Grace Design Felix Instrument Preamp/Blender

2-channel Acoustic Instrument/Microphone Preamp with Blend Output Control and Ground-isolated DI Outputs
Grace Design Felix Instrument Preamp/Blender image 1
Grace Design Felix Instrument Preamp/Blender image 1
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Grace Design Felix Instrument Preamp/Blender
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An Audiophile Dual-channel Instrument Preamp

Get studio-quality sound at your next gig with the Grace Design Felix instrument preamplifier. Plug in two instruments, or one instrument and one microphone, and dial the perfect sound with separate EQ sections. The powerful EQ controls on the Felix allow you to sculpt the sound of any instrument to perfection. Other useful features include a dedicated tuner out, a boost function, headphone output, and more. If you want and instrument preamp with Grace Design's stunning audio performance and legendary reliability, then you need the Grace Design Felix instrument preamp.

Grace Design Felix Instrument Preamp at a Glance:
  • Create your ideal sound with this powerful EQ section
  • Variable input impedance for optimized tone
  • Rugged Grace construction
Create your ideal sound with this powerful EQ section

The versatile Felix preamp pedal lets you create your ideal signature sound via a powerful equalizer. Each channel's equalizer delivers a natural and musical tone at all frequencies. You get fixed low and high controls, a parametric midrange that covers everything from 65Hz to 6kHz, and a highpass filter that cuts 12dB per octave from 20Hz to 1kHz. The layout is simple and intuitive to use. The blend control lets you mix both channels together to create the perfect mix. It doesn't matter if you play guitar, bass, mandolin, fiddle, banjo, vocals, or anything else, the Grace Design Felix instrument preamp will let you dial in the perfect sound.

Variable input impedance for optimized tone

The instrument DI inputs of the Grace Design Felix is designed to accommodate a wide variety of high impedance input sources, making it an excellent choice as a DI box that will flawlessly preserve the sound of the instrument - imagine the same resolution and detail as Grace preamplifiers available for direct-inject recording situations. Choose from six impedances to precisely match your instrument's pickup for the best sound possible.

Rugged Grace construction

To top it off, the Grace Design Felix instrument/mic pre is completely rugged and road worthy, so discerning live performers can use the Felix to achieve studio quality sound with their live setups. The anodized aluminum and steel body will hold up to the rigors of the road. Equally at home amplifying a vintage condenser mic or an acoustic guitar, the Grace Design Felix delivers results previously available only to big budget studios and Grammy-winning engineers. Take it from the Sweetwater crew - The grace Design Felix instrument preamp will give you years of great performance.

Grace Design Felix Instrument Preamp Features:
  • 2-channel studio-grade instrument and mic preamp with a detailed and open sound
  • Blend control lets you mix your signals to perfection
  • Powerful EQ controls to sculpt your perfect sonic signature
  • Microphone preamp has no electrolytic capacitors in the signal path
  • Premium components used throughout for uncompromising sound and signal integrity
  • Boost function pushes your solo above the band
  • Dual DI outputs with selectable source and output level
  • Ultra-quiet signal path thanks to studio-quality power supply design and grounding
  • Dedicated tuner output
  • Each channel has input impedance settings for matching your pickup output
  • Fully-ground DI outputs with high-quality transformers
Get detailed and articulate studio sounds live with the Grace Design Felix Instrument Preamp!

Additional Media

Grace Design Felix Instrument Preamp Blender Pedal
Grace Design Felix Instrument Preamp/Blender Pedal Demo by Sweetwater

Tech Specs

Type Preamp
Form Factor Pedal
Inputs 1 x XLR, 2 x 1/4", 1 x 1/4" (Footswitch), 1 x 1/4" (Insert)
Outputs 2 x XLR, 1 x 1/4" (Amp Out), 1 x 1/4" (Tuner)
Height 3"
Width 9.5"
Depth 5.5"
Weight 3.2 lbs.
Manufacturer Part Number Felix

