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Dazatronyx - Melbourne, Australia

Philosophy

I began to design pedals in my late years of secondary school, and have remained fixated ever since. My design style might be thought of as a hybrid combination of vintage and modern technologies. I build each pedal myself, by hand, as I would for myself or a close friend.

All of the circuits are hand soldered in my home to have a long lifespan, and be practical to service. The enclosures are drilled and powder coated in my garage. The printing is also done at home. My name is Darron Thornbury, and I live in the outer south-eastern suburbs of Melbourne, Australia.

 

parts, quality

All pedals have a 10 year warranty.

Here are some of the high quality parts which I commonly use in most of my pedal designs:

  • In-house durable powder coating (powders by Dulux Australia).
  • In-house durable printing using Roland (Japan) inks.
  • 600V teflon insulated, silver plated, multi-strand copper wiring.
  • Reliable, long-life true bypass original CIC brand footswitch.
  • Lead-free soldering.
  • Authentic Hammond 1590 series superior aluminium alloy enclosures.
  • Copper > nickel > gold plated circuit boards.
  • Switchcraft audio sockets.
  • Locally made packaging.

 

news and updates - Follow along:



Instagram: @dazatronyx
@dazatronyx Facebook
Facebook: Dazatronyx
@dazatronyx Facebook
YouTube: DarronThornbury

 

 

 

 

effecTS

 

OPTICAL TREMOLO

 

BIIIG FUZZ

 

AC128
ARBITRARY FUZZ

 

THD

 

BIG FUZZ

 

FFS

 

RAD DISTORTION

 

RAD DISTORTION XL

 

TSX OVERDRIVE

 

PROFESSIONAL DRIVE XL

 

GERMANIUM AMPLIFIER V2

 

STEREO PANNING
OPTICAL TREMOLO

 

BROWN SOUND

 

TWEEDSVILLE

 

TSUCHI FUZZ V2
(OUT OF PRODUCTION)

 

BIG FUZZ LTD
(ALL SOLD)

 

MINTDROP
(ALL SOLD)

 

GERMANIUM FUZZ
(ALL SOLD)

 

 

Discrete Boost

DISCRETE BOOST

Dazatronyx Optical Tremolo Gold and Black

Dazatronyx Optical Tremolo

OPTICAL TREMOLO

My tremolos are easily my favourite circuits, and have occupied more of my design time than anything else. This was my first effect design from scratch, which I started in high school. Development took over a decade before I was happy with it.

By shining a fading light against a photo-sensitive field, this tremolo uses all-analog photo-coupling to restrict and fluctuate the output volume. Careful waveform construction, with non-linear photocell coupling, creates an organic and lively volume fluctuation, far divorced from sounding like a basic electronic waveform function. The square wave is similarly processed, so as not to sound like a computer.

Symmetry switch: This toggles between two modes which are subtly different. The asymmetric mode (up) has a slightly uneven rhythmic pattern. I feel this mode is sweeter, as it has a less obvious tempo. The modulation ascent and decent waveforms have slightly different shapes, which change and adapt for volume with different speeds and depths. This can be heard with emphasis in the original liquid spinning can tremolos.

I prefer to use the asymmetrical mode for the square wave, as the signal stays 'on' longer, with less gap time.

The symmetrical mode (down) has an even 360 degree spin, with a very slightly deeper scoop. It has a classically pronounced tremolo shape.

This circuit operates with in a split rail power supply for increased headroom, and has a very low noise level.

As with all of my tremolo models, you should expected perceived unity volume with all depth and rate settings, without having to make any manual volume adjustments. The wet level can be adjusted internally by a trimpot.

 

10 year warranty
AUD$229 delivered within Australia only. See returns policy.

or

10 year warranty
USD$165 delivered world-wide. Sent by EMS express courier where possible. See returns policy.

Scroll for demos
@_GUITAR_DAD
Mike Hermans
James Ryan
The Super Fun Awesome HappyTime Pedal Show
_guitar_dad
brett kingman
InTheBlues

Dazatronyx Biiig Fuzz

Dazatronyx Biiig Fuzz guts

Dazatronyx Biiig Fuzz guts

Biiig Fuzz


A point-to-point version of my Big Fuzz pedal - my attempt to make the world's finest-tuned muff.

