WALRUS AUDIO LM308 Distortion User Manual
- June 5, 2024
- WALRUS AUDIO
Table of Contents
IRON HORSE
HIGH-GAIN DISTORTION
INSTRUCTION MANUAL
The Iron Horse is our take on a classic distortion circuit that’s thick,
punchy, riffy, and rowdy. With the help of the Si/LED knob and wide range of
the distortion knob, this true bypass, high gain behemoth can be finely tuned
for clear overdriven sounds or let the reigns loose for a full-on distorted
onslaught.
Top mount jacks with soft switch bypassing and art by David Hüttner complete
the package for a pedal board-ready distortion machine.
LEVEL – Controls the output level.
TONE–Allows specific adjustment of high-end/treble frequencies. Turn clockwise to increase high/treble frequencies and counterclockwise to decrease high/treble frequencies.
DISTORTION – Adjusts the distortion output. Turn clockwise to increase the amount of distortion. As it is increased, the signal becomes louder, thicker, and distorted. Turn counterclockwise to decrease the amount of distortion.
Si/LED KNOB – Blend between Silicon and LED clipping. When the knob is set to the left, the distorted signal will be using Silicon clipping diodes adding in a high amount of compression. Rotating the knob to the right will bring in LED clipping and a smaller amount of compression. Putting the knob at noon will blend between the two using different ratios of the Silicon and LED clipping diodes for more complex clipping sounds.
Note: Since the Si/LED knob is changing the internal gain and clipping style, the other controls will behave slightly differently as well. You will need to use the volume knob to adjust the overall output up or down depending on where you have the knob set.
Need a place to start?
Here are a few settings we like:
*The use of an isolated power supply is recommended for powering all Walrus Audio Pedals.
Daisy chain power supplies are not recommended.
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walrusaudio.com/pages/warranty-and-repair for more info.
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References
Read User Manual Online (PDF format)
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