

Nu Series v2
The Nu Series Modular Active Pickups are hacker friendly, general purpose pickups that can be used in a variety of applications.

Nexus v2
The Nexus is a small, flexible, and hacker friendly breakout box that connects your multichannel guitar to the outside world.


It always bothers me when I see ugly, unmaintainable MCU code, which seems to be prevalent in the embedded programming world. Everywhere I look, I

We now offer free shipping on all Nu products including the Nu Capsules and Nu Multis as a small token of appreciation for your support.

Last time, I posted a short demo of Infinity at v0.8. Working hard to completion, we’re now at v0.91. Here are some of the latest

Another milestone… The Ascend VPU plugin, the virtual pickups software I’ve been working on, is now at v0.9. Soon, we will be in beta. By

I’m glad to announce that we now officially have the Nu Multi Acoustic as standard in our online store. We’ve already worked on a few

I love Ibanez Jems. I have two. Well, actually I got one, more than 10 years ago, but my wife loves Steve Vai so much

Playing around with Infinity, now at v0.8… Nu-6 plus Infinity drivers set at level 0.5 (max 1.0). Clean, with a bit of EQ, compression and

I owe Just Dominik some CAD drawings. He asked me if I can share the Alpha designs. It’s a Neck-Through design using Bamboo and Carbon-Fiber.

Update: Renamed the library to avoid the name Clash with QNX Photon. Let me tell you a bit about Elements… From my previous post about

Allow me to introduce Ascend. As mentioned in my previous post, the Infinity project spun off into two parts. The hardware part will keep the

The Infinity project is my holy grail. If you just tuned in recently, you might ask what is that? Well, In a nutshell: “Polyphonic sustain,

We recently uncovered a stash of fresh XRs. I thought it would be nice to make some Nu-XR Combos, for the Nu v2. So consider

In the past few years, our Facebook Group has served us well and continually do so. It’s a nice forum, easily accessible if you are

I must have stirred controversy in my previous post. Take the comments from this thread for example: The future of DSP?. I almost wanted to

GPU DSP — When You Can’t Have Enough Cores
The writing is on the wall. I said it before, I’ll say it again: The dedicated DSP processor will become obsolete. I’m being modest, actually.

Look, we have a few of these All-Black Nu V2 Multi. What do you think? It’s the same Nu Multi like before, but with a black

Update: Oh, and in addition to the Academic Discount just announced, we are also now offering the Nu Multi Basic set (less $40) for hackers

Research is a crucial part of Cycfi. There’s this incessant desire to learn and keep abreast with the latest technologies, and we are all aware

Announcing the release of the Q Audio DSP Library v0.9 beta: https://github.com/cycfi/Q Q is a cross-platform C++ library for Audio Digital Signal Processing. Aptly named

One of the most frequently asked questions is how to connect the Nu Multi to Roland gear. There are many ways to do it, from

Meredith – Basic Nu Multichannel Setup
There’s this discussion in the Cycfi Facebook group about creating a set of videos and demonstrations on “benefits of independent string processing”. I intend to do

Here’s something nice to start the New Year from Fabio Mittino. The guitar is a Cristian Mirabella archtop equipped with a swappable pickguard loaded with a special

Visualizing the Fourier Transform
I’ve always been fascinated with the Fourier Transform, even at a very young age. I’m also a very visual person and I always think graphically. I

My holy grail… It’s been on the back burner for far too long since after its inception in 2014, giving priority to other projects such as the

A picture paints a thousand words… After more than a year in development, starting from my post about this new breed of pickups, here now

We’ve already worked on a few projects before, using Nu on the acoustic guitar. For such purposes, it makes sense to mount the Nu near

Øivind’s 9 string Strandberg is undergoing continuous evolution. Thankfully, he’s adventurous enough to be on the “Bleeding Edge”, so to speak, and patient enough to

So, it’s been a common question: Will there be a Nu v2 combo like the Nu-XR combo we had before? Well, I’m sorry but it won’t

This is probably the easiest way to wire up a Nu system! How much simpler can it be? This one is for a custom 4-string

We’re always ready to take your Nu Multi Custom orders. Check out the pictures below for some examples. How to proceed: See our standard configurations table below.

Here are more pictures of Meredith. Two words come to mind: elegant simplicity. But hey, that’s a multichannel guitar and she rocks!

Meet Meredith, our first reference design. She’s a heavily customized Fender Stratocaster (with Grover locking tuners, passive pickups: Di-Marzio Chopper neck, EMG passive bridge and

Nu Multi for Bowed Instruments
Busy, busy, busy… Yesterday, I presented a scheme for the skewed Multiscale Nu Multi. Today, I’d like to present a scheme for Bowed instruments. I’m getting

It seems we’ll be making more custom Nu Multis. There are a few in the pipeline. Here’s a 3D rendering of a custom Nu Multi

halldorophones Here’s a very interesting musical instrument. A project of Halldór Úlfarsson, the halldorophone utilizes feedback to generate harmonically rich drones from six strings, with

I take pride in giving attention to the finest details, to the point of obsession. All our projects are accompanied by well presented documentation. Hey,

If I didn’t know any better, I’d say this was a 3D rendering. Look at that clean, sleek lines! I’m very proud to say we’ve

Previously, I introduced the Tone Block, a passive second-order (two-pole) resonant RLC filter with variable frequency and Q (resonance). It’s a simple and economical alternative to our Resonant Filter —

Good day Y’all. I’m so proud to finally release the complete family of the Nu v2 along with the Nexus v2! We worked so hard on

Overview The Tone Block is a passive second-order (two-pole) resonant RLC filter with variable frequency and Q (resonance). It’s a simple and economical alternative to our Resonant Filter,

I’ve been wrestling with noise since the early days of the 6 pack project from whence the Nu project began. It’s enemy number one for me.

Fast and Efficient Pitch Detection: Synth Tracking
Update: check out the Q Audio DSP Library where this is being actively developed. A couple of posts back, I wrote about Bitstream Autocorrelation (Here and Here). It

You’ve been waiting for this. I know! Well, here now is the final production prototype. The Nu v2 Multi is based on the Nu v2

Modula Pre-Production Prototype
Cycfi’s new baby is coming very soon: A full-range, semi-modular pickup: Modula. If you haven’t heard about this yet, go check out the New Breed of

The Nu version-2 capsule is ready to go! Thicker permalloy ring for improved electromagnetic isolation, better string focus and crosstalk reduction. Bobbin-less coil to make

Fast and Efficient Pitch Detection: Bliss!
Updates: check out Synth Tracking and the Q Audio DSP Library where this is being actively developed. In my previous post, I introduced my invention, Bitstream Autocorrelation: an

Fast and Efficient Pitch Detection: Bitstream Autocorrelation
Updates: check out Bliss!, Synth Tracking and the Q Audio DSP Library. So, since last year, I’ve been mulling over a unique, and extremely fast(!) Autocorrelation scheme for

Almost immediately after I announced our Roadmap for 2018, the XRs and the current Nu modules went out of stock as people hurriedly grabbed what’s remaining

It’s amazing to see what luthiers are building using our pickups! THIS is a work of art! Exquisite build by Keith Felker of Mother Plucker Guitars