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HEADRUSH FLEX PRIME User Manual
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HEADRUSH FLEX PRIME User Manual

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User Guide
English
Manual Version 4.0.0

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chris rodriguez
May 17, 2025

can you tap tempo delays on the headrush flex prime?

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Summary of Contents for HEADRUSH FLEX PRIME

  • Page 1 User Guide English Manual Version 4.0.0...
  • Page 2 (4.13) Looper ..........40 (3.1) Top Panel ..........5 (4.13.1) Additional Looper Settings ....42 (3.2) Rear Panel ..........6 (4.14) HeadRush Cloud ......43 (4.15) USB ........... 45 (4.0) Operation ........8 (4.15.1) Transferring Files & Settings ....45 (4.1) Main Screen .........
  • Page 3 (1.0) Introduction (1.1) Box Contents Flex Prime Power Adapter Quickstart Guide Safety & Warranty Manual (1.2) Support For the latest information about this product (documentation, technical specifications, system requirements, compatibility information, etc.) and product registration, visit headrushfx.com. For additional product support, visit support.headrushfx.com.
  • Page 4 (2.0) Setup Items not listed under (1.1) Introduction > Box Contents are sold separately. IMPORTANT! In the (4.18.2) Global Settings > Audio menu, make sure you set the Outputs to send signal at amp level if you are using a traditional guitar amplifier, or line level (default) if you are using a full-range flat-response amplifier, mixer, PA speaker or audio interface.
  • Page 5 (3.0) Features (3.1) Top Panel 1. Display This full-color multi-touch display shows information relevant to Flex Prime’s current operation. Touch the display (and use the hardware controls) to control the interface. See (4.1) Main Screen to learn how it works.
  • Page 6 Connect an optional audio source (e.g., smartphone, tablet, etc.) to this input using a 1/8” (3.5 mm) stereo cable. Important: The audio signal from the aux input is routed directly to the outputs of HeadRush Flex Prime without any modeling or effects applied, and cannot be used by the looper. It is also unaffected by the main volume...
  • Page 7 10. USB-B Port Connect this USB port to a computer using a standard USB cable. This connection allows Flex Prime to send and receive the digital audio signal to and from your computer. You can also use this connection to import or export rigs, block presets, setlists, loops, clones, and tracks for the practice tool.
  • Page 8 (4.0) Operation This chapter describes Flex Prime’s functions. (4.1) Main Screen (4.1.1) Overview Tap to open the (4.6) Hardware Assign page. Tap and drag this bar downward to view the Rig List screen. Double-tap to Tap to create Tap to view the Menu and access Tap to save rig.
  • Page 9 Tap the name of the rig on the screen and then tap the / buttons to move to the previous or next rig. • Press footswitches 1 and 2 (), or footswitches 2 and 3 () simultaneously when Flex Prime is in Stomp Mode.
  • Page 10 (4.1.3) Reverb/Delay Tail Spillover Flex Prime features two types of Reverb/Delay Tail Spillover: • If you have reverb and/or delay effect(s) active on your rig and then switch to a different rig, the effect(s) will continue to decay after switching to the second rig.
  • Page 11 • Firmware Update: Tap here to enter Firmware Update mode. This will allow you to update Flex Prime when new firmware is available, using either a USB connection to your computer or over-the-air via Wi-Fi.
  • Page 12 (4.3) Rigs When you are using Flex Prime, a rig is a preset: the combination of assigned blocks—the amps, cabs, IRs, clones, and effects—and the parameter settings of each of them. You can create, edit, save, and load rigs, making it easy to recall the perfect sound for each part of your performance.
  • Page 13 The signal path is the direction that the audio signal follows from your guitar, through your 14 available slots, and ends at the outputs of Flex Prime. You can easily reconfigure your signal path to best suit your needs, especially when it comes to creating more complex rigs.
  • Page 14 After adding blocks to a rig, you can use the touchscreen to arrange your selected blocks in any sequence, but you may find that some configurations will sound better than others. Here are some common block placement suggestions for creating great rigs with Flex Prime: •...
