Synth is in great condition and works fine. Has some minor blemishes on the side wood panels as can be seen in the pictures but other than that it's in excellent physical shape.

This synth has the Tubbutec Juno-66 Midi Upgrade installed, which adds Midi to the synth (original version does not have Midi) plus other features, please see below.

Description

The Tubbutec Juno-66 is an upgrade for Roland Juno-6 and Juno-60 synthesizers. It turns your Juno into a powerful Juno-66 synthesizer with midi and a lot of additional features.

Main features

• Midi in- and output. Can output key presses, arpeggiator, Powerarp and chord memory.
• Additional play modes: Polyphonic, Duophonic, Three-Voice, Two Monophonic modes, Chord Memory and Polychord. The Mono- and Duophonic modes feature adjustable fatness
• Portamento for all play modes with adjustable speed and behaviour
• Powerarp: A powerful sequencer that includes breaks and note lengths and can be triggered by the arp clock, trigger, midi clock or midi trigger. Features various direction, transpose and random modes.
• Two additional filter LFOs: A triangular LFO with a frequency of up to 2.2kHz and a S/H style LFO with various clock sources.
• A second ADSR for the filter.
• Detuning. Turns your Juno into an organic analogue synth.
• Alternative tunings: Select from a range of non-equal tempered tunings or upload a custom scale.
• Midi filter, pitch bend, arp and portamento control.
• Settings via an internal configuration menu or external midi controller.
• Extra features accessible using the existing Juno controls
• Comes with sticker overlays and all necessary parts
• For a complete list of features please refer to the user manual.

You can read more here: