wave.
- Page 13 Front Panel Cont’d ODD and EVEN — Odd and even audio outputs: ● In monophonic mode, these two outputs carry two complementary components of the signal (odd and even numbered partials with the modal resonator, dephased components due to picking position and pickup placement with the string resonators).
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Page 14: Calibration
Calibration The module is factory-calibrated using precision voltage sources. Follow this procedure only if you want to compensate for inaccuracies in your CV sources, or if your module has lost its calibration settings following a fault or the installation of alternative firmware. To calibrate the unit: 1. -
Page 15: Firmware Warnings
Firmware Warnings Before starting the audio firmware update procedure, please double-check the following: ● Make sure that no additional sound (such as email notification sounds, background music, etc.) from your computer will be played during the procedure. ● Make sure that your speakers/monitors are muted or not connected to your audio interface—the noises emitted during the procedure are aggressive and can harm your hearing. -
Page 16: Firmware Update
Firmware Update Unplug all inputs/outputs from the module. Connect the output of your audio interface or sound card to the IN input jack. Set the FREQ knob to 12 o’clock. Power on your modular system while holding the POLY button, then release. Both LEDs should blink amber. When you are all set, play the firmware update file into the module. -
Page 17: Serial Programming
Serial Programming The module can also be programmed using a serial data connection. This is most easily accomplished by using a USB-to-serial chip such as the popular FT232R which can be found in many standalone breakout boards and cables, including the FTDI TTL-232R-3V3 as well as various equivalents from Adafruit, SparkFun, and others. -
Page 18: Jtag Programming
JTAG Programming The module can also be programmed using a JTAG programmer connected to the black shrouded header labeled JTAG (H5) on the module’s PCB. Power must be supplied separately via a Eurorack power cable connected to the POWER (H7) header. An example of this kind of programmer is the Olimex ARM-USB-OCD. -
Page 19: Documentation
Olivier Gillet of Mutable Instruments and released under the CC BY-SA 3.0 license. Modifications and additions to this material were created by Tall Dog and released under the compatible CC BY-SA 4.0 license. For an overview of the implications and terms of these... -
Page 20: Cc By-Sa 4.0
CC BY-SA 4.0 This is a human-readable summary of (and not a substitute for) the license, which can be found at creativecommons.org/licenses/by-sa/4.0/legalcode You are free to: ● Share — copy and redistribute the material in any medium or format. ● Adapt — remix, transform, and build upon the material for any purpose, even commercially. -
Page 21: Support
For all support inquiries, please send an email to support@tall-dog.com Who We Are Tall Dog Electronics is located in the Pioneer Valley region of Western Massachusetts. Tall Dog has primarily focused on producing a variety of breakout boards for the Teensy microprocessor development platform and conducts the majority of its business via the Tindie marketplace. - Page 22 µRings SE User Manual Revised 2018-11-05 Documentation CC BY-SA 4.0...