SOLD - Mad Professor Royal Blue Overdrive

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Who buys guitar effects pedals?  We do! 

Call 530-570-1525 or email sales@maharsvintageguitars.com to sell your vintage or used effects pedal, guitar parts, guitar, bass, amplifier, etc - one piece or a collection!  We are always ready to buy instruments, amps and effects from Fender, Gibson, Martin, Epiphone, Rickenbacker, Gretsch, Marshall, Vox and just about anything else related to musical instruments.   You can also click here for more info on selling us vintage instruments, parts, etc.  

No sales tax for customers outside California.

Fresh into our stock as part of a large pedal collection.  We went through each to make sure they are fully functional, as is the case with this great sounding overdrive pedal.

No adaptor or box included.

The black foam on the bottom is from a pedalboard system used by the previous owner.  It comes off without leaving a trace.  We will remove it before shipping.

From website:
The Mad Professor Royal Blue Overdrive, it offers wide range of tones from light overdrive into distortion and at lowest Distortion knob setting works as an EQ. It can also be used to create tube amp-like crunchy strike hard for distortion effect. There is not much filtering on the overdrive, to provide transparent tone that you can tailor with both the Treble and Bass controls. Like the best boutique amps, the Royal Blue OD lets you determine the amount of breakup by how hard you strike the strings with your pick, and/or by adjusting the volume knob on your guitar. The Royal Blue can add this level of expressiveness to any clean or slightly overdriven amplifier..

Features

  • Volume: sets the overall output level of the pedal.
  • Distortion: controls distortion, for most dynamic response set where the amount of distortion is controllable with picking force.
  • Treble: a boost/cut "shelving" type equalizer that controls the amount of high end, operating where the Presence control is on most amplifiers
  • Bass: a boost/cut shelving type equalizer that controls the low end, just above resonance of a standard 412 cabinet


This pedal is sold with NO power adaptor, box, or manual.

We Pack with Care

We pack items extremely well & utilize special vintage instrument insurance in case there is a damage claim.

Shipping Services

We prefer UPS based on their performance before & during the pandemic. USPS is usually our choice for international shipping.

Out the Door Quickly!

We turn your orders around quickly so you aren't fiending for your items for long. Most orders depart within 24 to 48 hours.