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®
Workhorse
Cube
™
™
500 Series Power Rack
True to the Music
User Guide
®
www.radialeng.com
Radial Engineering Ltd.
1845 Kingsway Ave., Port Coquitlam, BC V3C 1S9, Canada tel: 604-942-1001 • fax: 604-942-1010 [email protected] • www.radialeng.com
!
IMPORTANT SAFETY & USER NOTICE - FOR PROFESSIONAL USE
The Radial Workhorse Cube is specifically designed for use by qualified professional audio engineers. The open frame design is not intended for use by consumers or those unfamiliar with this format.
Even though the current and voltage levels are relatively low, we recommend that all slots be filled with a module or covers be placed over unfilled slots. This will help protect you from electrical shock.
The Cube™ rack frame is designed to be used with 500 series or what are commonly known as Lunchbox™ modules. The Workhorse has been designed following the framework as outlined by the VPR Alliance as described on the API™ website. Although some manufacturers build modules that are not VPR compliant, they may in fact work with the Cube.
Please consult those specific manufacturers for details regarding their compatibility. The Radial Workhorse Open Source Document outlines the required technical specifications for manufacturers that intend to have their modules used in a Workhorse or Cube frame. Compatibility of any modules other than a module made by Radial Engineering Ltd. is the sole responsibility of the user. Please read the Limited Radial Warranty for details. There are no replacement or user serviceable parts inside.
!
SAFETY NOTICE - NO HOT SWAPPING OF MODULES
Hot Swapping, or exchanging modules while the power is on is not covered under the Radial Limited Warranty. The user is responsible for any damage to the Workhorse Cube or module arising out of hot swapping and the user shall save Radial Engineering Ltd. harmless should any damage occur. Please consult the Radial Limited Warranty for further details.
Radial Workhorse Cube
500 Series Power Rack
™
Table of Contents Page
Feature set overview ........................................................................................................ 1
Introduction & basic functions........................................................................................... 3
Omniport ........................................................................................................................... 5
Power supply capacity ...................................................................................................... 6
Installing the Cube ........................................................................................................... 7
Signal flow and levels ...................................................................................................... 8
Using the Cube ............................................................................................................ 9-10
Radial Limited Warranty ...................................................................................Back Cover
Congratulations and thank you for purchasing the Radial Workhorse Cube, an innovative three module card frame designed to bring the excitement of the 500 series modular format to the desktop. This manual describes how to approach using The Cube and how to install modules. We recommend that you take a few minutes to read through it in order to familiarize yourself with the many innovative features that are built in.
To make the manual as easy to understand as possible, we have divided it into several sections.
It begins with an overview, then descriptions of each function, ending with some real world applications. Should you have any questions, comments or concerns not covered in these pages, we invite you to log onto the Radial web site at www.radialeng.com and visit the Cube
FAQ section. This is where we post the latest updates and answers from users. If you do not find what you need, feel free to send us an email at [email protected]
and we will do our best to answer your question as quickly as possible.
Now get ready to bring the fun & excitement of old school analog into your signal path.
®
FRONT PANEL FEATURE SET
True to the Music
1 2 3 4 5
1. THREE CARD SLOTS: B oth single and double wide 500 series modules will fit in the
Workhorse Cube.
2. CARD SLOT BACK PLANE: Modules can draw as much current as they need from a shared pool of 500mA through the card slot connector.
3. DC FILTER CAPS: On-board DC filtering provides additional power conditioning.
4. POWER SWITCH WITH LED: Used to turn the Cube on or off and provides visual power status for the +/- 16 volt module rails.
5. STEEL CASE: The Cube’s chassis is made from heavy 14 gauge steel to provide extra shielding against stray magnetic fields and RF.
Radial Engineering Ltd.
1 The Cube™ Power Rack
True to the Music
REAR PANEL FEATURE SET
®
6 7 8 9 10 11 12
6. 48 VOLT : On/off switch for phantom power. LED indicator will illuminate when active.
7. EXTERNAL POWER: High current external switching supply delivers 500mA to the card slots.
8. FEED FUNCTION: Lets you connect one module into the next to set up elaborate channel strips without having to hard patch modules using cables.
9. STEREO LINK: Makes it easy to pair up modules equipped with a stereo link function in a standard master-slave configuration.
10. OMNIPORT™: ¼" TRS connectors add functionality to enhance each module’s capability as set by the manufacturer.
11. BALANCED I/O: Follows original XLR I/O format and adds parallel ¼" TRS jacks for added connectivity and cross-patching.
