Please note: this is the 12U kit with 2x 1.5A 5V options included. It includes one Active Eurobus and one Passive Eurobus zone-filtered busboard. 15V DC brick not included. Some assembly required. (See User's and Installation Guide).
We say...
A serious power solution with uncompromising performance and attention to detail. If you're building or upgrading a big case, this should be at the top of your list.
Manufacturer's description
The Toppobrillo Eurobus is a robust new modular power solution for Eurorack - efficient, professional grade power with the lowest in-class noise specs on the market.
Features
- +12V @ 3.5A, -12V @ 2A, +5V @ 3A
- Lowest ripple/ noise in a switching Eurorack power supply. Offers the lowest noise/ efficiency ratio available.
- Zone-filtered, low impedance distribution; extra thick copper, thick traces and 4 layers of meticulously stitched ground plane span entire width of board.
- Fast, stable and robust load regulation.
- Efficient and relatively cool running. 90% efficient at load.
- Soft-start and short recovery.
- Over-current, over-voltage and thermally protected.
- 20x keyed power connects.
- High reliability poly cap distributed capacitance; very long life, very low ESR.
- Bus breakout header for peripherals and remote access.
- Small footprint and low profile. Assembled Active Eurobus dims: approx. 250mm L x 85mm W x 12.5mm at the highest. (over the regulator board)
System
The Eurobus system consists of a SWB65 regulator board paired with a low-impedance, zone-filtered busboard. Together, they provide a clean and stable power solution, capable of quietly delivering up to 3.5A on the +12V rail and 2A on the -12V rail. Ripple and noise are exceptionally low, even near full capacity, significantly outperforming typical off-the-shelf “can” switching supplies. Be sure to check out the User's and Installation Guide for more details and specs.
Modern Power for Modern Systems
As microprocessor-based modules have proliferated in Eurorack, the power requirements for many users’ systems have become more and more asymmetrical, relying more heavily on the +12V rail. The Eurobus system addresses this, and provides a very robust +12V rail (+3.5A) as well as an optional +5V (1.5A) rail. Note: this configuration includes the +5V option on both busboards for a total of 3A.
Modular by Design
The Eurobus’s modular design not only makes it one of the most flexible power solutions available, it also enhances performance. By utilizing the full width of the busboard for thicker traces and uninterrupted ground planes, routing and return paths are optimized- reducing impedances, improving power delivery, and lowering noise across the board, all while maintaining a compact footprint. One of the primary design goals for the Eurobus was optimal noise performance- approaching that of a linear power supply while retaining the benefits of modern switching efficiency- more juice, less heat, smaller footprint.
Expandable - 6U and Beyond
The Eurobus offers a scalable power solution for modern Eurorack systems, easily adaptable to a wide range of setups. The Eurobus busboard can be configured either actively or passively, used in conjunction with another active Eurobus, and upgraded with an SWB65 upgrade kit at any time for an expandable power solution that scales with your needs.
DIY'Y
Note that installation requires some familiarity with tools and techniques, but it’s manageable with a bit of planning. Retrofitting an existing case with our power supply should be straightforward, as you can likely reuse existing parts such as the DC brick, wiring, power switch, and DC input jack. You may not need to drill new holes for our mounting pattern (see the User's and Installation Guide for details). When installing into a new case, some planning is required to determine the best locations for power entry and other elements, so take your time. If you have questions or need guidance on selecting the right power supply, feel free to email us for a consultation—we’re happy to assist.
Links
- +12V @ 3.5A, -12V @ 2A, +5V @ 3A
How much is my shipping?
Shipping costs are calculated automatically at checkout. Simply add items to your cart and proceed to the checkout page, where you'll see the available shipping options and their prices. VAT at the applicable rate for your country will also be displayed at checkout.
European Union orders:
- Standard shipping is free on orders over €100. Express shipping is available on orders over €100, and free on orders over €400.
Poland orders:
- Standard shipping is free on orders over 250 PLN. Express shipping is free on orders over 500 PLN.
What about local taxes?
By default prices on the site include sales tax at 20%. The precise sales tax rate for your country will be calculated at checkout.
Do you ship to my country?
We ship to all EU member states from our warehouse in Warsaw, Poland. Add an item to your cart and enter your country and postcode to see the available shipping options and prices for your location. If you have any questions about shipping to your country, drop us an email at info@signalsounds.eu and we'll be happy to help.
Shipping methods
All EU orders are shipped via UPS. We offer two service levels:
- UPS Standard – our default shipping option. Delivery times vary by country (see estimated delivery times below).
