Important Safety Instructions 1. Read these instructions. 18. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits 2. Keep these instructions. are designed to provide reasonable protection against harmful interference 3.
Contents Important Safety Instructions ........2 Phones, Mon, Tape and Main Mix..... 15 Contents ..............3 32. Phones ..........15 Features ..............3 33. Aux Mon Master ........ 15 Introduction ............4 34. Tape Level .......... 15 How To Use This Manual ......... 4 35.
Introduction Getting Started The ProFX4v2 4-channel effects mixer provides The following steps will help you set up the ProFX4v2 a comprehensive live sound solution for singer / mixer quickly. songwriters and other low channel count applications. 1. Turn down all knobs except the channel EQ. Delivering unmatched sound quality, the ProFX4v2 2.
Hookup Diagrams This diagram shows an acoustic guitar plugged into the channel 1 line input with the line/hi-z switch engaged. A microphone is connected to the channel 2 XLR input for vocals and a keyboard is attached to the channel 3-4 line-level inputs. An iPod docking station is attached to the stereo tape inputs. Thump15 powered speakers are connected to the left and right main output.
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This diagram shows a Flying V plugged into a modeling device which is then connected to the channel 1 line input with the line/hi-z switch disengaged. [The modeling device is at line-level, not instrument]. A microphone is connected to the channel 2 XLR input for vocals and a drum machine is attached to the channel 3-4 line-level inputs.
ProFX4v2 Rear Panel Features 1. Power Connection 2. Power Switch Push the 2-pin female side of the power adaptor Press the top of this rocker switch inwards to turn on securely into the connector on the rear of the mixer. the mixer.
ProFX4v2 Front Panel Features Connections and Channel Strip Phantom Power Most modern professional condenser mics require The vertical channel strips look very similar 48V phantom power which lets the mixer send and have only a few differences between them. low-current DC voltage to the mic’s electronics Each channel works independently and just controls through the same wires that carry audio.
5. Line Inputs / Hi-Z Input (Channel 1 Only) 6. Stereo Line Inputs In addition to accepting balanced mic or line-level The stereo line inputs are designed for 1/4" TRS signals using an XLR connector, ProFX4v2 mixers balanced or 1/4" TS unbalanced signals. They may may also accept 1/4"...
8. Level Set LED 2-Band Equalization These LEDs are used with the gain control to set the The ProFX4v2 has 2-band equalization at carefully channel preamplifier gain just right for each source. selected points — low shelving at 80 Hz, and hi shelving at 12 kHz.
12. Aux Mon 14. Stereo Pan Switch (Ch. 1–2) These knobs tap a portion of each channel's signal to With this switch out, each mono channel feeds set up a nice monitor mix feeding stage monitors, both the left and right sides of the main mix equally. independent of the main mix.
Additional Inputs and Outputs 16. Mon Send Stage monitors allow the talented musicians in the band to hear themselves clearly on stage. This can be a good thing! The monitor mix may be carefully adjusted in level using the aux mon controls. These tap a portion of each channel's signal to provide a 1/4"...
Stereo Graphic EQ and Main Meters 21. Power LED 23. Stereo Graphic EQ This LED will illuminate green when the mixer is This 5-band graphic equalizer adjusts the main turned on, as a reminder of how on it really is. If it is mix output.
Internal FX 30. Internal FX 27. Preset Selector These knobs route the effects output to the mon Rotate this endless control to select one of the 16 and mains independently. Use the mon control preset effects. When the rotation stops, that preset to provide effects to monitors.
Phones, Mon, Tape and Main Mix 32. Phones As one might expect, this knob controls the level of the headphones. Make sure that this knob is fully off [counter-clockwise] when adding a new source. WARNING: The headphone amp is loud and can cause permanent hearing damage.
Appendix A: Service Information Noise If you think your mixer has a problem, please check out the following troubleshooting tips and do your best to confirm the problem. Visit the Support section of our • Turn the channel gains down, one by one. If the website (www.720trees.com) where you will find lots of sound disappears, it’s either that channel or useful information such as FAQs, documentation and...
Appendix B: Technical Information Specifications Noise Characteristics Equalization Equivalent Input Noise (EIN) ±15 dB @ 80 Hz (150 Ω Source Impedance, 20 Hz to 20 kHz) High ±15 dB @ 12 kHz Low Cut Filter 18 dB/octave @ 100 Hz Mic in to FX send, max gain –128 dBu Residual Output Noise ≤30 kHz...
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Specifications continued... Phantom Power 48 VDC to all Mic channels simultaneously Power Requirements Class I Hard-Wired Wall Wart 12VDC @ 1.5A Physical Dimensions and Weight Height 2.9 in / 73 mm Width 8.7 in / 220 mm Depth 10.1 in / 256 mm Weight 3.2 lb / 1.4 kg Options...
Appendix C: Table of Effects Presets No. Title Description Example of its use 01 Bright Room This room has a bright tone with lots of scattered Useful on vocals that require a brighter reverb to reflections to simulate harder, more reflective surfaces. cut through the mix, or for giving acoustic instruments a livelier vibe.
ProFX4v2 Series Limited Warranty Please keep your sales receipt in a safe place. This Limited Product Warranty (“Product Warranty”) is provided by LOUD Technologies Inc. (“LOUD”) and is applicable to products purchased in the United States or Canada through a LOUD-authorized reseller or dealer.
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16220 Wood-Red Road NE Woodinville, WA 98072 • USA Phone: 425.487.4333 Toll-free: 800.898.3211 Fax: 425.487.4337 www.720trees.com...