  • Page 15 (4.3.3) Stereo vs. Mono The outgoing signal from Flex Prime can be mono or stereo, depending on the blocks in your rig, the signal path, and which outputs you are using. An indicator near the end of the signal path indicates the current configuration.
  • Page 16 (4.3.4) Saving a Rig If you have made certain changes to a rig, you will see an asterisk () next to its name at the top of the screen, indicating that you have changed the rig in some way and may want to save it. You will see an asterisk if you have done any of the following: •...
  • Page 17 To save a rig while you are editing it, tap the Save icon in the upper-right corner. To save your changes to the current rig, tap Save. To save your changes as a new rig, tap Save New Rig, use the keyboard that appears to enter a name, and then tap Save.
  • Page 18 (4.3.6) Deleting a Rig To delete a Rig, tap and drag the bar below the Rig Name to show the list of rigs on your Flex Prime. Then, tap the  button next to the name of the rig you would like to delete, tap the trash can icon that appears, and then confirm that you would like to delete the rig.
  • Page 19 (4.4) Adjusting Settings To adjust the settings of a block in your rig, double-tap it to open its settings screen. You can adjust the settings of any block (amp, cab, IR, clone, or effect), the input (the In/Lock icon), the output (the Out icon), or mix (the Mix icon).
  • Page 20 (4.4.2) Parameters Listed below are some of the common parameters that you can adjust for each type of block. The block types include amps, cabs, IRs, clones, effects, input settings, output settings, and mix settings (if you are using a split signal path).
  • Page 21 Cab (HeadRush / Revalver) The Cab category is a list of popular guitar and bass amp cabinets, which contain the speakers. Flex Prime recreates not only the sound of the cabinet but also the type of microphone recording it.
  • Page 22 An Impulse Response (IR) is a popular alternative to traditional guitar cabinet models, typically stored as a .WAV file. Flex Prime includes over 300 Impulse Responses onboard; however, there are also many reputable third- party companies, producers, and artists that capture and distribute impulse responses that can be imported into Flex Prime.
  • Page 23 Effects There are many types of guitar and vocal effects available on Flex Prime, and their adjustable settings depend on the type of effect selected. Preset: This is the current effect preset, which includes the selected effect, all its settings, and its color assignment.
  • Page 24 These output settings control the signal sent to Flex Prime’s outputs: Preset: This is the current output preset, which includes all its settings. Output: This level meter indicates the current level of your output signal after the output controls shown on this screen.
  • Page 25 (4.4.3) Saving a Block Preset Tap the Save icon in the upper-right corner to save a block preset. To save your changes to the current preset, tap Save. To save your changes as a new preset, tap Save New Preset, use the keyboard that appears to enter a name, and then tap Save.
  • Page 26 (4.5) Footswitch Modes The three footswitches can be used to activate or bypass blocks (amps, cabs, impulse responses, or effects) as well as select scenes, rigs, or setlists. These footswitches are always in one of four modes: Stomp, Rig, Hybrid, or Setlist. To change the mode, hold footswitch 1, then: •...
  • Page 27 (4.5.3) Hybrid Mode The first footswitch can be assigned to activate/deactivate a block or to select a scene in the currently selected rig. To switch to the previous rig, press footswitch 2. To switch to the next rig, press footswitch 3. (4.5.4) Setlist Mode Footswitches 1-3 are used to navigate between setlists, saved collections of songs and rigs arranged in a customized order.
  • Page 28 Hardware Assign screen. The MIDI Prog field determines the MIDI program change number of the rig. Use the Prog Change setting in the Global Settings screen to determine whether Flex Prime can send and/or receive MIDI program change messages (see (4.18.6) Global Settings >...
  • Page 29 (4.6.1) Footswitches The three boxes in the lower-left corner represent the three footswitches of Flex Prime. You can assign any switch-based parameters (ones with only two states) to any of the footswitches—regardless of their location in the signal chain. You can also assign controls from the Looper, Metronome, and Practice Tool features to a footswitch within a rig for easier access.
