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Radial Engineering Workhorse - SixPack 500 Series Desktop Rack   

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The SixPack is a desktop power rack for 500 series modules that lets you mix and match up to six modules and safely power them to create a stereo cha...Read More

Temporarily out of stock Reserve now - Ships 12-14-2015

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The SixPack is a desktop power rack for 500 series modules that lets you mix and match up to six modules and safely power them to create a stereo channel strip or unique signal chain.

The design begins with a heavy 14 gauge steel construction and baked enamel finish. This provides extra durability when moving the SixPack around the studio while also providing better shielding against stray magnetic fields. To reduce induced noise, the power supply is external and connects using a 5-pin locking XLR. To ensure positive contact, the module card-edge connector is mated to a double sided EDAC 15-pin receptacle that is 100% compatible with the old API pin format. Extra safety is built-in to ensure malfunctioning modules will not harm the SixPack or other modules that may already be connected. And with 1600 milliamps of shared current, the SixPack exceeds all others with an average of over 265 milliamps per slot to ensure even the most power hungry tube modules will be satisfied.

Rear panel connectivity includes individual XLR input and output connectors wired in parallel to ¼" TRS connectors. These may be used as mults or for cross-patching various modules together to create innovative sounding signal paths. A set of 25-pin D-Sub connectors enable the SixPack to easily integrate with a Workstation. Two XLR connectors are front mounted and may be routed to the D-Sub or to inputs 1 and 4 to make patching in a microphone more expedient. Extra features include a feed switch that patches one module into the next, a link switch to combine stereo-ready modules and Omniport, a ¼" TRS jack that adds extra functionality.

The convenient design lets you set the SixPack down on your work surface or carry it around the studio using the side-mounted handle. Optional flanges let you mount it in a 19" rack if you plan to take your SixPack on the road!

Power for up to six 500 Series format modules anywhere in the studio.

  • Portable 6 slot power rack with carry handle
  • Perfect for stereo channels or as a studio side car
  • Powerful 1600 milliamp supply will not sag when loaded
  • Workstation ready with front panel convenience XLRs

Take your custom 500 Series signal chain with you to any session.


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by PowerReviews
Radial EngineeringWorkhorse - SixPack 500 Series Desktop Rack

(based on 1 review)

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Reviewed by 1 customer

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(2 of 3 customers found this review helpful)


Dont waste your money


from Dallas, Texas

About Me Experienced


  • Heavy Gauge Case
  • Internal Feed For Slots


  • Feeble Power Supply
  • Slot Assist Not Grounded

Best Uses

    Comments about Radial Engineering Workhorse - SixPack 500 Series Desktop Rack:

    Major disappointment. Had 2 500 units installed and worked OK. Added a third double wide tube unit and the box started browning out making the tube unit screech. The slot assist plate is a joke. It is uneven across the box making some 500 units not fit at all. Then, I found a ground loop in the unit. What was the solution? Removing the slot assist unit. Radial did not even bother grounding it properly. They should have removed the paint around the contact points at the very least. In all, had I not had to redrill holes to diddle with the slot assist plate, and then finally remove the plate, I would have returned this. Invest in an API lunchbox, they have a better power supply, and the 500 units actually fit well. You would think that would be a Radial design goal as well.

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