Oddbird Audio
Welcome
I'm a designer and builder of guitar effects pedals, amplifiers, and other pro audio gear. I'm currently hard at work launching my latest designs - the Super Saturator, a compressor/limiter and overdrive pedal rolled into one, and the Butter Booster, a modern take on the classic boost circuit. Check back soon, follow me on social media @oddbirdaudio, or head on over to my Reverb store for the latest.
Thanksgiving Update: Butter Booster 2.0 Launch!
11/22/23 (Edit 11/25/23)The latest and greatest version of the Butter Booster is up for sale now, see my Reverb shop for more details.
And for those local to Portland, head over to Hank's Music Exchange in Hawthorne to try it out in person!
About This Pedal:
The Butter Booster is my version of the classic Dallas Rangemaster treble booster. Useful in pushing any valve amplifier over the top into crisp overdrive and sustain, the unique tonal balance and compression created by this simple circuit adds unmistakable complexity and articulation to your tone.
There are three tone presets, which I'm calling Traditional, Modern, and Baritone. I carefully chose these for their emotional impact and feel, guided by their mathematical relationship to notes on the guitar's fretboard. Traditional is the classic Rangemaster sound and the highest frequency setting, which balances out the distortion by letting high notes shine and saturate in equal amounts to low notes. Modern shifts this frequency an octave lower, creating a slight midrange bump that pairs well with modern amps and playing styles. Baritone goes an octave lower still, adding impressive depth and growl while preserving overall tightness. This last setting is coincidentally the same as the Tube Screamer, so it cuts through the mix in a similar way while still having its own unique character.
The Ge / Si switch combines the sounds of Silicon and Germanium into one unit. Silicon has intrinsically higher bandwidth, which can be perceived as brittle or harsh. To avoid this, the Butter Booster Si setting matches the input bandwidth of a tube guitar amplifier. This yields a clear, present and articulate sound, while still limiting excess unpleasant highs.
Germanium has a much lower bandwidth, which is often perceived as warmer and more relaxed. To emulate this, the Butter Booster Ge setting matches the bandwidth of the original Rangemaster transistor. This removes potentially unpleasant overtones and smooths out the transient response, giving the tone a more laid back feeling. Germanium emulation is accomplished by modifying the properties of a single carefully chosen silicon transistor. This gives all the tonal benefits of Ge, but without the excess noise, temperature dependent gain, or host of other issues that accompany vintage Ge transistors.
I've gone through every aspect of this circuit with a fine-toothed comb. Each component has been carefully optimized to make this pedal the best it can be. Special attention to biasing and voltage regulation means each pedal sounds exactly the same, no need to cherry pick the "best one". Parts were deliberately chosen for lowest noise and highest stability, ensuring many years of happy playing. Finally and perhaps most importantly was that the final product simply inspires me to play. I am happy to say the Butter Booster does exactly that.
Update Nov. 2023
11/7/23Preparing to launch the latest Butter Booster with more tone options, improved layout and circuit boards, all handmade and wired start to finish - stay tuned. More photos and demo coming soon!
The Butter Booster
This is my personal take of the classic Rangemaster circuit. My first impression was that that it sounded buttery smooth, so I'm calling it the Butter Booster. I've trimmed the ice-pick highs, sculpted the low-lows, and I characterize and bias each transistor individually so every pedal has the optimal tone. Pull the volume knob to switch the voicing from the classic treble booster bite to a more modern, Strat-friendly tone with more mids and grit.
Features:
Handmade from start to finish
Point to point wiring for the smallest possible package
Each pedal is individually optimized
Ice-pick highs are trimmed before amplification, keeping the tone bright but smooth
Switchable tone shaping
Very compact - two inches square! Great for filling little nooks on your pedal board
Don't forget to play around with the volume and tone knobs on your guitar. The interaction between your pickups, guitar tone circuitry, and the transistor stage of this pedal is where the magic really happens. This relic is still relevant today, and gives your tone a special attack and sustain that you simply can't get elsewhere.
Butter Booster Gallery
If you like what you see, be sure to stop by my Reverb shop to check out what I've got in stock
Butter Booster Demo
All demos are recorded with a clean Fender style amplifier, coupled with a Stratocaster run directly into the Butter Booster. Some mild reverb and delay in the effects loop can be heard in some takes, this is the MXR Carbon Copy. The combo amplifier features real spring reverb.
Super Saturator
This pedal was inspired when a friend asked me if I could create a pedal to give his banjo an overdrive-like sound for covering classic rock. He has a very avant garde approach to bluegrass, running guitar effects pedals with his banjo to create new and interesting sounds.
After much research and development the Super Saturator arose for this -- a compressor/limiter at low gain levels or an overdrive pedal at high gain. Use it with a clean amp for limiting and enhancing articulation and body, or you can use it to overdrive your amplifier for wonderfully saturated cascading gain.
A special feature of this pedal is the way it shapes the dynamics of the signal. It provides gentle compression that increases clarity and prescence and allows you to cut through the mix, even at low volumes. The attack lets the prefect amount of the transient through, allowing your riffs to pop out instead of getting buried.
Super Saturator Demos

The Desktop Pre
Designed to be a complete amplifier in a small, portable package, this 7x5x3" unit sits comfortably on the top of your desk, workstation, or pedal board while providing classic tube amp tones right out of the box. This was created to fill a simple need in my own life as a gigging musician - I wanted a simple device that could expedite the music creation process of both gigging and recording, without sacrificing tone. Simply plug your guitar into the input, run the output into your PA system or recording interface, and you're ready to rock with classic tube amp tones right at your fingertips.
My philosophy was to capture the best parts of classic preamp designs in as compact of a package as possible. The result is a smooth, expressive amplifier that can cover the tonal gamut. Go from pure shimmering cleans, gentle compression and limiting, all the way to classic crunch and edge-of-breakup tones. If you desire epic lead tones, grab yourself a boost pedal and push the distortion over the top! This preamp can handle very high signal levels with grace, and won't block or exhibit other undesirable distortion characteristics, no matter what you throw at it.