- Eurorack Modular (3U)
- Buchla (4U)
- Serge (4U)
- Moog Unit (5U)
- Complete Systems
- Mixing Consoles
- Keyboards
- Desktop Synths
- Drums
- Sequencers
- Electroacoustic
- FX + Pedals
- Cables + Adapters
- Audio, MIDI + DIN-Sync
- DIY + OEM
- Literature
- Merchandise
- Studio + Recording
€249.00
Net: €209.24
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Toppobrillo Eurobus 6U Kit — Compact Low-Noise Power Solution for Smaller Eurorack Rigs
The Toppobrillo Eurobus 6U Kit offers a clean, quiet, and efficient power supply for Eurorack — designed to match the low-noise performance of a linear supply while keeping the compact footprint and cool running of a modern switching design. The +12V rail delivers a healthy 3.5A, which suits systems where microprocessor-heavy modules pull more from that rail than they used to. -12V sits at 2A, and this version ships with a 1.5A 5V regulator.
The 6U kit includes one Active Eurobus — meaning one SWB65 regulator paired with a zone-filtered busboard. If your system grows later, a passive busboard can be added for a second zone, and the SWB65 upgrade kit turns that passive board into an active one down the line. Installation is DIY-oriented but manageable — retrofits usually reuse the existing DC brick, switch, jack, and wiring.
Good for compact cases, travel rigs, and anyone after clean, scalable power in a small footprint.
Features:
- One Active Eurobus (SWB65 regulator + zone-filtered busboard)
- +12V @ 3.5A, -12V @ 2A, +5V @ 1.5A
- Among the lowest ripple/noise specs in a switching Eurorack supply
- Four-layer stitched ground plane, thick copper traces
- Poly cap distributed capacitance — long life, low ESR
- 90% efficient at load; soft-start and short-recovery behavior
- Over-current, over-voltage, and thermal protection
- 20x keyed power connectors
- Bus breakout header for peripherals
- Expandable via passive busboard; upgradeable to active via SWB65 kit
- Active Eurobus dimensions: ~250mm L x 85mm W x 12.5mm high
- DIY installation; 15V DC brick not included