Excellent Vintage Sound 70's! A monophonic synthesizer Estradin - 230 (plant "Elektroizmeritel" of Zhitomir) contains 4 main sources of sound - 3 tone generators and the source of noise.
Such external sources as electroguitar and electroorgan can be connected to the instrument. The filter of lower frequencies is intended for changing harmonic compound of signals of audible frequency in self-excitation condition.
This filter can be used as fifth source of sound. There is a possibility to control attack, release and sustain. One use such an interesting effect as sliding transition from one sound to another. There is a memory device in the synthesizer that saves sounding of tone as soon release time.
ESTRADIN-230 is powerful monophonic 3-OSC synthesizer , has 4-octave keyboard (F-C) with velocity (sensitivity assign to vibrato effect). For live performance there is a wheel which provides pitch shift. ESTRADIN 230 is based on 3-VCO (OSC-3 can work as the modulator). 1 VCF (lowpass 24dB/oct) with ADSR, 1 VCA, 3 LFO, noise generator (white/pink), glide, memory. It has an EXTERNAL INPUT allowing to use FILTER and GENERATORS with OTHER INSTRUMENTS such as guitars, synths, etc!
ESTRADIN-230 consists of 5 main sections - OSC, MIXER, MODULATION, FILTER and AMP. There are some other devices in the instrument such as glissando, modulation mixer and filter controlled from the keyboard. OSC 1,2,3 registers - 2", 4", 8", 16", 32, LF. OSC 1,2,3 waveshape select - triangle, saw, square, pulse, sine. Freq 1..3, freq 2, freq 3.Linked to keyboard pitch on/off (OSC 3 ONLY as MAIN OSC). OSC 1,2,3 on/off, level. Noise mode switch: white/pink MOD section. Mod mixer knob: balance between modulated by OSC3 and noise, depth amount.
Global section: main volume, phones volume, phones, A-440Hz tone on/off, power. Power supply: 220V/110V 50/60Hz, fuze 0,125A.Synth works AC: 110-127V or V220-230 V (50/60Hz). Dimensions (mm) 754x466x110 (29.6"x18.3"x4.3). We try to do all the best for our buyers. If you: have any Questions, would like additional Pictures, have a special order, or would like more information. The item "ESTRADIN 230 3-VCO RARE SOVIET VINTAGE ANALOG SYNTHESIZER USSR Russian polivoks" is in sale since Monday, November 27, 2017. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Synthesizers". The seller is "soviet-vintage-musical-instruments" and is located in Minsk. This item can be shipped worldwide.