12.
REMOVABLE HANDLE: Makes transporting the Cube more convenient around the studio. Can be removed for stacking.
Radial Engineering Ltd.
2 The Cube™ Power Rack
®
True to the Music
INTRODUCTION
The Cube is a three card-slot power frame designed for 500 series modules. Up to three modules may be used at any one time. The Cube routes the modules to the XLR and ¼" TRS connectors on the rear panel via a 15-pin card-edge receptacle. Radial modules and those that have been designed by other manufacturers to take advantage of the Workhorse’s extra
INPUT
FEED
INPUT
FEED
INPUT INPUT features will enjoy the added functionality of the Omniport INPUT
™ .
FEED
INPUT
CARD SLOT 3
INPUT
FEED
INPUT
CARD SLOT 1
FEED
INPUT
OFF OFF OFF OFF OFF OFF
OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
LINK LINK LINK LINK LINK LINK
OMNIPORT
3
CARD SLOT 3
OFF
OMNIPORT
2
CARD SLOT 2
OFF
OMNIPORT
1
CARD SLOT 1
OMNIPORT
3
CARD SLOT 3
OFF
OMNIPORT
2
CARD SLOT 2
OFF
OMNIPORT
1
CARD SLOT 1
OMNIPORT
3
CARD SLOT 3
OFF
OMNIPORT
2
CARD SLOT 2
OFF
OMNIPORT
1
CARD SLOT 1
OUTPUT
OFF
LINK
OUTPUT
OFF
LINK
OUTPUT OUTPUT
OFF
LINK
OUTPUT
OFF
LINK
OUTPUT OUTPUT
OFF
LINK
OUTPUT
OFF
LINK
OUTPUT
OMNIPORT
3
OUTPUT INPUT
OFF
2
OUTPUT
OMNIPORT
INPUT
OFF
1
OUTPUT INPUT
3
OUTPUT INPUT
OFF
2
OUTPUT
OMNIPORT
INPUT
OFF
1
OUTPUT INPUT
3
OUTPUT INPUT
OFF
2
OUTPUT
OMNIPORT
INPUT
OFF
1
OUTPUT
OMNIPORT
INPUT
SIGNAL FLOW
This flow chart shows the basic signal routing. The signal comes into the Cube via the rear panel XLR female or ¼" TRS inputs. Once the signal goes into a module it is processed and sent to the male XLR and parallel ¼" TRS output. From here the signal can be routed to the next adjacent module via the FEED switch connection as described in the next section.
CARD SLOT I/O CONNECTIONS
Each of the Cube card slots is equipped with XLR and ¼" TRS inputs and outputs. The input sensitivity will be dependant on the type of module being used. For instance if you are using a microphone preamplifier, the input will of course be suited for a low level microphone. If you are using a dynamic processor like a limiter or an EQ, then the input will usually be set to handle a professional +4dB balanced line-level signal.
CARD SLOT 3
INPUT
CARD SLOT 2
FEED
INPUT
CARD SLOT 1
FEED
INPUT
OUTPUT
OFF
LINK
OUTPUT
OFF
LINK
OUTPUT
3
OUTPUT
OMNIPORT
INPUT
OFF
2
OUTPUT
OMNIPORT
INPUT
OFF
1
OUTPUT
OMNIPORT
INPUT
Following 500 series convention, the XLR and TRS outputs usually produce a +4dB balanced line level signal that is able to feed a professional recording system or line level mixing console. Put simply, the input level is determined by the type of module being used while the output level will typically be a balanced +4dB line level signal. If you use ¼" mono cables you will unbalance the signal. This will reduce the level by about -6dB but everything will still remain completely functional. Simply adjust the levels to compensate.
Radial Engineering Ltd.
3 The Cube™ Power Rack
®
True to the Music
FEED SWITCH
As you delve further into the functionality of the 500 series, you will find that the modular format allows all kinds of connectivity options. With older 500 series racks, connections between modules were done using an XLR cable whereby the output from one module would plug into the input of another. The Cube simplifies the process by introducing a FEED switch on the rear panel. This connects the balanced output of one module to the adjacent module to the immediate left when viewing the rear panel.