This pedal was intentionally designed to look as handmade as possible, while still being built like a tank. All Earth connections are star-grounded from the chassis.

The neat soldering isn't just for show, and uses skills I acquired working in a valve amplifier factory in my youth; where we worked exclusively with PTP tagstrip. I consider that period my "wax on, wax off" training.

This pedal is expensive, as it takes me days to construct. Built to-order. Please allow approximately one week construction time before posting.

 

10 year warranty
AUD$720. Free delivery worldwide. See returns policy.

Scroll for demos
BRETT KINGMAN  
@_GUITAR_DAD  
Workshop Assembly  
BRETT KINGMAN  
BRETT KINGMAN  
BRETT KINGMAN  

Dazatronyx AC128 Arbitrary Fuzz

AC128 ARBITRARY FUZZ

This is an old-recipe, classic germanium fuzz, built to end your Fuzz Face search. New-old-stock European AC128 transistors are used, housed on a turret-board circuit.

The Roger Mayer Hendrix mods have been implemented, which make better use of AC128 transistors. These mods notably output higher gain than the standard fuzz face, and cleans up neater with the volume knob rolled back. The FUZZ knob has an extended range, and improved sweep.

There is no internal battery space. Power supply is internally conditioned. A battery may be used by means of an external adapter (sold separately).

This pedal should be placed first in the signal chain to voice correctly, connected directly to the instrument, and before any buffered pedals.

The aluminium can capacitors are ridiculously oversized for their rated voltages. They are audio rated for very low ESR, and low leakage.

This circuit uses PNP type transistors. The power supply input is the industry standard 9V type with negative centre. However, for purity of sound; the case is positively-grounded, and as such cannot share a power supply with other pedals unless the supply has isolated outputs.

The transistors used are cherry-picked for suitability from my collection which I have saved for many years, and as such are limited in availability. First in, best dressed. Germanium transistors are temperature sensitive, and will perform differently according to the ambient temperature.

All Earth connections are star-grounded from the chassis.

 

Finish
10 year warranty
Delivered within Australia only. See returns policy.

or

Finish
10 year warranty
Delivered world-wide. Sent by EMS express courier where possible. See returns policy.

Scroll for demos
brett kingman
@_GUITAR_DAD
Abel Franco
   
SHAUN KLINGER
BRETT KINGMAN
BRETT KINGMAN

Dazatronyx THD (HM-2)

Dazatronyx THD (HM-2) guts PCB

THD

Developed from my 'made in Japan' HM-2. This redesign extends beyond the limitations of the original circuit to give additional tonal options, without compromising the classic fundamental tone.

By using a dual-gang potentiometer, the DISTORTION knob has been redefined from the sloppy classic one. This is actually a dual-function control, which cascades gain stages together:

The first half of the range of the DISTORTION knob controls a full-bodied fuzz. The second half uses black glass diodes to add a further layer of compression and sustain.

The signal is processed through germanium diodes in the final compression stage. I found some hefty Soviet germanium pulse diodes (they look like little submarines) which are ideal for this function, and are crucial to achieving the valve-like attack response. N.B. this is unlike the common soft or hard peak clipping diode distortion configuration.

The silicon/germanium switch hot-swaps the distorting transistor of the fuzz stage. The germanium mode sounds, dare I say it, closer to "tube-like". These transistors are cherry picked from my collection. First in, best dressed.

A focus switch has been added which makes subtle adjustments to the boominess of the bass. This is most noticeable when the LO+ EQ knob is turned up very high.

The chips have been upgraded to high-performance audio amplifiers by JRC (Japanese Radio Company). Japanese audio-grade capacitors have mostly been use throughout. Full sized 1/4W metal film resistors have been used, all condensed down to fit into a compact 1590BS Hammond enclosure.

The classic HM-2 function is achievable while both of the mode switches are in the left position. If you want to 'max out' all of the controls for the Swedish chainsaw tone, then you will need to reduce the VOL control to-taste, as it has an increased output level from the classic.

This pedal stacks best when placed after other distortion and overdrive pedals.

 

10 year warranty
AUD$269 delivered within Australia only. See returns policy.

or

10 year warranty
USD$199 delivered world-wide. Sent by EMS express courier where possible. See returns policy.

 

 

Or build it yourself: buy the PCB only. Circuit boards are delivered by local letter post, or international letter post. No parts are included, other than the unpopulated printed circuit board.

Include 1:1 scale paper drill template?
Circuit board only - AUD$15 delivered within Australia only.

or

Include 1:1 scale paper drill template?
Circuit board only - USD$15 delivered world-wide.

 

Build Documents:

brett kingman
The Super Fun Awesome HappyTime Pedal Show
@_GUITAR_DAD
SHAUN KLINGER

Dazatronyx Big Fuzz

Dazatronyx Big Fuzz guts

BIG FUZZ

The Big Fuzz began as a muff circuit, which has been critically re-tuned to improve the tone, playability, and versatility of the pedal.

The MIDS control knob sweeps from the classic scoop, through to a more focused modern tone, with everything nice in the middle. (Classic muff scooped mids will be found around the 9 o'clock position).

The BMP/STB switch toggles between a modified muff setup, to a 1973 Colorsound Supa Tonebender mode (with the variable mid knob, of course). These two different fuzz styles further increase the versatility of the pedal!

This fuzz uses gain-selected transistors, and black glass silicon diodes. Due to internal signal processing, this effect is not particularly fussy with input or signal chain positioning.

 

10 year warranty
AUD$249 delivered within Australia only. See returns policy.

or

10 year warranty
USD$179 delivered world-wide. Sent by EMS express courier where possible. See returns policy.

Scroll for demos
MIKE HERMANS
WORKSHOP
brett kingman
A todo Fuzz
Rhys Warden
brett kingman
KFIRO
@_GUITAR_DAD
The Super Fun Awesome HappyTime Pedal Show
KFIRO
The Pedal Picassos
InTheBlues
Captain Cherry's Guitar Lounge
SHAUN KLINGER (iphone)
The Fifth String
The Fifth String

Dazatronyx FFS Fuzz

Dazatronyx FFS guts

FFS

A recreation of the EJ silicon Fuzz Face.

 

10 year warranty
AUD$199 delivered within Australia only. See returns policy.

or

10 year warranty
USD$145 delivered world-wide. Sent by EMS express courier where possible. See returns policy.

Scroll for demos
Abel Franco

Dazatronyx Rad Distortion

Dazatronyx Rad Distortion guts

RAD DISTORTION


This pedal can be used either as a classic ratty fuzz/distortion, or as a raunchy germanium overdrive. This is a sound of the '80s and '90s, with some Dazatronyx tweaks.

The 'stock' silicon mode is the classic ratty sounding fuzz-distortion. This is achieved by a two-stage distortion of first overdriving the metalcan 308 amplifier into fuzz, and then recovering some shape by further compressing the signal using hard-clipping silicon diodes.

In the germanium mode, the silicon chip fuzz has been removed. Germanium transistors and germanium diodes are used to achieve a rounded and organic overdrive-distortion.

The HAIR control dials the mid/high drive saturation. Turning this completely to the right achieves the classic metallic ratty distortion. Turning this left achieves a full, flattened response. This is a variable version of the reutz mod.

 

10 year warranty
AUD$249 delivered within Australia only. See returns policy.

or

10 year warranty
USD$179 delivered world-wide. Sent by EMS express courier where possible. See returns policy.

Scroll for demos
Rhys Warden
Brett kingman (teaser)
Abel Franco
The Super Fun Awesome HappyTime Pedal Show

Dazatronyx Rad Distortion XL

Dazatronyx Rad Distortion XL Guts

RAD Distortion XL


A larger size version of the standard model (above). This pedal can be used either as a classic ratty fuzz/distortion, or as a raunchy germanium overdrive. This is a sound of the '80s and '90s with some Dazatronyx tweaks.

The 'stock' silicon mode is the classic ratty sounding fuzz-distortion. This is achieved by a two-stage distortion of first overdriving the metal-can 308 amplifier into fuzz, and then recovering some shape by further compressing the signal using hard-clipping silicon diodes.

In the germanium mode, the silicon chip fuzz has been removed. Germanium transistors and germanium diodes are used to achieve a rounded and organic overdrive-distortion.

The HAIR knob can dial the mid/high drive saturation. Turning this completely to the right achieves the classic metallic ratty distortion. Turning this left achieves a full, flattened response. This is a variable version of the reutz mod.

 

10 year warranty
AUD$289. Free delivery worldwide. See returns policy.

Components used may vary to those shown in the photo. Photos should be used as a general guide for construction and components quality. Some carbon comp resistors are changing to carbon film.


Scroll for demos
Rhys Warden
Brett kingman (teaser)
Abel Franco
The Super Fun Awesome HappyTime Pedal Show

Dazatronyx TSX Overdrive

Dazatronyx TSX Overdrive guts

TSX OVERDRIVE


The TS10 circuit had some minor variations to the TS9 and TS808 circuits, and is now highly sort after for its secret-sauce flavour.

The classic TS10 stock tone is achievable in STD mode, as well as two other variation modes:

  • STD - Classic TS symmetrical clipping, with a focus on mids.
  • ASYM - Asymmetrical clipping shape begins to ‘look’ more like valve amplifier clipping. This can better suit input signals which already have a full bottom-end, such as a neck pickup, and allows chord detail to better shine through.
  • FAT - Asymmetrical clipping, with a fuller bottom-end.

The gain control has twice the amount of gain range as a classic TS. The extended range begins at the 2 o'clock position onwards.

The chip has been upgraded to a higher performance audio amplifier by JRC (Japanese Radio Company). The 'soft clipping' is achieved using three black glass silicon diodes.

 

10 year warranty
AUD$239 delivered within Australia only. See returns policy.

or

10 year warranty
USD$169 delivered world-wide. Sent by EMS express courier where possible. See returns policy.

Scroll for demos
@_GUITAR_DAD
Shaun Klinger
Workshop Assembly

Dazatronyx Profesional Drive +Size

Dazatronyx Profesional Drive +Size

PROFESSIONAL DRIVE XL

This is the result of my work redeveloping the classic TS overdrive circuit over many years, and critically evaluating every tone-shaping aspect of the signal path.

This XL sized version is 808-based, and using over-spec'd parts.

The three-way switch which toggles between three modes, which is helpful to suit a broader range of pickups and play styles.

  • STD - Classic TS symmetrical clipping, with a focus on mids.
  • ASYM - Asymmetrical clipping shape begins to ‘look’ more like valve amplifier clipping. This can better suit input signals which already have a full bottom-end, such as a neck pickup, and allows chord detail to better shine through.
  • FAT - Asymmetrical clipping, with a fuller bottom-end.

The gain control has twice the amount of gain range as a classic TS. The extended range begins at the 2 o'clock position onwards.

 

10 year warranty
AUD$269 delivered within Australia only. See returns policy.

or

10 year warranty
USD$189 delivered world-wide. See returns policy.

Please note: The second toggle switch option seen in the demo videos below is no longer included in the current production model for sale here. I found that the tone knob can make a setting which sounds the same as the "2 knob" mode, so it was removed. Components used may vary to those shown in the photo. Photos should be used as a general guide for construction and components quality.

EMS Express international delivery is still sometimes taking a little over a week to depart Australia. Once landed, it usually is delivered very quickly as a regular express courier service.


Scroll for demos
InTheBlues
Captain Cherry's Guitar Lounge

Dazatronyx Germanium Amplifier V2

CLASS A

Germanium amplifier V2

 

Voicing switch:

  • Mid: Effective at boosting for more drive, without the bottom end getting too flabby.
  • Bright: Slightly fuller than a classic treble booster.
  • Full Cream: Extra body, and fat tone.

GE / SI
Silicon mode can be used as a backup in extreme temperatures, or for some different clipping texture. This switch mechanically 'hot swaps' the transistor. Expect a small pop noise.

N.B. for purity of design, this pedal uses a positively grounded case. As such, it needs to be run from an isolated power supply, or battery. IE this pedal may not be suitable for a daisy-chain power supply. Battery use is not necessarily preferred.

 

10 year warranty
AUD$229. Free delivery worldwide. See returns policy.