  • Page 30 (4.6.2) Scenes The Scene feature allows you to turn multiple blocks on or off or change multiple presets for a block in each rig using one footswitch press. When you press the footswitch assigned to that scene, all blocks included in that scene will turn on or off, depending on how you assign them.
  • Page 31 Flex Prime’s internal expression pedal can control two parameters (in Classic Mode) or two sets of parameters (in Advanced Mode). Use the toe switch to switch between them—Expression Pedal A or B. To activate the toe switch, move the “toe end” of the expression pedal so it touches the Flex Prime, and then press down.
  • Page 32 To set the range of an assigned parameter: 1. If the Range button is not on, tap it. 2. Tap a value under the Range button. 3. Turn the encoder to set the desired value as a percentage of the parameter’s entire range.
  • Page 33 (4.7) Hands-Free Mode Hands-Free Mode enables you to adjust any of the settings on your blocks by using just the footswitches and expression pedal. To enter Hands-Free Mode, press and hold footswitch 1 to enter the mode select page, and then press and hold footswitch 1 again.
  • Page 34 (4.8) File Browser The File Browser is a handy tool for navigating your files and folders on Flex Prime’s internal storage. In addition to the internal storage, any USB storage devices connected to Flex Prime’s USB-A port will appear along the left side of this screen.
  • Page 35 (4.9) Setlists A setlist is a saved collection of songs and rigs arranged in a customized order. After being edited and saved, setlists can be loaded at a later time. This feature is useful if, for instance, you need only some of your rigs for a performance; in this case, you could save a setlist with only those rigs so that you don’t have to spend time searching through all of your rigs while performing.
  • Page 36 To create a setlist: 1. Tap + in the upper-right corner of the main setlist screen. 2. In the screen that appears, the left half is a list of all available rigs, and the right half is the list rigs in the setlist. •...
  • Page 37 (4.10) Practice Tool Flex Prime includes a convenient built-in Practice Tool that you can use to play along with songs from your Flex Prime’s internal storage, connected USB storage devices, or a linked Dropbox account. In addition to being able to play along with a song, you can also set loop points within a song, and use speed controls to slow it down to making learning the song easier, or use pitch controls to practice a song in different keys.
  • Page 38 The default and most common setting for a guitar tuner is 440 Hz. • Tempo: Tap this parameter to manually set the global tempo of Flex Prime using the main encoder. You can alternately set this tempo by tapping footswitch 2 (Tempo).
  • Page 39 (4.12) Metronome Flex Prime includes simple yet convenient built-in Metronome that you can use while practicing. To access the metronome, tap the Menu icon in the top left of the Main screen, and then tap the Metronome icon. The following parameters are available to be adjusted: •...
  • Page 40 (4.13) Looper Flex Prime has a built-in looper that you can use to layer your performances. While the looper’s operation is shown in the display, you can control most of it conveniently with the footswitches. Each loop can be up to 5 minutes long, with a maximum of 20 minutes of overdubbed audio at a time across a maximum of 50 layers.
  • Page 41 To halve or double the speed of the looper, use the Speed field. Tip: Use this to create low bass lines or ultra-high guitar parts that you couldn’t ordinarily play. To reverse looper playback, set the Playback field to Reverse. Tip: Create eerie effects by recording layers in reverse then switching back to normal playback.
  • Page 42 Metronome feature. Set this parameter to Off to desync the Looper tempo from the global tempo. • Global Tempo: Use this parameter to manually set the global tempo of Flex Prime using the main encoder. You can alternately set this tempo by using the tap tempo footswitch.
  • Page 43 To open HeadRush Cloud, tap the Menu icon in the top left of the Main screen, and then tap the Browser icon. The first time that you log into the HeadRush Cloud, a QR code will be shown on the screen along with a security code. Follow the directions on the screen to register for a free account.
  • Page 44 On the My Content tab, you can search your own uploaded content by using the search, sort, and filter features, the same as you can in the Browse tab. On the My Content tab, you can also delete content by tapping the rig or clone title to show the overlay, and then tapping the trash can icon at the top right.
  • Page 45 File corruption may occur if the drive is not properly ejected before continuing. 7. After the drive has been ejected, tap Sync on your Flex Prime to "commit" any changes you made to the contents of the HeadRush drive.