INPUT
FEED
INPUT
FEED
INPUT INPUT
CARD SLOT 2
FEED
INPUT
CARD SLOT 1
FEED
INPUT
CARD SLOT 3
INPUT
CARD SLOT 2
FEED
INPUT
CARD SLOT 1
FEED
INPUT
SIGNAL
FLOW
OFF
LINK
OUTPUT
OFF
LINK
OUTPUT
OMNIPORT
3
CARD SLOT 3
3
OUTPUT
OUTPUT
INPUT
OFF
OMNIPORT
2
CARD SLOT 2
OFF
OMNIPORT
1
CARD SLOT 1
FEED
OFF OFF
LINK
OUTPUT OUTPUT
LINK
SIGNAL
OFF
2
OUTPUT
OMNIPORT
INPUT
1
OUTPUT
OMNIPORT
INPUT
OMNIPORT
3
CARD SLOT 3
3
OUTPUT
OUTPUT
INPUT
OFF
LINK
OUTPUT
OFF
LINK
OUTPUT
OFF
OMNIPORT
2
CARD SLOT 2
OFF
OMNIPORT
1
CARD SLOT 1
FEED
OMNIPORT
3
CARD SLOT 3
OFF OFF
LINK
OUTPUT
LINK
SIGNAL
OUTPUT
OFF
2
OUTPUT
OMNIPORT
INPUT
1
OUTPUT
OMNIPORT
INPUT
3
OUTPUT
OUTPUT
INPUT
OFF
LINK
OFF
OMNIPORT
2
CARD SLOT 2
OFF
LINK
OUTPUT
OFF
OUTPUT
LINK
SIGNAL
FLOW
OUTPUT
OMNIPORT
1
CARD SLOT 1
OFF
LINK
OUTPUT
OFF
2
OUTPUT
OMNIPORT
INPUT
OFF
1
OUTPUT
OMNIPORT
INPUT
The FEED switch allows you to daisy chain a series of adjacent modules making it easy to create a customized channel strip whereby a mic preamp feeds an EQ which in turn could feed a compressor. Changing the order is simply a matter of relocating the modules or patching using an XLR cable. The UP position turns the FEED connection on.
The ¼" TRS connectors are also great for cross-patching between modules. Think of it like a patchbay. Simply take the output from one, feed it into another and then jump back. This opens many creative options and loads more fun.
STEREO LINK SWITCH
Card-slots one and two are equipped with a LINK switch. The LINK function allows modules that are ‘stereo ready’ to be linked together. A typical example would be using two limiters on a stereo track where you want the dynamics to be the same for both channels.
FEED FEED
INPUT
FEED
CARD SLOT 1
INPUT
FEED
CARD SLOT 3
INPUT
OUTPUT
FEED
LINK
INPUT
OUTPUT
OFF
CARD SLOT 1
FEED
LINK
INPUT
OUTPUT
3
OUTPUT
3
OFF
OFF
OFF
OFF
OUTPUT
OMNIPORT LINK
2
OUTPUT
OMNIPORT LINK
OUTPUT
OMNIPORT
INPUT
OFF
OUTPUT INPUT
OFF
OUTPUT INPUT
CARD-SLOTS 1 & 2 LINKED FOR
2 1
OUTPUT INPUT OUTPUT INPUT OUTPUT INPUT
CARD SLOT 3
INPUT
OUTPUT
OFF
CARD SLOT 2
FEED
LINK
INPUT
OUTPUT
OFF
CARD SLOT 1
FEED
LINK
INPUT
OUTPUT
3
OUTPUT
3
OFF
OFF
OFF
OFF
OUTPUT
OMNIPORT LINK
OUTPUT
OMNIPORT LINK
1
OUTPUT
OMNIPORT
INPUT
OFF
OUTPUT INPUT
OFF
OUTPUT INPUT
CARD-SLOTS 2 & 3 LINKED FOR
2 1
OUTPUT INPUT OUTPUT INPUT OUTPUT INPUT
Radial Engineering Ltd.
4 The Cube™ Power Rack
®
True to the Music
OMNIPORT
Omniport™ is a special ¼" TRS jack located on the rear panel that has been left ‘open’ to allow the module to perform a unique task. In other words, depending on the type of module, the manufacturer can assign the Omniport to perform a function that may be most appropriate. This could be a key input on a gate, a TRS insert or maybe a buffered output.
As the Omniport function is determined by the module, you will need to consult the module manufacturer’s specification for details on how it was designed to be used.
SETTING UP THE CUBE
For desktop use, four rubber feet are included in the packaging. To install the rubber feet, turn the Cube upside down and insert into the four open holes on the bottom.
