Jolin - Knobi
Product information "Jolin - Knobi"
Macro Controller
KNOBI is a multi-tool able to mix, attenuate, invert, display and multiply any kind of signal. Knobi can serve a wide range of purposes thanks to its internal signal path that makes use of some of the most useful building blocks of analog synthesis: a 4-channel mixer, a three-range offset, an attenuverter, a fixed manual gate and lastly a cascading multiple derived from the output stage of Agogô.
a, b, c and d are Knobi’s inputs while r is a fixed 5v reference output. The toggle switch next to d sets the range of the offset - the big knob below the meter. Connect a signal into one of the inputs to visualize its voltage value in the three digits meter. Keep in mind that this reading happens post offset and attenuverter - the smaller knob with (-) and (+) indications.
The pushbutton next to x4 adds a gate of 5v to the mix: with no input connected it will act as a manual gate output. Autopatch the r reference output into one of the inputs to use Knobi as a macro controller thanks the offset knob and switch to set the range and the attenuverter.
x1, x2, x3 and x4 are all cascading copies of the final signal path. Plugging a cable will break the normalization and the multiplication will reset starting from the next output. Four cables plugged in will output a copy at the same factor x1 - unity gain - making Knobi a versatile buffered multiple.
Features:
• Thermally compensated 5v voltage source with dedicated output.
• Four channel mixer with four buffered output.
• Built in 3 digits voltage meter post mix / attenuation / inversion.
• Offset with a dedicated three positions range toggle.
• Manual gate button tied to the mix.
• 4 cascading outputs in an open design configuration.
• Unique signal path: mix - attenuate - invert - add - visualize - multiplicate.
• “Whatever” power connector a.k.a. don’t mind the polarity.
DIY-Kit-Type:
SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
KNOBI is a multi-tool able to mix, attenuate, invert, display and multiply any kind of signal. Knobi can serve a wide range of purposes thanks to its internal signal path that makes use of some of the most useful building blocks of analog synthesis: a 4-channel mixer, a three-range offset, an attenuverter, a fixed manual gate and lastly a cascading multiple derived from the output stage of Agogô.
a, b, c and d are Knobi’s inputs while r is a fixed 5v reference output. The toggle switch next to d sets the range of the offset - the big knob below the meter. Connect a signal into one of the inputs to visualize its voltage value in the three digits meter. Keep in mind that this reading happens post offset and attenuverter - the smaller knob with (-) and (+) indications.
The pushbutton next to x4 adds a gate of 5v to the mix: with no input connected it will act as a manual gate output. Autopatch the r reference output into one of the inputs to use Knobi as a macro controller thanks the offset knob and switch to set the range and the attenuverter.
x1, x2, x3 and x4 are all cascading copies of the final signal path. Plugging a cable will break the normalization and the multiplication will reset starting from the next output. Four cables plugged in will output a copy at the same factor x1 - unity gain - making Knobi a versatile buffered multiple.
Features:
• Thermally compensated 5v voltage source with dedicated output.
• Four channel mixer with four buffered output.
• Built in 3 digits voltage meter post mix / attenuation / inversion.
• Offset with a dedicated three positions range toggle.
• Manual gate button tied to the mix.
• 4 cascading outputs in an open design configuration.
• Unique signal path: mix - attenuate - invert - add - visualize - multiplicate.
• “Whatever” power connector a.k.a. don’t mind the polarity.
DIY-Kit-Type:
SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
| Current draw +12 V [mA]: | 50 |
|---|---|
| Current draw -12 V [mA]: | 30 |
| DIY Level: | Medium/Advanced |
| Depth [mm]: | 25 |
| Width [HP]: | 6 |
| Format: | 3U |
| Panel / Color: | Black FR4 |
Manufacturer / Hersteller:
Jolin di Federico Intrisano
Via Savona 123
20144 Milan
Italy
info@jolin.tech
Product Safety Information
Eurorack DIY Kits
Important Notice & Intended Use
Please read this safety guide before installation or use. This kit is intended for adult users experienced in electronics and modular synthesis. Assembly, including soldering, is required. Proper testing and installation are essential to ensure safe and functional operation. The completed module is intended for installation in a Eurorack-compatible synthesizer system powered by ±12V and +5V.
General Warnings
1. Electrical Hazards:
• Ensure the power supply matches the module’s specified voltage and current ratings (refer to the product manual). Incorrect voltage can damage the module and pose a safety risk.
• Never connect or disconnect the module while the Eurorack system is powered on.
• Wrong polarity can damage your module or system. Make sure the module is connected with correct polarity.
2. Heat Generation:
• The module may generate heat during operation. Ensure proper ventilation within your Eurorack case to prevent overheating.
3. Sharp Edges:
• The module’s faceplate and components may have sharp edges. Handle with care to avoid cuts or scratches.
