
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
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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
Updates: check out Revisited, and the Q Audio DSP Library. A couple of posts back, I wrote about Bitstream Autocorrelation (Here and Here). It was an

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 Revisited, Synth Tracking and the Q Audio DSP Library where this is being actively developed. In my previous post, I introduced my invention, Bitstream Autocorrelation:

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

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

Simplify! I think that will be my mantra for 2018. Looking back, the current product line that we have including the XR Pickups and all

Modula 8 and 9 String Prototypes
So many things to do. So little time! I think Karl Steinberg was right in remarking that I have too many projects happening all at

Fast and Efficient Pitch Detection: Double Trouble
This D string was driving my pitch detector nuts. It’s jumping from fundamental to octave and back all over the place. Can’t make up its

I find it amusing when people talk about the “sound” of the magnet in pickups :-). The magnet has no sound! If you don’t believe

Infinity Update: The FM Synth Driver
A two-operator FM synth offers nice, easy to use, harmonic control over the driven waveform. Facebook Comments

Modula Update: Preamp Performance Tweaks
I can’t recall how many times we went back to the drawing board. Design, test, rinse repeat. I only wish turnaround time is shorter than

Modula Update: Nice Little Coils
Nice and clean! I just got a set of sample coils straight from the manufacturer and so we got excited and assembled these guys into the Modula’s dual coil


Look what we have here! It’s the Modula Preamp. It’s a balanced design using the ADA4084 Low Noise, Rail-to-Rail Input/Output, Low Power Operational Amplifiers, with a 625μA supply