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Nu Series v2

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


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

Onset Detection

Onset detection is concerned with finding the start of a musical note immediately preceding the attack. Onset detection in conjunction with pitch detection are utilized

Spin ‘Em Up: The Circle Guitar

The Nu pickups are installed in all forms of instruments from electric guitars, bass guitars, cellos, harps, pianos, xylophones, etc. Now, the Circle Guitar, invented

Ascend VPU v1.0

I’m very glad to announce the availability of Ascend VPU for evaluation. Ascend VPU is an audio plugin that virtualizes the sonic characteristics of guitar

Virtual Pickups Part 5

Recap Last week, I presented the 4th part of the Virtual Pickups series. The article continues the series with the introduction of the preprocessor and

Thanksgiving 2020

Production time! We only do limited production runs based on demand. Having sold out on all Nu and Nexus items, it’s time for a new

Virtual Pickups Part 4

A few years ago, I wrote a three part article series about virtual pickups: emulating guitar pickups in software. Now it is 2020 and after

That Elusive Dream

The photo below captures the never ending search for paths that may bring me closer to my goal —that elusive dream, ever so vivid in

Cycfi Consulting

We are now offering consulting services for product development, both hardware and software, from conceptualization and prototyping all the way to the final product. If

Nexus-GK Second Batch

Before anything else, thank you very much for making the first Nexus-GK batch a success. The batch sold-out pretty fast! To be honest, I was

Quadraphonic Bass

Jessica “Psy” DeLacy is known for her work in the animation industry. Beyond pixels, and into the audio and music realm, Psy generally built a


My masterpiece! After years of research and development, starting with the Alpha project, I think my goal is now finally within reach, and I am very

Fast and Efficient Pitch Detection: Revisited

Reload Last year, I wrote a series of articles about Bitstream Autocorrelation: Synth Tracking Bliss! Bitstream Autocorrelation The code has matured significantly from its inception.

Announcing the Nexus-GK

Finally! I’m proud to release the Nexus-GK: a small, flexible, and hacker-friendly breakout box that connects your multichannel guitar to the outside world using a

Nexus-GK Ready To Go

These Nexus-GK boxes are fully tested and ready to go! … Embracing the Roland GK-13 pin as a secondary connector. More information to follow. Watch this space.

Constructing Thor Part 2

Continuing our Constructing Thor series, here are some more pictures of the work in progress. Check out these links to know more about Thor: Time for

Q Onwards to 1.0

Meanwhile, the Q Audio DSP Library is inching its way towards a 1.0 release. For those who don’t know yet what it is, here’s the


It’s the first time I didn’t post anything for more than a month. Ideally, my target is posting at least once a week. April was

Constructing Thor

Last month, I posted some mid-section pictures of the Carbon Fiber-Wood prototype. Now this guitar has a name, “Thor”, thanks to Bill Banks who first

Dissecting the 13-pin Connector

So, recently I got some connectors from our Spicetone friends. I claimed that this is the best choice (or at least a suitable choice), but there


After the release of the BOSS SY-1000, I think it is time to finally embrace the Roland GK-13 pin as a secondary connector. In retrospect,


Look what we got recently from our Spicetone friends! Thank you Rein Sabolotny. Now what shall we do with these, hmmmm… 🙂

The halldorophone

I wrote about the halldorophone before in my post titled Embracing Feedback. The halldorophone is a cello-like, bowed acoustic-electric instrument that utilizes feedback to generate

Beta Update: The Midsection

I probably need a name for this concept guitar… Work in progress. Many years ago, I designed and built Alpha. Last year, I started working

Mailing List

Update Dec 2020: I know, I know… first it was Slack, then Google Group. I value meaningful discussions, but it’s very hard to keep track

Holiday Promo 2019

For those who missed the recent Cyber Week promo, here’s another chance! By popular demand, we’re extending the 20% promo on all items yet again.

The Nu Capsule

What is this Nu Capsule all about? Here’s a page, dedicated to demystifying the Nu Capsule: The Nu Capsule. If there’s anything else I might

MCU Dev In Style

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

Nu: Free Shipping

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.

Infinity v0.91

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

Nu Multi 6 Acoustic

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

Infinity v0.8: A Quick Demo

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

Time for Beta

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.

Elements C++ GUI library

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

In the Meantime…

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

Infinity: Home Stretch

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,

Nu-XR v2 Combo?

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

GPU DSP — Latency

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

All Black

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

Nu Multi Basic

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

Academic Discount

Update: The academic discount is still valid, but will remain valid only until December 15, 2020. If you are a student or educator, planning to

Q Audio DSP Library

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

Roland 13 Pin to Nu Multi

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

Nu on an Archtop

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