Roland alpha juno 2 61 keys analog synthesizer

The roland alpha juno 2 is an analog polyphonic synthesizer manufactured in 1986. It features one alpha dial that controls multiple parameters, as well as midi in, out, and thru functionality. It is well know for its use of digitally controlled oscillators in conjunction with analog filters. The alpha juno 2 added an extended velocity-sensitive 61-key keyboard and a slot for an external memory card

Specification

Model

Alpha juno 2

Keyboard

61 velocity keys with aftertouch

Functions

Lcd display

,

39 buttons and a jog wheel. On the left side a joystick that acts as both pitch bender and modulation functions

Voice

Main cpu intel 8032ah manages 6 voices polyphony

Playmode functions

Octave transpose keyboard portamento glide chord mode learn (it outputs midi) bender range 1 octave setting key transpose 15 aftertouch levels assignable to vcf / dco / vca

Filter multimode

Vcf based on 6 ic x ir3r05 (also vca) lowpass at -24db/oct /resonance (it does not auto-oscillate) highpass- only 4 preset values. Vcf system provides keytracking system scaled to 15 values

Memory

64 rom presets 64 ram slots + 64 others if optional cartridge m64c is fitted. Sounds can be saved to magnetic tape or midi exclusives data dump.

Midi

Some basic cc# are managed including- modulation

,

foot control

,

portamento time and hold

Effect section

Features an analog stereo chorus based on 2 x mn3101 + 2x mn3009 ic like juno-60 or jx-3p with adjustable rate

Connectors

Midi interface tape interface main out headphones out expression pedal (assignable)

Accessories