Scroll for demos
Mike Hermans
COLEMAN's MUSIC
Dazatronyx Stereo Panning Optical Tremolo

STEREO PANNING

 OPTICAL TREMOLO


After a decade of development, I've created this completely unique circuit as my ideal tremolo. This is easily my favourite effect circuit.

By shining a fading light against a photo-sensitive device, this tremolo uses all analog photo-coupling to restrict and fluctuate the output volume. There is automatic perceived volume compensation for the full sweep of the controls.

This is a stereo variation of my smaller Optical Tremolo. It can take a stereo input, or split a mono guitar input between stereo channels. The PAN switch changes the oscillator of each channel to be out of sync - so one comes up in volume while the other drops. This creates a strange swirling effect. All original analog circuitry and true bypass mechanical switching.

As with all of my tremolo models, you should expected perceived unity volume with all depth and rate settings, without having to make any manual volume adjustments. The wet level is adjustable internally by a trimpot.

 

The new boards are using surface-mount assembled parts. This has allowed me to upgrade many aspects, including using Burr Brown audiophile amplifier chips.

The signal is now processed with a true split rail power supply (not a voltage doubler), thus eliminating the need for audio coupling capacitors, and has the highest headroom, and lowest noise levels of any model so far.

SMD multi layer ceramic capacitor arrays are used for power filtering instead of electrolytic capacitors, offering much lower ESR. This also extends the service life of the pedal, as there are no shelf life concerns as with ceramic capacitors which common electrolytic capacitors have. Nor are ceramic capacitors prone to leakage or value drift issue. SMD capacitors are not used in the audio path. Only low noise thin film resistors are used for the audio path. This has allowed me to keep the price down after materials cost inflation, while moving to much more complicated circuits where human assembly error is a significant concern.

 

10 year warranty
AUD$289. Free delivery worldwide. See returns policy.

Scroll for demos
Mike Hermans
Brett Kingman
James Ryan
Shaun Klinger
@theaustralianguitarshow
Dazatronyx BSIAB2

BROWN SOUND


The BSIAB2 circuit (Brown Sound in a Box 2) was my favourite distortion during school. The cool thing was; if you wanted one, you just had to build one. Or know somebody who would. The circuit was designed by Ed Guidry, similar to works by Jack Oran and Aron Nelson.

Back in the day, it was one of the highest-recommended builds on the forums. Forums were a thing. Many would suggest that this design was the original precursor to many of the "high gain amp" pedals that came out in the 2000s. It's basically a Marshall stack tone faker.

It has a tonne of gain, and can dial in a fat bottom end to fake a big amp sound. This circuit also responds excellently to rolling back the instrument volume knob. It can stack well with other drive pedals running into the input.

Distortion is achieved by overdriving 5457 N-channel field effect transistors (FETs), being the closest solid-state relative to vacuum tubes. There are three stacked gain stages. No diodes are involved for distortion

These new models use a hybrid mix of both surface mount and through-hole assembled components.

 

10 year warranty
AUD$199. Free delivery worldwide. See returns policy.


Scroll for demos
@_GUITAR_DAD
BRETT KINGMAN
The Super Fun Awesome HappyTime Pedal Show
Captain Cherry's Guitar Lounge
FIRST DEMO

Dazatronyx Tweedsville

Dazatronyx Tweedsville guts

Tweedsville


The three-position switch toggles between amp models of varying gain and bottom-end saturation. This is achieved by a bipolar silicon transistor preamp, with secondary distortion created by J201 field effect transistors.

This circuit is where I have landed from requests to build a pedals similar to the Lovepedal Les Lius, which is fundamentally a '70s Electra Distortion circuit.

 

10 year warranty
AUD$185. Free delivery worldwide. See returns policy.

Scroll for demos
ADAM MILLER

Dazatronyx Harmonic Optical Tremolo MK1

Dazatronyx Harmonic Optical Tremolo MK1 guts

harmonic

OPTICAL TREMOLO MK1

The function of a 'harmonic' tremolo, as opposed to a regular tremolo, could normally be described as splitting the audio spectrum into two registers of treble and bass, and then modulating the volume of each register in opposing directions. IE at one side of the wave you hear the treble, and at the other side you hear the bass.