  • Page 46 (4.15.2) Recording When Flex Prime’s USB port is connected to your computer, you can select and use Flex Prime as a 24-bit audio interface, enabling you to play audio through it or to send its audio signal to the computer. It can use sample rates of 44.1 kHz, 48 kHz, or 96 kHz.
  • Page 47 Reamping is a process that adds the tone coloration of an amp to a pre-recorded audio signal—in this case, sending audio from your DAW through Flex Prime and then recording it back into your DAW. This is useful for saving time because you can change the sound of an already-recorded guitar track without having to manually play the same part again.
  • Page 48 1, and then press and hold footswitch 3 again. To customize the Screen Lock image, place a .png, .bmp, .jpg, or .jpeg file named LockScreenLogo in the root directory of the HeadRush drive while using the (4.15.1) Transferring Files and Setttings feature.
  • Page 49 (4.17) Global EQ The Global EQ screen lets you quickly apply additional equalization to all your presets without permanently saving them. These settings are especially useful when a venue, rehearsal space, or other environment has different acoustic characteristics than the room where you originally created your presets (e.g., the venue may sound “boomier,” or a rehearsal space with soundproofing may deaden some of the high end).
  • Page 50 Remaining Storage: This meter shows how much storage space is available in Flex Prime’s internal memory. If you want to increase the available memory, you can back up files to your computer or USB storage device and...
  • Page 51 When set to Rack, the output level will be line level, +18 dBu. Use this setting if you are connecting a rack effects processor in Flex Prime's FX-Loop. When set to Stomp, the output level will be +6 dBu. Use this setting if you are connecting a traditional guitar pedal (“stompbox”) in the FX-Loop.
  • Page 52 (4.18.4) Wi-Fi Flex Prime also features an integrated Wi-Fi connection, enabling you to connect your Flex Prime to a local network so that you can receive new firmware updates, use the HeadRush Cloud to download/share new rigs and clones, or access files from a Dropbox storage account when using the File Browser.
  • Page 53 • Live: The audio signal will be sent to your computer as well as to Flex Prime’s outputs. • DAW: The audio signal will be sent to your computer only. Flex Prime’s outputs will be disabled to prevent any latency while monitoring.
  • Page 54 Classic mode, and it will do nothing when the assignment is set to Advanced mode. (4.18.8) Info On this tab you can view Flex Prime’s current firmware and hardware versions, and access Flex Prime’s License information.
  • Page 55 (4.19) External MIDI Control Flex Prime can be controlled by incoming MIDI CC (control change) messages sent by external MIDI gear. This external MIDI gear must be connected to the 1/8” MIDI Input. If USB-MIDI gear is being connected to the USB-B port, it must be class compliant and require no software drivers to function.
  • Page 56 1. On Flex Prime, tap the Menu icon in the upper-left corner of the Main screen, and then tap Global Settings. 2. Select the Wi-Fi page on the left side of the screen, and ensure that the Flex Prime Wi-Fi is set to On, and then connect to your local network.
  • Page 57 Depending on the size or rotation of your screen, the rig list may be shown when initially loading the editor. If it is not shown, tap the icon shown above to open it. When the Rig List is opened on the left side of the screen, you can browse and edit rigs in your setlists. Select Close the Setlist.
  • Page 58 The Hardware Assign page functions just like the hardware version, where you can edit footswitch and expression pedal assignments, create and edit scenes, adjust LED colors, and more. (4.6) Hardware Assign to learn more about hardware assignments. Adjust MIDI program Adjust footswitch change number of the rig.
  • Page 59 (4.20.2) Setlist Click the Setlist icon to view the Setlists page. The left side of the screen shows the Rig List, with all factory and user-created rigs. The right side of the screen shows the rigs in the selected setlist. (4.9) Setlists to learn more about using setlists.
  • Page 60 (5.2) Trademarks & Licenses HeadRush is a trademark of inMusic Brands, Inc., registered in the U.S. and other countries. The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc., and any use of such marks by HeadRush is under license.
  • Page 61 RevA...
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