Radial CUBE 3U
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The Essentials to Know About the Radial Series 500 Le Cube Chassis
The Essentials to Know About the Radial Series 500 Le Cube Chassis
- Portable desktop format with integrated handle, ideal for placing on a table or easily moving around the studio.
- 100% compatibility with classic API modules, in line with Radial's Workhorse criteria.
- Robust power supply: 500mA for demanding modules, plus a separate 48V phantom power supply (10mA) for microphone preamps.
- Smart routing: "feed" function to chain modules without cables, stereo link switch, and one OMNIPORT jack per slot.
Manufacturer Information
Radial
https://www.radialeng.com
info@radialeng.com
------------------------
Safety manager:
Algam SAS
Email: contact@algam.net
Address:
A Series 500 Lunchbox Designed for the Field, Following the Workhorse Philosophy
Unlike many Series 500 chassis primarily designed for racks, Le Cube focuses on a more direct approach: bringing your preamps and processors as close as possible to the source. Placed on a table, at the foot of a rack, next to a recording station, or in a mobile control room, it helps reduce unnecessary cable lengths and maintain a clean, stable signal. This logic is part of Radial's Workhorse DNA: durability, professional connectivity, and full compatibility with the historic Series 500 standards.
Its construction starts with a solid base: 14-gauge steel frame and 15-pin EDAC connectors with gold double contacts, designed for reliable signal transfer even with high-end modules sensitive to power supply and load variations.
Who It's For and Why: Bringing Your Modules Closer to the Microphone, Instrument, and Musician
Le Cube is aimed at sound engineers, demanding home studio users, and professional studios who want to use the Series 500 more flexibly than a fixed rack setup. It becomes especially relevant if you frequently record with microphones (vocals, acoustic guitar, drums, amps), or if you like to process at the source with a Series 500 mic preamp, compressor, or EQ placed right next to the capture area.
In sessions, it's also a comfort tool: you keep controls within reach without having to get up to access a rack, and you can quickly adjust the order of processing. Finally, for hybrid environments (studio + external recordings), its handle and desktop format make it a coherent solution for a portable recording chain without compromising connectivity.
Technical specifications
| Frequency response - start | 20 Hz | Analog outputs | jack, 3 x jack, 3 x XLR, XLR |
| Frequency response - end | 20 kHz | Display | LED |
| Category | format 500 | Ports | API 500 |
| Number of channels | 3 | Weight | 2.5 g |
| Digital conversion | No | Dimensions (mm) | 190 x 160 x 190 |
| Inputs | 3 x XLR, 3 x jack | ||
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Questions frequently asked
Is the Radial CUBE 3U compatible with all 500 series modules?
The chassis uses 15-pin dual-contact gold EDAC connectors and complies with the legacy 500 series standards. Its three slots thus accommodate API 500 format modules.
How can modules be connected together without patch cables?
The Feed function directly routes successive modules without patch cables. A chain of preamp, compressor, and EQ can therefore be organized from the chassis.
What connectivity is available on this 500 lunchbox?
Each slot has XLR inputs and outputs, duplicated on TRS jacks. A TRS OMNIPORT is also present on each slot for features provided by the modules, such as a side-chain or instrument input.
Is the power supply suitable for power-hungry 500 preamps and condenser microphones?
The external power supply delivers up to 500 mA to power-hungry modules. A separate 48 V phantom power supply provides 10 mA for mic preamps used with condenser microphones.
Can this 500 series chassis be placed on a studio desk?
Its desktop format of 190 Ă 160 Ă 190 mm and its handle facilitate placement near the recording area. Optional mounting brackets allow flat or 30-degree angled installation. The frame is made of 14-gauge steel.