The Cube also comes with a convenient carry handle that makes it easier to move the Cube around the studio. You will find Phillips screws in the package with the handle for mounting.
Leave the handle off if you want to stack stuff on top.
INSTALLING MODULES IN THE CUBE
When making any electrical connection, it is always safer to do so with the power disconnected.
The Cube’s internal power circuit is equipped with protective measures intended to provide a margin of safety should a module exchange be performed with the power on. However, the
Cube is not designed to allow repeated insertion and removal of modules while the power supply is active. Always power off the Cube before exchanging modules.
Radial Engineering Ltd.
5 The Cube™ Power Rack
®
True to the Music
POWER SUPPLY
The Cube employs an external power supply that will automatically convert the various voltages used around the world and regulate them before sending the power to the Cube.
A standard male IEC/EIN power input connector makes it easy to travel as you need only change the cable to suit the local power connector type. The connection between the power supply is a 4-pin locking XLR.
As soon as you connect the Cube, a rear panel LED will illuminate to let you know the power supply is active. A front-panel power switch and LED indicator will illuminate when turned on. An additional rear panel LED indicator monitors the 48V phantom power supply when it is switched on. Turning phantom power on or off is global and applied to all card slots. For modules such as dynamic processors or EQs that do not use phantom power the module simply ignores the phantom power as if it were not there.
POWER SHARING
The Cube’s power supply produces 500 milliamps (mA) of current that is shared between the card slots. So for instance, if you have a power-hungry tube preamp in slot 1 that requires
250 milliamps of current, you still have 250 milliamps of current left to power the other two card slots. Considering most 500 series modules use between 40 and 130 milliamps of current, it is unlikely you will ever exceed the Cube’s available power.
Example A:
Slot-1 Radial PowerTube tube preamp
Slot-2 Radial Q3 induction coil EQ
Slot-3 Radial Komit compressor
Draw: 235mA
Draw: 25mA
Draw: 130mA
Total Current Draw: 390mA (110mA to spare!)
Example B:
Slot-1 Radial PowerPre preamp
Slot-2 Radial Q3 induction coil EQ
Slot-3 Radial Komit compressor
Draw: 130mA
Draw: 25mA
Draw: 130mA
Total Current Draw: 295mA (205mA to spare!)
Note: The original API™ spec calls for an average of 130mA for each slot. The Cube exceeds this with a total of 500mA or 166mA when current draw is divided equally between the three card slots.
Radial Engineering Ltd.
6 The Cube™ Power Rack
®
True to the Music
SIGNAL FLOW AND LEVELS
Because the Cube is modular, it can accept a multitude of different devices into it’s card slots.
This also means that you need to understand the signal flow so that you can be sure what you want to do will work. In the world of audio there are basically four low level signal groups to contend with before you get to high power output levels such as those produced by power amplifiers to drive loudspeakers.
+4dB
0dB
-10dB
NOMINAL
-20dB
WORKHORSE MIX BUS 3
ACOUSTIC 2
MIXER 4
-50dB MIC / DI 1
1. MIC LEVEL RANGE: Microphones and direct boxes produce the weakest signals. These typically range from -60dB to -40dB depending on type. Some such as ribbon microphones can be as low as -70dB while condenser mics will generally be at the top end of this range.
With a Cube, one would connect a microphone to a preamp like the PowerPre™. This would
MIC / DI MIX-BUS MAIN RECORD
-50dB
PREAMP
+4dB
DIRECT OUT
-10dB
BUS
-10dB
2. INSTRUMENT LEVEL RANGE: The output levels produced by instruments can range widely. A modules like the JDV™ amplify the signal to produce a +4dB signal level at the XLR output for direct recording. +4dB -10dB
BUS
-10dB
BUS
-10dB
BUS
RECORD
3. UNBALANCED -10dB LINE LEVEL RANGE: Unbalanced outputs from CD players, keyboards, mixers and home hi-fi components are usually specified at -10dB and are often referred to as consumer line-level. These connect to a mic preamp. If too loud, one simply engages a pad.
4. BALANCED +4dB LINE LEVEL RANGE: This is the professional line level that comes from a recording system and is normally the level that goes in and out of EQs and compressors so most 500 series modules employ a +4dB signal level.