This build is not a black face style tremolo. This particular circuit works a little differently. Instead of modulating the volume of two registers, it actually modulates the frequency cut of each register. This is done using two very particular photocell sensors, paired against lights which fade in and out.

As with all of my tremolo models, you should expect perceived unity volume in all modes with all depth and rate settings, without having to make any manual volume adjustments. The wet level can be adjusted internally by a trimpot. There is an internal voltage boost for increased headroom, while keeping low noise levels.

I have temporarily suspended sales of this model, while I move it to an SMD board. The current board is so dense, that it actually has some parts soldered on the back side also. I also have a proto for a more traditional-sounding harmonic tremolo, but completion of that is on a long to-do list.

Scroll for demos
Rhys Warden
TRI PEDAL REVIEWS
James Ryan
James Ryan
James Ryan
James Ryan
Joshua Cheyenne

Dazatronyx Tsuchi Fuzz V2

Dazatronyx Tsuchi Fuzz V2 guts

TSUCHI FUZZ v2


The Tsuchi Fuzz V2 takes a new look at the classic two-transistor fuzz circuit. The circuit’s tone has been carefully evaluated at every shaping point, to produce either classic or modern fuzz tones.

This pedal is out of production. We're taking time apart. I wouldn't say that we're broken-up, but I'm definitely seeing other pedals.


Scroll for demos
Mike Hermans
James Ryan
Dazatronyx Big Fuzz XL
Dazatronyx Big Fuzz XL guts

BIG FUZZ XL

 

LTD POLISHED EDITION

 

ALL SOLD

The polished finish turned out not to be a sustainable technique. As such, this was a limited batch of 10x polished units in this aesthetic.

This circuit continued. See: Big Fuzz XL.

Dazatronyx Mintdrop

Dazatronyx Mintdrop guts

Mintdrop

 

all sold

This is a '60s germanium Fuzz Face. Made using old recipe AC128 transistors, in Dazatronyx style.

This pedal artwork was designed with a friend and it had been on the to-do pile for a LONG time. I prepared twenty of these special enclosures as a limited run project.

 

Germanium Fuzz

Germanium Fuzz guts

GERMANIUM FUZZ 2021

 

all SOLD


This was a limited edition, special build. I only built two this year, to keep the project viable for me.

This is an old-recipe '60s germanium Fuzz Face. The transistors in this seconds unit are General Electric 2N43, and 2N123, where the manufacture date is the 13th week of 1956, and 4th week of 1958, respectively. These are some of the very early semiconductors which used a point-contact style junction.

Both units are now sold.

 

Germanium Fuzz guts

Germanium Fuzz guts

Dazatronyx Discrete Boost

DISCRETE BOOST


This is an easy beginner project; a discrete boost using two JFETs. There are options for either through-hole transistors, or SMD pads. The IC chip is used to create a true split rail power supply (+9V, 0V, -9V), for doubled headroom.

The controls are MASTER (volume) and BODY. With the BODY knob turned fully up, you get a flat and even boost across all frequencies. GAIN can be set by an internal trimpot, or a fixed value resistor.

To make things simple, there are some pre-installed surface-mount parts included (shown). These mostly help to build the power sections. This leaves only a small handful of audio parts left to solder, saving you on part costs, and build complexity errors.

The surface-mount multilayer ceramic capacitors offer superior ESR properties, and don't have the short-lived shelf life as compared with the electrolytic capacitors. Included SMD parts are: schottky polarity protection diode, self-resetting overcurrent fuse, 33K LED limiter (with through-hole option for value reduction), 3M3 input pull-down resistor, and 12x 22μF capacitors for power switching and filtering. No other parts are included.

I have previously built this circuit under the names "Fetish Booster" and "Little Fetish".

 

Build Documents:

 

Include 1:1 scale paper drill template?
AUD$19.80 delivered within Australia only.

or

Include 1:1 scale paper drill template?
USD$14.80 delivered world-wide.

Contact Darron Thornbury

 

Email me at thornbury@gmail.com. I might be a little slow to respond sometimes, but am happy to help out wherever I can.

 

Please note that I am not taking orders for custom builds. I am also not interested in modifying or repairing pedals of other builders and brands, as I'd rather spend time working on my own effects.

 

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