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Crumar Trilogy CEM-based vintage synthesizer, in astonishing cosmetic and working conditions. This wonderful unit has been deeply checked, cleaned and calibrated by an expert and it just looks and sounds amazing. Professional packing and fast shipping guarantee.
Released in 1981 by Crumar, the Trilogy is a polyphonic analog synthesizer organized in 3 sections : Polysynth, Organ and Strings. The three sections are combined into one instrument to make up the six-voice analog hybrid synth. The Trilogy is a very versatile and warm machine that can easily generate synth basses & leads, electronic pianos and organs, warm strings, lush pads and sci-fi type noises. Thanks to the razor-sharp filter resonance you can also get a variety of tuned percussive sounds.
SYNTH SECTION
The Synth section implements two 74LS221 oscillators (the same used in the ultra-rare Crumar DS-1) with saw, square and saw+square waveforms. The two oscillators can be synced or tuned separately. The Synth architecture is basically built around CEM chips and in fact it features 6 CEM VCFs, 6 CEM VCAs and 6 CEM EG (one per voice).
ORGAN SECTION
The Organ section implements two additional detunable (or syncable) master tone generators divided-down to generate the octaves of the 4 horizontal drawbars (2', 4', 8' and 16'). The fact that the two master Organ oscillators can be detuned allows to produce a vast, rich, organy sound. The Organ section is fully polyphonic and can benefit of the Glide effect and the LFO features.
STRINGS
The Strings section is relatively simple but generates warm and unique brassy string sounds. The Strings section features a stepless "Footage" knob to mix low and high strings (16 ′ to 8 ′), a cutoff filter named "Timbre" and volume Attack and Release. The Strings section is 6-voice polyphonic and can benefit of the Glide effect and the LFO features
OUTPUTS
What is nice about the Trilogy is that in addition to being able to layer the sections they all also feature individual outputs for separating the sounds. The Organ and Strings audio outputs can be taken separately from a ¼inch jack socket on the back panel, or from the socket marked 'Polysynth' which in fact gives a mix of synth and organ if used alone.
MODULATION
The Trilogy LFO features triangle and square waveforms, and sports controls not often found on other synths. These included a variable delay control that determines how quickly the LFO is brought into the sound, a variable slope for blending two separate tones, and a glide feature for a glissando pitch change in the initial attack of a sound. An oscillator sync option determines the high frequency attack of one oscillator with the other high frequency oscillator. An input on the rear panel allowed for pedal control of this function.
Geek Porn : the presets 2->8 are not "static", they just cannot be edited using the synth knobs and sliders. You need to open the synth and tweak the dozens of trimpots placed on the preset board using an insulated screwdriver!
Synth Specifications :
Organ Specifications :
Strings Specifications : - Footage (16 ′ to 8 ′)
Outputs :
OTHER VINTAGE ITEMS
Crumar Bit-99 : https://reverb.com/item/45523709-crumar-bit-99-vintage-cem-synthesizer-original-case-schematics
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