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Average Price: $1,600

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$200

$1001+

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Based on price data from 1 merchant for "Radial Workhorse 8-Slot Powered 500 Series Rack with Summing Mixer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Elevate your studio setup with the Radial Workhorse 8-Slot Powered 500 Series Rack with Summing Mixer—a truly versatile hub for your 500 Series modules. This robust 3U unit accommodates up to eight modules, giving you unparalleled flexibility to customize your sound processing. Whether you're assembling a chain of preamps, EQs, or compressors, the Workhorse makes it effortless to mix and match, allowing you to craft the perfect channel strip with its unique 'feed' function.

What sets the Workhorse apart is its built-in 8x2 summing mixer, letting you pan and level your signals with ease. The master section offers a virtual ground mix bus and is enhanced with Jensen Transformers for pristine sonic performance. Connectivity won't be an issue with its comprehensive rear panel, featuring traditional XLR, 1/4" TRS jacks, and 25-pin D-Sub connections, ensuring seamless integration with your PA or DAW.

The Workhorse is also equipped with a unique Omniport for additional module-specific functionality, whether it's an extra output or an effects insert. Its hum-fighting power supply and built-in noise-filtering technology ensure your signal remains clean and clear. With the option to gang multiple units together, the Workhorse can expand into a full-fledged studio console, offering the warm, rich sound of analog summing in a modern digital environment.

Key Features:

  • Holds up to eight 500 Series modules
  • Phantom power per module slot
  • Omniport input for each slot
  • 1/4" and XLR I/O, 25-pin D-Sub jacks
  • Transformer-isolated outputs
  • Built-in 8x2 summing mixer
  • Jensen Transformer-enhanced master section
  • Built-in noise-filtering technology
  • Hum-fighting power supply
  • Expansion bus for larger setups

Product specs

Brand Radial
Model Workhorse 8-Slot Powered 500 Series Rack with Summing Mixer
Year 2010s
Made In Canada
Categories 500 Series Modules and Frames, Summing

FAQs

How many 500 series modules can the Radial Workhorse 8-Slot Rack accommodate?

The Radial Workhorse 8-Slot Rack can accommodate up to eight 500 series modules, allowing for extensive customization and flexibility in your studio setup.

Does the Radial Workhorse include a summing mixer, and what features does it offer?

Yes, the Radial Workhorse includes an 8x2 summing mixer with features like module selection, pan control, level adjustment, and peak indicators for each channel.

Is the Radial Workhorse compatible with power-hungry modules?

The Radial Workhorse provides plenty of current, making it compatible with power-hungry 500 series modules, ensuring reliable performance.

Can multiple Radial Workhorse units be used together?

Yes, the Radial Workhorse features an expansion bus that allows for Master/slave configuration, enabling multiple units to be used together seamlessly.

What is the primary benefit of the Radial Workhorse's dual output headphone buss?

The dual output headphone buss on the Radial Workhorse allows for flexible monitoring options, ensuring that you can accurately monitor your mix directly from the unit.

How does the Radial Workhorse minimize noise and crosstalk?

The Radial Workhorse is designed with quiet and flexible routing to keep white noise and crosstalk to a minimum, ensuring clean audio signal paths.

Full Compass

Full Compass

Radial Engineering Workhorse 8-Slot 500 Series Module Rack Overview | Full Compass

Video thumbnail for Radial Engineering Workhorse 8-Slot 500 Series Module Rack Overview | Full Compass by Full Compass

Radial Engineering Workhorse 8-Slot 500 Series Module Rack Overview | Full Compass

Full Compass

Full Compass

Video thumbnail for Radial Workhorse Introduction by Radial Engineering

Radial Workhorse Introduction

Radial Engineering

Radial Engineering

Video thumbnail for Radial Workhorse Overview by Radial Engineering

Radial Workhorse Overview

Radial Engineering

Radial Engineering

Reviews

PROS

  • Exceptional build quality ensures durability and long-term use

  • Offers clean summing capabilities for enhanced mixing

  • Ability to bypass individual modules for greater control

  • Compatible with various 500 series modules for versatile setups

  • Facilitates improved recording quality for beginners and pros

  • Allows integration with external patchbays for flexible routing

  • Provides a cost-effective solution for a summing mixer and 500 series rack

  • Useful for balancing input levels before conversion

CONS

  • Requires DB25 to XLR/TRS cables for full functionality

  • Non-intuitive setup for non-Radial modules without manual reference

  • Not suitable as a standalone summing mixer for extensive recording or mixing tasks

  • Limited live performance application without additional equipment

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Radial Workhorse 8-Slot Powered 500 Series Rack with Summing Mixer.

Use cases and applications

  • Building a modular console with 500 series modules allows for a personalized setup, offering flexibility in choosing preamps, EQs, and compressors tailored to preferred sound profiles.

    Source
  • With a TRS patchbay, users can flexibly route signals for recording and mixing, accommodating complex setups like tracking with tape.

    Source

Value and pricing

  • Constructing an 8-channel custom console with 500 series modules is estimated to cost up to $14k, making it a gradual investment compared to purchasing a full-sized console.

    Source

Features and functionality

  • A complete setup could include three 8-slot chassis: one for preamps, another for EQs, and a third for compressors, culminating in a summing mixer for final output.

    Source
  • Aphex USB 500 rack includes a USB interface, enabling use of 500 series modules as plugins, but lacks ADAT ports for expansion.

    Source
  • Radial Workhorse six-pack offers more connections and features like feed and link switches, outperforming API in versatility.

    Source

Mods and upgrades

  • Consider using combo modules, which integrate preamps with EQ or compression, to save space and cost within the 500 series setup.

    Source
  • CAPI VP26 modules are noted for their ease of assembly, taking about 2.5 hours each to build, offering a DIY option for users with some soldering experience.

    Source

Comparisons

  • The Midas Venice mixer offers an alternative with 16 channels, great preamps, and an analog mixer section for under $2k, providing a less expensive traditional console option.

    Source
  • Lindell Audio boxes provide 400 mA per rack space, surpassing API's 250 mA, offering more power and sturdier build.

    Source

Setup and maintenance

  • If handy with a soldering iron, Classic Audio Products of Illinois offers 8-space kits that can be bolted together, requiring a custom power supply for full functionality.

    Source

User experience

  • Lindell 6-space racks are praised for their solid build and affordability, though the power switch's rear placement is considered inconvenient.

    Source

Critic Reviews

Radial Workhorse 500-Series Rack Review | TapeOp | Tape Op Magazine

tapeop.com

Radial Engineering's Workhorse 500 Series Rack is a robust piece of gear that promises versatility far beyond a simple rack. It impresses with its integrated summing mixer, thought-out design, and the ability to handle a multitude of recording and mixing scenarios. The ease of module insertion and dual grounding lugs are standout features for studio integration. However, the lack of module-specific mute switches can complicate signal management, demanding extra attention. Despite this, the Workhorse's potential for creative routing and processing makes it a formidable choice for both studio and mobile setups. A true "problem-solver" for any sound engineer's toolkit.

positive

Radial Workhorse

soundonsound.com

Radial's Workhorse 8-Slot Rack sets a new standard for 500-series modules with its robust build and innovative features. It combines a modular frame with a built-in 8-channel mixer, offering flexibility for diverse recording setups. The thoughtful design includes a removable slot tray for easy module fit and 'Feed' switches for seamless signal chaining. While its internal mix-bus enhances functionality, not all modules utilize it, which could limit some setups. Despite this, the Workhorse shines with its versatility and modular connectivity, making it an ideal choice for those diving into the 500-series world.

positive

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