Customer Reviews

Based on 5 reviews
Write your review

Exceptional, The Best

I finally spent the dollars to get FELiX - And I am so glad I did. This is simply the most accurate, detailed, true, and exceptionally clear sounding Acoustic Instrument preamp I've ever used. I tour with several acoustic guitars ranging from standard tuned, to open tuned, and even a couple of baritone acoustics. This piece of gear solved all of my problems and allowed me to easily highlight all of the sweet spots. It's also built to withstand the rigors of the road and daily use. It's a high-end unit for professionals. If you're a VERY picky tone junkie like me, if you're always searching for that one thing to make it all better, If you can afford it and if you want your instruments to sound like they should sound, with plenty of bells and whistles to make connections, make adjustments, dial in EQ, numerous output options, and so much more... then buy this. Truly an incredible piece of gear and worth every penny. Judging by how it's performed so far on the road, I think I've found a 'friend" for my guitars that will last a lifetime. I'm looking forward to using FELiX in the studio soon. Bravo to Grace Design for a job well done! Revolutionary! :) (Great user manual, too!)
Music background: Professional

Detailed Control for Acoustic Musicians

The Felix DI/EQ/ Balance box gives remarkable control over sculpting and blending sound. I’m using Felix to blend voice and acoustic string instruments (guitar, cittern, bouzouki). The parametric EQ control provides detailed control over the sound. Felix’s ability to blend two channels is most helpful. It means I can send one signal line to the sound board without any need for EQ or balance there. My gigs are mostly with an acoustic trio. I do some solo work too. Flexi helps me get and maintain the sound I want within the trio and when I’m doing a solo gig. I can set up Felix’s controls and not worry about the sound quality. No continuous tweaking the sound board at the gig. I use both vocal and instrument wireless units to feed signal to Felix. That works great and keeps the wiring on stage to a minimum. The signal is clean as can be with Felix. I’m delighted I made the investment in Felix. Well worth it. Felix has improved the quality and reliability of my sound far beyond the unit’s price tag. Highly recommend it to acoustic musicians seeking detailed control over their sound. Perfect for a solo performer. Works well within a group too.
Music background: Performer, Composer Recording Engineer

Felix is pure Grace for the Acoustic

So I just plugged in my Jorge De Zofia A1F Cedar Top Flamenco with Carlos Juan Amplification VIP Vicente pickup using a cable from Gerald Rohm in to FELIX by Grace Design and all I can say is WOW just amazing and it sounds like my guitar louder, pure tone and clarity. No smearing of frequencies. I will also be using this with a DPA 4099G on my flamenco guitars. Best preamp I've ever used for nylon strings with a pickup. This is my tone. The clarity of what happens in this box is magic and pure, whatever your putting in (source) gets faithfully represented and not hyped, cut, squashed just preamplifid with clarity. It's really in my mind part of your instrument, not just some box on the pedal board or floor. I waited half a year to hear this and I'm so glad I did not go with some of the others out there. Blows away others I've used and I've used a few. Oh and I just ran Felix to powered 10in Speaker. Can't wait to set this up on a pedal board and use Felix with a QSC or Bose. Oh well back to "Just Playing" Thanks to TJ at Sweetwater for getting this out to me so quickly. Will gig with it this weekend.
Music background: Pro Musician

Grace Design Felix - great tool to have in arsenal for acoustic instruments

Construction solid. Features - excellent. Took me a while to figure out how to dial in everything (button for Mic/Line got me initially). Very clean signal. Low noise.

Grace design Felix preamp

I have a Jorge de Zofia maple hand made nylon string, with a Carlos Juan double VIP pick up. I have the Felix for about a month. This is the cream of the crop when it comes to acoustic Preamp blending. It has everything you can imagine. Phaze shifter, filter, EQ Boost Mute. It takes a bit of studying and working the knobs to get the sweet spot, but once you get it, it's the most natural sound you can get out of a nylon string.It's the best product for dual systems, or blending a pick up and a mic. Thanks to Shaka, my Sweetwater engineer for his advice, and explanation of the features. Great delivery also. There are two things that I wish Grace design had thought of. It doesn't have an on/off switch, and doesn't come with a case.Thus I gave it 4.5*. However, as far as, the function, and quality, I don't know of anything like this.5*. Amazing product.

Sweetwater Advice

See also: Acoustic Pedals, Grace Design, Grace Design Acoustic Guitar Effects, Grace Design Direct Boxes