Hohner String
melody II

String processor (1977)

Commercial rebadge from italian Logan string processor II  100% the same 


OVERVIEW  the keyboard consists of four octaves (49 keys) heavy wooden case from the seventies; It features full polyphony with divide-down technology. There are 9 sliders on the left + 4 others above the keys. 5 push buttons on the upper part for kinda preset selection.

Terminal connectors:
- audio out
- volume pedal control
- power button


OSCILLATORS The Hohner sound generator is based on a master oscillator with a MK50240 top octave divider chip, so it divides  the generated oscillator square wave into  the 12 semitone notes of an equal tempered octave.  The left range split can have monophonic bass sound with extra volume and percussion attack control.

SOUNDS there are basically 3 sounds t"CELLO", "VIOLA" and "VIOLIN" you can mix a combination of three string sounds.
The String Melody II features also  five different ensemble effect variations with pretty strange name: "O, ACC., SOLO, ORCH., and ORGAN"
O: chorus & mixer
acc.: accordion as plain out (w/o chorus) & mixer
solo: fast LFO - tremolo (FM), low LFO - vibrato (AM) w/ chorus & mixer
orch.: full orchestra w/o mixer and bass
organ: only low LFO chorus & mixer

ENVELOPE it is possible to control the attack and the decay times per keyboard zone.

EFFECT  chorus generated by ITT TCA350 transistor bucket brigade along with a double low frequency oscillator

Hohner string melody 2  Specifications

Model: hohner
Year: 1977
Country: Italy
Display: none
Actual Price: 300€ (growing)

Polyphony - 49 notes
2x LFO - No user controls
Envelope - Attack / Decay (Sustain)
Effects - Ensemble effects 
Keyboard - 49 keys non velocity
Memory - None
Control - Volume Control Pedal input

MK50240 mostek

Weight: 23 Kg
Dimensions: 78 × 28,6 × 8,8 cm

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