Matching the output level of one device to the input of the next will help you avoid distortion and maximize signal-to-noise. For instance, using a +4dB output to drive a -10dB input could overload the input and cause distortion. Conversely, a -10dB output may not have enough gain to drive the input of a +4dB device resulting in a higher noise floor.
Because each of the Cube slots is equipped with a balanced line level input and a balanced line level direct output (depending on the module), you are pretty much free to interconnect modules or route signals to other devices using standard XLR patch cables. Once you start working with the Cube you will quickly come to understand all of the capabilities and how easy it is to use.
Radial Engineering Ltd.
8 The Cube™ Power Rack
®
True to the Music
USING THE CUBE
Because the Cube is a modular frame, there are practically no limits as to what kind of signal chain you can create. For instance, it can be loaded with Radial modules set up for analog effects routing for your workstation, a customized channel strip, an instrument preamp for live recording or as part of a play-back and overdub system.
1
PAN PAN
LEVEL
PAN
LEVEL
PAN
As with all electronic equipment, turn off the power and turn down levels before making
LEVEL
2 3 4
MAIN connections. This will avoid the loud on-off transient that can damage equipment or blow speakers. Plugging in a module is merely a matter of sliding it into the Cube and carefully aligning the 15-pin card edge connector. Once plugged in, secure the module in place using the supplied Phillips screws. After the module is connected, it will automatically route the signal from the rear panel connectors to and from the module.
7 8
48V PHANTOM
+16V / -16V
LEVEL LEVEL LEVEL
LEFT
LEFT
INSERT
MAIN
OUT
1/4” TRS - TIP SEND / RING RETURN
Simple XLR I/O
The first step in approaching the Cube is going back to the original Lunchbox™. This device was basically a steel enclosure that fed power to a number of modules.
Connecting to and from modules was done using the
FEED FEED FEED FEED XLR connector that was associated with each card
CARD SLOT 3
FEED
INPUT
FROM
MODULE TO
NEXT DEVICE
CARD SLOT 2
FEED
INPUT
MONO
Made in Canada
CARD SLOT 1
FEED
INPUT slot. The Cube retains all of this connectivity while adding the convenience of ¼" TRS connectors.
RIGHT
OUTPUT
OFF
LINK
OUTPUT
OFF
OUTPUT
OFF
LINK
OUTPUT
MON
OUT
LEFT
OUT
IN
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
+48VDC
1
2
EXPANSION
BUSS
3
4
5
+18VDC
+18VDC
COM
Setting Up A Channel Strip
RIGHT
OUT
IN
8
OUTPUT INPUT
7
OUTPUT INPUT
6
OUTPUT
OMNIPORT
INPUT
OFF
5
OUTPUT
OMNIPORT
INPUT
4
OUTPUT
OMNIPORT
INPUT OUTPUT vocal track, you may want to run a mic preamp into an
OFF
The next stage is using several modules together to
OMNIPORT
INPUT
CHASSIS
EQ to add some presence and then into a compressorlimiter so that the track stays out of the ‘red’.
MAIN
PIN DIAGRAM - PANEL VIEW
G
+
G
+
G
3
+
G
+
G
+
G
+
G
+
G
+
4
LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL
2
OUTPUT
PAN
OMNIPORT
INPUT
ON
OFF
1
OUTPUT
MAIN
INPUTS 1 ~ 8
OMNIPORT
INPUT
FROM
SOURCE TO
MODULE
Using the old system, you would connect the microphone to the mic preamp using a standard
XLR cable. The mic preamp output would then connect to the EQ which in turn would connect to the limiter. The direct XLR output from the limiter would then be sent to the recording system.
LEVEL
PAN
LEVEL LEVEL
8
PAN
5
+16V / -16V
LEVEL LEVEL
7
PAN
LEVEL
8 5
+16V / -16V
LEVEL
6
PAN
LEVEL
7
LEVEL
8
PAN
48V PHANTOM
+16V / -16V
MONO MONO MONO
WORKHORSE RACK & MIXER
LEFT
LEFT
MAIN
OUT
INSERT
1/4” TRS - TIP SEND / RING RETURN
INSERT
MON
OUT
LEFT
OUT
IN
EXPANSION
BUSS
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
1
2
3
4
+48VDC
+18VDC
5
+18VDC
COM
RIGHT
OUT
IN
CHASSIS CIRCUIT
GROUND
Made in Canada Made in Canada Made in Canada
CARD SLOT 8
INPUT
FEED
CARD SLOT 7
INPUT
MAIN
OUT
OFF OFF
INPUT
CARD SLOT 8
MAIN
OUT
OFF OFF OFF
INSERT
MON
OUT
LINK
OFF
OUTPUT
LINK
MON
OUTPUT
LINK
OFF
IN
LEFT
OUT
8
EXPANSION
BUSS
OUTPUT INPUT
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
+48VDC
1
2
3
4
5
+18VDC
+18VDC
COM
7
OUTPUT
OUT
IN
INPUT
CHASSIS CIRCUIT
SUMMING MIXER INPUTS 1 ~ 8
6
IN
OUT
8
EXPANSION
5 BUSS 7
IN
OUTPUT
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
+48VDC
1
2
3
4
5
+18VDC
+18VDC
COM
Radial Engineering Ltd.