4. Small Parts:
• Contains small parts that could cause a choking hazard. Keep away from children and pets.
5. Compatibility:
• This module is designed specifically for Eurorack-compatible systems. Connecting it to non-compatible systems may result in damage or malfunction.
Assembly Requirements
• Soldering skills are required to complete the module.
• Ensure a clean, well-lit and ventilated workspace free of flammable materials during assembly.
• Use appropriate tools and safety equipment, such as eye protection.
Testing
• Test the module thoroughly for shorts or incorrect assembly before powering it in your Eurorack system. When the unit has malfunctions due to incorrect assembly, the entire Eurorack system might be damaged. It's a good idea to test it in a separate case with only that single module.
• Use a multimeter or other appropriate tools to confirm proper functionality.
Installation and Use
• Mount securely in a Eurorack case using the provided screws.
• Use only the included or manufacturer-recommended power cable.
• Connect only when the power is off.
• Follow the module's user guide for instructions on operation. Do not exceed the input/output limits specified.
Responsibility
Users are solely responsible for proper assembly and testing. Contact manufacturer support for assistance if needed.
Environmental Safety
• Dispose of the module, its components, and packaging in accordance with local electronic waste regulations.
Liability Disclaimer
• The manufacturer or distributor is not responsible for any injury, damage, or malfunction resulting from improper installation, use, or modification of this product.
Contact Information
For further assistance, contact the manufacturer (you'll find the info under each product in our shop) or our shop support team at:
Tech Creation Lab Leipzig UG (haftungsbeschränkt)
Nonnenstrasse 19, 04229 Leipzig, Germany
support@exploding-shed.com
Jolin di Federico Intrisano
Via Savona 123
20144 Milan
Italy
info@jolin.tech
Product Safety Information
Eurorack DIY Kits
Important Notice & Intended Use
Please read this safety guide before installation or use. This kit is intended for adult users experienced in electronics and modular synthesis. Assembly, including soldering, is required. Proper testing and installation are essential to ensure safe and functional operation. The completed module is intended for installation in a Eurorack-compatible synthesizer system powered by ±12V and +5V.
General Warnings
1. Electrical Hazards:
• Ensure the power supply matches the module’s specified voltage and current ratings (refer to the product manual). Incorrect voltage can damage the module and pose a safety risk.
• Never connect or disconnect the module while the Eurorack system is powered on.
• Wrong polarity can damage your module or system. Make sure the module is connected with correct polarity.
2. Heat Generation:
• The module may generate heat during operation. Ensure proper ventilation within your Eurorack case to prevent overheating.
3. Sharp Edges:
• The module’s faceplate and components may have sharp edges. Handle with care to avoid cuts or scratches.
4. Small Parts:
• Contains small parts that could cause a choking hazard. Keep away from children and pets.
5. Compatibility:
• This module is designed specifically for Eurorack-compatible systems. Connecting it to non-compatible systems may result in damage or malfunction.
Assembly Requirements
• Soldering skills are required to complete the module.
• Ensure a clean, well-lit and ventilated workspace free of flammable materials during assembly.
• Use appropriate tools and safety equipment, such as eye protection.
Testing
• Test the module thoroughly for shorts or incorrect assembly before powering it in your Eurorack system. When the unit has malfunctions due to incorrect assembly, the entire Eurorack system might be damaged. It's a good idea to test it in a separate case with only that single module.
• Use a multimeter or other appropriate tools to confirm proper functionality.
Installation and Use
• Mount securely in a Eurorack case using the provided screws.
• Use only the included or manufacturer-recommended power cable.
• Connect only when the power is off.
• Follow the module's user guide for instructions on operation. Do not exceed the input/output limits specified.
Responsibility
Users are solely responsible for proper assembly and testing. Contact manufacturer support for assistance if needed.
Environmental Safety
• Dispose of the module, its components, and packaging in accordance with local electronic waste regulations.
Liability Disclaimer
• The manufacturer or distributor is not responsible for any injury, damage, or malfunction resulting from improper installation, use, or modification of this product.
Contact Information
For further assistance, contact the manufacturer (you'll find the info under each product in our shop) or our shop support team at:
Tech Creation Lab Leipzig UG (haftungsbeschränkt)
Nonnenstrasse 19, 04229 Leipzig, Germany
support@exploding-shed.com
Manufacturer "Jolin"
Jolin is an audio electronics lab specialized in eurorack modules, sound sculptures and DIY workshops.
The project was founded in Milan, Italy in the summer of 2018 by Federico Intrisano, hardware designer, and Pedro Ferragut, software engineer. The aim is promoting electronic music made with analog and digital synthesizers.
Although our main activity is research, we also build hand-crafted instruments and DIY kits with educational aim.
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