- UPS Express Saver – next business day delivery to most EU destinations.
Each product page shows the estimated delivery time for your location, so you'll always know what to expect before you order.
Estimated delivery times (Standard shipping)
The times below are estimates in working days from dispatch, based on UPS Standard service. Express Saver delivers by the next business day to most destinations.
| Country | Estimated delivery (working days) |
|---|---|
| Austria | 2–3 |
| Belgium | 2 |
| Bulgaria | 4–5 |
| Croatia | 2–4 |
| Cyprus | 10 |
| Czechia | 2–3 |
| Denmark | 3 |
| Estonia | 2–3 |
| Finland | 3–5 |
| France | 2–4 |
| Germany | 2 |
| Greece | 5–7 |
| Hungary | 2–3 |
| Ireland | 4–6 |
| Italy | 3–5 |
| Latvia | 2–3 |
| Lithuania | 1–2 |
| Luxembourg | 2 |
| Malta | 5–7 |
| Netherlands | 2 |
| Poland | 1–2 |
| Portugal | 4–5 |
| Romania | 3–4 |
| Slovakia | 2–3 |
| Slovenia | 2–3 |
| Spain | 4 |
| Sweden | 3–5 |
These times are estimates and are not guaranteed. Delivery may occasionally take a little longer due to customs processing, local conditions, or carrier delays.
Dispatch times
Orders placed before 15:00 CET (Central European Time) on a working day are normally dispatched the same day. Orders placed after 15:00 CET, or on weekends and public holidays, will be dispatched on the next working day.
If you have an urgent order, please email us at info@signalsounds.eu before placing your order and we'll do our best to accommodate you.
Pre-orders
If a product is listed as a pre-order, it means we've ordered it from the supplier but it's not physically in stock yet. The product listing will include an estimated shipping date based on the best information we have from the supplier, but do bear in mind this is subject to change and is not a guaranteed date.
If you place an order containing a mixture of in-stock and pre-order items, we'll normally hold off on shipping anything until the pre-order item(s) have arrived, rather than splitting it into multiple shipments. If you need the in-stock items sooner, we'd recommend placing separate orders. As always, please get in touch at info@signalsounds.eu if you have questions.
Product Overview
Please note: this is the 12U kit with 2x 1.5A 5V options included. It includes one Active Eurobus and one Passive Eurobus zone-filtered busboard. 15V DC brick not included. Some assembly required. (See User's and Installation Guide).
We say...
A serious power solution with uncompromising performance and attention to detail. If you're building or upgrading a big case, this should be at the top of your list.
Manufacturer's description
The Toppobrillo Eurobus is a robust new modular power solution for Eurorack - efficient, professional grade power with the lowest in-class noise specs on the market.
Features
- +12V @ 3.5A, -12V @ 2A, +5V @ 3A
- Lowest ripple/ noise in a switching Eurorack power supply. Offers the lowest noise/ efficiency ratio available.
- Zone-filtered, low impedance distribution; extra thick copper, thick traces and 4 layers of meticulously stitched ground plane span entire width of board.
- Fast, stable and robust load regulation.
- Efficient and relatively cool running. 90% efficient at load.
- Soft-start and short recovery.
- Over-current, over-voltage and thermally protected.
- 20x keyed power connects.
- High reliability poly cap distributed capacitance; very long life, very low ESR.
- Bus breakout header for peripherals and remote access.
- Small footprint and low profile. Assembled Active Eurobus dims: approx. 250mm L x 85mm W x 12.5mm at the highest. (over the regulator board)
System
The Eurobus system consists of a SWB65 regulator board paired with a low-impedance, zone-filtered busboard. Together, they provide a clean and stable power solution, capable of quietly delivering up to 3.5A on the +12V rail and 2A on the -12V rail. Ripple and noise are exceptionally low, even near full capacity, significantly outperforming typical off-the-shelf “can” switching supplies. Be sure to check out the User's and Installation Guide for more details and specs.
Modern Power for Modern Systems
As microprocessor-based modules have proliferated in Eurorack, the power requirements for many users’ systems have become more and more asymmetrical, relying more heavily on the +12V rail. The Eurobus system addresses this, and provides a very robust +12V rail (+3.5A) as well as an optional +5V (1.5A) rail. Note: this configuration includes the +5V option on both busboards for a total of 3A.
