The Juno-106 is a very common and widely used analog polysynth. It continues to be one of the most popular analog synths due to its great sound and easy programmability. It was the next major incarnation of the Juno-series, following the Juno-60. While it has virtually the same synth engine as the Juno-60, the 106 added extensive MIDI control making it one of Roland's first MIDI-equipped synthesizers. There was also increased patch memory storage, up to 128 patches instead of the 56 patches available in the Juno-60. However, the Juno-60 is often said to have a slight sonic edge over the more advanced 106. The 60 had the ability to modulate oscillator pulse from its envelope and has a "punchier" sound quality.

The Juno-106 is a six-voice polyphonic and programable analog synth with one digitally controlled oscillator (DCO) per voice. While classic monophonic synths used two or three oscillators to create a fatter sound, the Juno-106 uses built-in Chorus to fatten up its sound to dramatic effect. The nature of its DCO meant it was stable and always in perfect tune but still warm and analog. There is an excellent 24dB/oct analog lowpass filter with plenty of resonance and self-oscillating possibilities and a non-resonant highpass filter. The programable pitch/mod bender can be assigned to control the DCO pitch, VCF cutoff, and LFO amount all at once or individually.

The Juno-106 was the first MIDI equipped Juno and its implementation is quite good. There are 16 MIDI channels available and MIDI SysEx data can be transmitted/received from all the sliders and buttons for total remote control and sequencing capability. A switch on the back of the keyboard, next to the MIDI ports allows the user to switch between three types of MIDI modes: Keyboard and Hold data only; Keyboard, Hold, Bender, Patch selection data; or All data (including SysEx). Most users simply set it to MIDI Function mode 3 and forget it.

This synth is incredibly straightforward and very powerful. It's SH-series derived panel layout is easy to understand and very hands-on. Use it to generate lush pads, filter sweeps, and funky bass lines and leads. The Juno-106 is an awesome learning tool for anyone new to analog synthesis, as well as an electronic musician's dream for its warm analog sounds coupled with modern features like MIDI and memory - all at a very reasonable price. And still the Juno-106 has an even cheaper alter-ego in the form of the HS-60 - a hobbyist version with built-in speakers.

The Juno-106 is one of the most loved and used synthesizers by professionals and hobbyists alike! William Ørbit, Überzone, Norman Cook (Fatboy Slim), Autechre, BT, Vince Clarke, Moby, 808 State, Underworld, Leftfield, Fluke, Josh Wink, Todd Terry, Depeche Mode, Eat Static, Biosphere, The Prodigy, The Shamen, Bushflange, Cirrus, Astral Projection, Apollo 440, Faithless, Union Jack, Computer Controlled, Pet Shop Boys, Sneaker Pimps, Erasure, Freddy Fresh, Rabbit in the Moon, Kevin Saunderson, Jimmy Edgar, Laurent Garnier, Vangelis, Sigur Ros, and the Chemical Brothers have used this synth extensively! It belongs in your studio!

bxt403

October 29, 2011 @ 7:14 pm

The fader/ADSR envelope signals are being sent to a micro controller (which I guess could be considered software) but they're being converted to CVs for the analog circuits. I think it's more accurate to call them digital. Software implies the Juno 106 is like a virtual analog/software/wavetable synth when it's a DCO. But I see what Orlando56 means by "software envelopes".

orlando56

October 27, 2011 @ 11:55 am

@bxt403 -- Yes, they are software. You're thinking of the Juno 6 and 60, which do have hardware envelopes.

bxt403

October 27, 2011 @ 12:21 am

The Juno envelopes are not software. It's an analog synth with digital control (which why the presets can be saved and how full automation of all the parameters is possible over MIDI).

orlando56

October 19, 2011 @ 5:46 pm

Sorry, I meant to say VCA/VCF chips (80017s). By the way, the envelopes, despite being software, are as snappy as you could want.

orlando56

October 19, 2011 @ 5:43 pm

I just scored a 106 from a pawnshop for $300. I looked inside, and someone has already done the acetone bath on the VCA/VCA chips (which I did myself on another ailing 106 year ago, with great results -- and I'm no whiz at electronics). The acetone bath is a (tentatively) proven winner. For bass, brass, strings, and percussion, the 106 rocks.

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