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Andromeda (Legacy)

Based On
NobelsĀ® ODR-1
Effect Type
Overdrive
Build Difficulty
Intermediate
Project Summary
A unique overdrive pedal whose complex drive tone earns it a spot on the pedalboards of many Nashville studio musicians.

Legacy PCB

Designed for the 1590B enclosure with side-mounted jacks, which some builders prefer. Bypass PCB (optional) sold separately.

$10.00

In stock

Updated Version

The same circuit, but updated for the 125B enclosure format for a more streamlined build. The bypass switch PCB is integrated.

$12.00

In stock

Project description

The Andromeda Overdrive project is a clone of the Nobels ODR-1, a really interesting overdrive that’s a favorite among Nashville session players but remains fairly obscure otherwise. It’s a complex circuit with a great deal of precise filtering and tuning.

The overwhelming criticism of the ODR-1 is that it has too much bass. It’s true—the corner frequency in the op-amp clipping stage is very low and the stock circuit has no way to dial it out. It pairs up very well with a Telecaster bridge pickup, but not much else.

So, for this project I borrowed the Bass control from the Timmy, which makes the corner frequency variable. With the knob all the way up, it’s the stock ODR-1, but now you can turn it down to more reasonable levels. With this modification, the ODR-1 is easily in my top 3 overdrives—and I’ve played a lot of them.

Documentation

Project Documents