Modular by Design
The Eurobus’s modular design not only makes it one of the most flexible power solutions available, it also enhances performance. By utilizing the full width of the busboard for thicker traces and uninterrupted ground planes, routing and return paths are optimized- reducing impedances, improving power delivery, and lowering noise across the board, all while maintaining a compact footprint. One of the primary design goals for the Eurobus was optimal noise performance- approaching that of a linear power supply while retaining the benefits of modern switching efficiency- more juice, less heat, smaller footprint.
Expandable - 6U and Beyond
The Eurobus offers a scalable power solution for modern Eurorack systems, easily adaptable to a wide range of setups. The Eurobus busboard can be configured either actively or passively, used in conjunction with another active Eurobus, and upgraded with an SWB65 upgrade kit at any time for an expandable power solution that scales with your needs.
DIY'Y
Note that installation requires some familiarity with tools and techniques, but it’s manageable with a bit of planning. Retrofitting an existing case with our power supply should be straightforward, as you can likely reuse existing parts such as the DC brick, wiring, power switch, and DC input jack. You may not need to drill new holes for our mounting pattern (see the User's and Installation Guide for details). When installing into a new case, some planning is required to determine the best locations for power entry and other elements, so take your time. If you have questions or need guidance on selecting the right power supply, feel free to email us for a consultation—we’re happy to assist.
Links
Technical Specs
Shipping Details
How much is my shipping?
Shipping costs are calculated automatically at checkout. Simply add items to your cart and proceed to the checkout page, where you'll see the available shipping options and their prices. VAT at the applicable rate for your country will also be displayed at checkout.
European Union orders:
- Standard shipping is free on orders over €100. Express shipping is available on orders over €100, and free on orders over €400.
Poland orders:
- Standard shipping is free on orders over 250 PLN. Express shipping is free on orders over 500 PLN.
What about local taxes?
By default prices on the site include sales tax at 20%. The precise sales tax rate for your country will be calculated at checkout.
Do you ship to my country?
We ship to all EU member states from our warehouse in Warsaw, Poland. Add an item to your cart and enter your country and postcode to see the available shipping options and prices for your location. If you have any questions about shipping to your country, drop us an email at info@signalsounds.eu and we'll be happy to help.
Shipping methods
All EU orders are shipped via UPS. We offer two service levels:
- UPS Standard – our default shipping option. Delivery times vary by country (see estimated delivery times below).
- UPS Express Saver – next business day delivery to most EU destinations.
Each product page shows the estimated delivery time for your location, so you'll always know what to expect before you order.
Estimated delivery times (Standard shipping)
The times below are estimates in working days from dispatch, based on UPS Standard service. Express Saver delivers by the next business day to most destinations.
| Country | Estimated delivery (working days) |
|---|---|
| Austria | 2–3 |
| Belgium | 2 |
| Bulgaria | 4–5 |
| Croatia | 2–4 |
| Cyprus | 10 |
| Czechia | 2–3 |
| Denmark | 3 |
| Estonia | 2–3 |
| Finland | 3–5 |
| France | 2–4 |
| Germany | 2 |
| Greece | 5–7 |
| Hungary | 2–3 |
| Ireland | 4–6 |
| Italy | 3–5 |
| Latvia | 2–3 |
| Lithuania | 1–2 |
| Luxembourg | 2 |
| Malta | 5–7 |
| Netherlands | 2 |
| Poland | 1–2 |
| Portugal | 4–5 |
| Romania | 3–4 |
| Slovakia | 2–3 |
| Slovenia | 2–3 |
| Spain | 4 |
| Sweden | 3–5 |
These times are estimates and are not guaranteed. Delivery may occasionally take a little longer due to customs processing, local conditions, or carrier delays.
Dispatch times
Orders placed before 15:00 CET (Central European Time) on a working day are normally dispatched the same day. Orders placed after 15:00 CET, or on weekends and public holidays, will be dispatched on the next working day.
If you have an urgent order, please email us at info@signalsounds.eu before placing your order and we'll do our best to accommodate you.
Pre-orders
If a product is listed as a pre-order, it means we've ordered it from the supplier but it's not physically in stock yet. The product listing will include an estimated shipping date based on the best information we have from the supplier, but do bear in mind this is subject to change and is not a guaranteed date.
If you place an order containing a mixture of in-stock and pre-order items, we'll normally hold off on shipping anything until the pre-order item(s) have arrived, rather than splitting it into multiple shipments. If you need the in-stock items sooner, we'd recommend placing separate orders. As always, please get in touch at info@signalsounds.eu if you have questions.