Made in Canada
CHASSIS CIRCUIT
GROUND
RIGHT
OFF
OUTPUT
RIGHT
OMNIPORT
6
CARD SLOT 8
INPUT
OFF
OUTPUT
LINK
OFF
OMNIPORT
8 3
OUTPUT
OFF
OUTPUT
LINK
OFF
5
INPUT
CARD SLOT 7
FEED
INPUT
OUTPUT
LINK
OFF
OMNIPORT
OUTPUT
4
INPUT
G
-
1
G
2
G
3
+
G 4
G
5
+
G
6
+
G
-
7
+
G
8
+
SUMMING MIXER INPUTS 1 ~ 8
OFF
CARD SLOT 6
FEED
INPUT
OFF
OUTPUT
LINK
OUTPUT
LINK
OFF
OMNIPORT
6 1
OUTPUT
OFF
3
INPUT
OFF
OUTPUT
LINK
OUTPUT
OFF
OMNIPORT
5
OMNIPORT
2
13 -
1
+
G
2
+
G
-
3
+
G 4
+
G
5
G
6
+
G
-
7
+
G
8
+
PATCH
CABLE
OFF OFF
CARD SLOT 4
OUTPUT
OFF
OUTPUT
LINK
OFF
OUTPUT
LINK
INPUT
OUTPUT
OFF
OMNIPORT
4
OMNIPORT
1
OFF
OMNIPORT
3
OMNIPORT
INPUT
13
G
-
1
+
G
2
+
G
3
+
G 4
+
G
-
5
+
G
6
+
G
-
7
+
G
8
+
PATCH
CABLE
FEED
INPUT
OFF
OUTPUT
2
OUTPUT
OMNIPORT
INPUT
CARD SLOT 1
FEED
INPUT
OFF
LINK
OUTPUT
OFF
1
OUTPUT
OMNIPORT
INPUT
MIC PREAMP
INPUTS 1 ~ 8
Radial Engineering Ltd.
9 The Cube™ Power Rack
®
True to the Music
1
PAN PAN PAN PAN PAN
MAIN
PAN PAN PAN
1
PAN
MAIN
2
PAN
LEVEL
3
PAN
LEVEL
4
PAN
MAIN The Cube simplifies the process with a FEED switch that replaces inter-module patch cables.
LEVEL
2
LEVEL
3
LEVEL
4 1 2
LEVEL
3
LEVEL
4
ON routes the signal to the adjoining module’s input. When engaged, the FEED function sends the signal to the next module working from left to right (front view). Because the FEED function is tied to the XLR connector, it will work with new Radial modules and older 500 series modules.
LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL
8
48V PHANTOM
+16V / -16V
MONO MONO MONO
WORKHORSE RACK & MIXER
LEFT
MAIN
OUT
INSERT
1/4” TRS - TIP SEND / RING RETURN
INSERT
LEFT
MON
OUT
EXPANSION
BUSS
LEFT
OUT
IN
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
1
2
3
4
+48VDC
+18VDC
5
+18VDC
COM
RIGHT
OUT
IN
CHASSIS CIRCUIT
GROUND
Made in Canada Made in Canada Made in Canada
CARD SLOT 8
INPUT
CARD SLOT 7
INPUT
FEED
RIGHT
CARD SLOT 6
FEED
INPUT
CARD SLOT 8
INPUT
FEED
INPUT
FEED
MAIN
OUT
OFF OFF
MAIN
OUT
OFF OFF
INPUT
FEED
RIGHT INPUT
FEED
OFF OFF
CARD SLOT 8
INPUT
FEED
INPUT
FEED
OFF OFF
CARD SLOT 7
INPUT
FEED
INPUT
FEED
OFF
CARD SLOT 6
INPUT
FEED
INPUT
FEED
OFF
INPUT
FEED
OFF
FEED
INPUT
FEED
OFF
CARD SLOT 4
INPUT
FEED
INPUT
FEED
OFF OFF
INPUT
FEED
OFF
INPUT
FEED
CARD SLOT 2
INPUT
FEED
OFF
CARD SLOT 1
INPUT
FEED
OFF
INSERT
MON
OUT
LINK
OUTPUT
LINK
MON
OUTPUT
LINK
OFF OFF
IN
LEFT
OUT
8
EXPANSION
BUSS
OUTPUT INPUT
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
+48VDC
1
2
3
4
5
+18VDC
+18VDC
COM
7
OUTPUT
CHASSIS
OMNIPORT
OUT
IN
INPUT
CIRCUIT
SUMMING MIXER INPUTS 1 ~ 8
6
IN
OUT
8
EXPANSION
5 BUSS 7
IN
RIGHT
4
OUTPUT
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
+48VDC
1
2
3
4
5
+18VDC
+18VDC
COM
Radial Engineering Ltd.
Made in Canada
CHASSIS CIRCUIT
GROUND
OUTPUT
RIGHT
OUTPUT
LINK
OFF
OMNIPORT
6
OMNIPORT
8 3
OUTPUT
OUTPUT
LINK
OFF
5
INPUT
OUTPUT
LINK
OFF
OMNIPORT
7
OUTPUT
4
INPUT
OUTPUT
LINK
OFF
OMNIPORT
6 1
OUTPUT
OUTPUT
LINK
OFF
3
INPUT
OUTPUT
LINK
OFF
Radial Engineering Ltd.
G
1
G
2
G
3
+
G
4
G
5
+
G
6
+
G
7
+
G
8
+
SUMMING MIXER INPUTS 1 ~ 8
1
PAN
2
PAN
COMPRESSOR
+
G
-
7
+
G
8
+
3
PAN
4
PAN
1
PAN
OUTPUT
OMNIPORT
5
OMNIPORT
2
2
PAN
OUTPUT
3
PAN
OUTPUT
LINK
OFF
OMNIPORT
4
OMNIPORT
1
4
PAN
OUTPUT
LINK
OFF
OUTPUT
OMNIPORT
3
OMNIPORT
1
PAN
INPUT
EQUALIZER
5
+
G
6
+
G
-
+
G
8
+
2
PAN
OUTPUT
2
OUTPUT
OMNIPORT
INPUT
LINK
OFF
1
OUTPUT
OUTPUT
OMNIPORT
INPUT
3
PAN
MIC PREAMP
INPUTS 1 ~ 8
4
PAN
MAIN
Once you get started, you will soon find all kinds of new and exciting ways to patch modules.
You could, for instance, use the feed switch to connect one module into the next while using a TRS cable to simultaneously patch the signal to the third card-slot. The image below shows how this is done. The mic signal has been split into two signal paths that can be processed separately.
LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL
8
48V PHANTOM
+16V / -16V
MONO MONO MONO
Made in Canada Made in Canada Made in Canada
LEFT
LEFT
WORKHORSE RACK & MIXER
INSERT
MAIN
OUT
1/4” TRS - TIP SEND / RING RETURN
MON
OUT
INSERT INSERT
CARD SLOT 8
INPUT
CARD SLOT 7
FEED
LEFT
WORKHORSE RACK & MIXER
FEED FEED FEED
MAIN
OUT
MAIN
OUT
OFF OFF OFF OFF
MON
OUT
INSERT
LINK
OFF
1/4” TRS - TIP SEND / RING RETURN
INSERT
LINK LINK
MON
OUT
OFF OFF
RIGHT
FEED FEED
CARD SLOT 8
INPUT
FEED FEED
CARD SLOT 7 CARD SLOT 6
INPUT
FEED FEED
CARD SLOT 3
INPUT
FEED FEED
INPUT
RIGHT
OFF OFF OFF OFF OFF
OUTPUT
LINK LINK LINK
OFF OFF OFF
OUTPUT
OFF OFF OFF OFF OFF OFF
OUTPUT
LINK LINK LINK
OFF OFF OFF
OUTPUT
OMNIPORT
OFF OFF
LEFT
OUT
IN
EXPANSION
BUSS
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
COM
+48VDC
1
2
3
4
5
+18VDC
+18VDC
COM
RIGHT
OUT
IN
CHASSIS CIRCUIT
GROUND
LEFT
OUT
IN
8
EXPANSION
BUSS 7
RIGHT
IN
OUT
IN
OUT
6 8
EXPANSION
BUSS 5
RIGHT
7
OUT
OUTPUT
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
+18VDC COM
1
2
3
4
5
+48VDC
+18VDC
COM
INPUT
CHASSIS
OUTPUT
CIRCUIT
INPUT OUTPUT INPUT
SPLIT VOLTAGE POWER SUPPLY
POWER SUPPLY
+18VDC COM
1
2
3
4
5
+48VDC
+18VDC
COM
SUMMING MIXER INPUTS 1 ~ 8
OUTPUT INPUT
Radial Engineering Ltd.
