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"Junost - 21 is a portable polyphonic keyboard Electro-Musical Instrument (EMI). A player can hang it on a shoulder.Timbre of sound can be changed in accordance with players desire by the use of controls or choosing one or 12 programed timbres with digital indication of chosen one.Device changes sounding during playing composition using such effects as chorus, unison, transposition with continuous and coarse control, frequency and timbre vibrato with continuous frequency, depth and delay time control, fixed and dynamic change of timbre,attack and fading of sound. Attack, fading and level of envelope of the filter. Filter's cutoff frequency control from the keyboard.
Control panels are made out of shockproof polystyrene. Power unit is made as an individual part. There is a leather belt to hang the instrument on a shoulder. There is a special case out of veneer ("crocodile style") for carrying purposes. A power source with voltage within +/- 10 Volts is included. (220v to 110v converter included).
FEATURES & SPECIFICATIONS:
- Formation of envelope in volume with attack and fading duration control.
- Formation of envelope in timbre with attack duration control, fading, level and depth of timbre control.
- Frequency and timbre vibrato in depth, frequency, pre- delay control.
- Transposing on an octave (continuous and coarse)
- Tuning of the musical range.
- There is a filter with continuous range, depth and sharpness control.
- Possibility to control cutoff frequency of filter by the keyboard.
- Fixed choice of chorus and unison sounding.
- Number of octaves in a keyboard (from "F" to "E") - 4
- In audible range - 6
- Number of programmed timbres - 12
- Power consumption max - 11V*A
- Amplitude output max - 2,4 V
- Signal/(Backgound+noise) in a pause max - 55dB
- Relative frequency instability of leading generator over 4 hours of working max - 0,3 %
Dimensions:
- Without power unit and case - 85x260x860 mm (3.34x10.2x33.8 in)
- in case - 130x330x945 mm (5.11x12.9x37.2 in)
Weight:
- Without power unit and case - 6,5 kg (14.3 lbs)
- Weight with power supply - 7 kg (15.4 lbs)"
