From the manufacturer:
The Catalinbread Karma Suture line was inspired by the rare Harmonic Percolator. Not just a clone, we?ÇÖve expanded the potential by adding the exclusive Density and Diodes controls coupled with months of fine-tuning to get everything just right. You?ÇÖll find great sounds through the rotation of all the controls. No matter how you have the pedal set, the tone and response is always alive, sensitive to your every playing nuance.
Silicon Karma Suture ups the gain, output, and brightness with two silicon transistors, still in?áPNP/NPN configuration, along with a pair of silicon diodes, configured for asymmetrical?áclipping.
Whether you?ÇÖre using the Karma Suture as your standalone dirt box into your amp or you?ÇÖre?áusing it to boost, overdrive, and enhance your existing dirt pedals, you?ÇÖll be greeted with?áharmonic distortion laden with even-order harmonics ?Çô sweet and musical, even with?ácomplex chord voicings. Both models provide you with amazing even-order harmonic?ádistortion with distinct personalities. If you?ÇÖre familiar with the difference between a?ágermanium and silicon fuzz face, then those qualities apply to the Karma Suture as well ?Çô?ágermanium gives you a thick, sweet response with a softer picking attack. Silicon provides a?ámore immediate picking attack with a more aggressive tone.
So, you?ÇÖre thinking, is it a fuzz? Yes! Is it an overdrive? Yes! Is it a sparkly boost? Yes, again!?áKarma Suture?ÇÖs four control layout allows you to dial in a huge range of harmonically rich?átones that sound great into clean amps and as well as overdriven amps. Or into a foundation?áoverdrive, such as the Dirty Little Secret. It can work equally well with vintage single coils?áand hot humbuckers.
Because Karma Suture generates predominantly even-order harmonic distortion, you will?ánotice amazing clarity even with extreme settings. You can even play complex chord?ávoicings and yet every note rings through clear! Try that with your average fuzz or distortion?ápedal! And even at maximum settings, the Karma Suture retains an open and responsive?ácharacter unlike a lot of fuzzes and distortion pedals. Even though it has an open character,?áyou can get amazing sustain with the Karma Suture on, especially if you?ÇÖre hitting a cranked?áup amp with it. Harmonics come in waves, undulating in and out as you hold that epic power?áchord.
The Density control goes from a thick fuzz tone that can sound like an amp ready to explode?áall the way to a tight harmonically rich overdrive that screams ?Ç£rock and roll!?Ç¥. This control is?áthe key to dialing in the Karma Suture with any rig, allowing you to fine-tune to find the exact?ásweet spot.
The Diodes control allows you to set the threshold of the diode clipping circuit ?Çô from full?áclipping to get the most distortion and compression all the way to no diode clipping for a?áwide-open (and LOUD!) sound.
The Input knob controls how much of your guitar signal gets to the harmonic generator. Set it?álow for a lively boost, laden with even-order harmonic content. Or crank it all the way up to?áget fuzz blasts!
And Output controls the volume level. This pedal is capable of some serious output in?ácertain settings!In general, the Karma Suture likes to be up towards the front of your signal chain.