Made in Canada
CHASSIS CIRCUIT
GROUND
4 6 8
OMNIPORT
3 5 7
OUTPUT INPUT
OMNIPORT
2 4 6
OUTPUT INPUT
Radial Engineering Ltd.
Made in Canada
PIN DIAGRAM - PANEL VIEW
13
G
-
+
G
2
+
G
-
+
G
4 -
+
G
-
5
+
G
6
+
G
-
+
G
8
+
OMNIPORT
1 3 5
OUTPUT INPUT
INPUTS 1 ~ 8
OUTPUT INPUT
2 4
DIRECT OUT 1 ~ 8
OFF OFF
LINK LINK
OFF OFF
1 3
EQUALIZER
+
INPUTS 1 ~ 8
OFF
OUTPUT
2
OUTPUT
OMNIPORT
INPUT
CARD SLOT 1
INPUT
FEED
OFF
LINK
OFF
OUTPUT
1
OUTPUT
OMNIPORT
INPUT
MIC PREAMP
INPUTS 1 ~ 8
Radial Engineering Ltd.
10 The Cube™ Power Rack
NOTES
NOTES
NOTES
THREE YEAR TRANSFERABLE LIMITED WARRANTY
RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and workmanship and will remedy any such defects free of charge according to the terms of this warranty. Radial will repair or replace (at its option) any defective component(s) of this product
(excluding finish and wear and tear on components under normal use) for a period of three (3) years from the original date of purchase. In the event that a particular product is no longer available, Radial reserves the right to replace the product with a similar product of equal or greater value. In the unlikely event that a defect is uncovered, please call 604-942-1001 or email [email protected] to obtain an RA number (Return Authorization number) before the 3 year warranty period expires. The product must be returned prepaid in the original shipping container (or equivalent) to Radial or to an authorized Radial repair center and you must assume the risk of loss or damage. A copy of the original invoice showing date of purchase and the dealer name must accompany any request for work to be performed under this limited and transferable warranty. This warranty shall not apply if the product has been damaged due to abuse, misuse, misapplication, accident or as a result of service or modification by any other than an authorized Radial repair center.
THERE ARE NO EXPRESSED WARRANTIES OTHER THAN THOSE
ON THE FACE HEREOF AND DESCRIBED ABOVE. NO WARRANTIES
WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMIT -
ED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FIT -
NESS FOR A PARTICULAR PURPOSE SHALL EXTEND BEYOND THE
RESPECTIVE WARRANTY PERIOD DESCRIBED ABOVE OF THREE
YEARS. RADIAL SHALL NOT BE RESPONSIBLE OR LIABLE FOR ANY
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSS
ARISING FROM THE USE OF THIS PRODUCT. THIS WARRANTY
GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE
OTHER RIGHTS, WHICH MAY VARY DEPENDING ON WHERE YOU
LIVE AND WHERE THE PRODUCT WAS PURCHASED.
Radial Engineering Ltd.
1845 Kingsway Ave., Port Coquitlam, BC V3C 1S9, Canada tel: 604-942-1001 • fax: 604-942-1010 [email protected] • www.radialeng.com
Radial Workhorse™ Cube™ User Guide - Part # R870 1260 10 / 08-2021
Copyright © 2020 Radial Engineering Ltd. Specifications and appearance are subject to change without notice.
True to the Music
www.radialeng.com
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Frequently Answers and Questions
What are the key features of the Radial Engineering CUBE?
How many modules can be used in the CUBE at once?
What is the purpose of the Omniport?
How does the Feed function work?
How do I connect the CUBE to my recording system?
What is the output level of the CUBE?
Can I use mono cables with the CUBE?
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