The model as used by Jason Newsted of Metallica

Europa electronics are: 3 knobs and 3 switches.

The knobs are: volume, pickup blend with center detent and the Q-filter.

The switches are: bass boost 6/12 dB, treble boost 6/12dB and the Q-filter on or off.

Wherever you set the filter, only frequencies below that cutoff point are passed.

The Q switch works in concert with the filter and provides an 8db boost at the cut off frequency you've set with the filter. You are able to make a kind of fretless sound.

When the switch is off you get a flat response on to the filter setting.

34" scale and 15mm string spacing.

A new one will set you back at least $ 19.250,-