TECHNICS SX-U90 ORGAN

Overview

The Technics SX-U90 is a dual-manual electronic organ from the 1980s. It’s a large upright model that emulates both theater organs and the rock organ sound of the Hammond B3, representing a transition between classic electronic organs and more modern MIDI-focused instruments.

Key Features

• Keyboards:
  • Upper Manual: 49 keys with 14 harmonic tabs
  • Lower Manual: 49 keys with 8 harmonic tabs
  • Pedalboard: 1 octave
• Sound Generation: 9 tone generators for traditional organ voices
• Additional Voices: Synthetic instrument voices and solo synthesizer voices
• Effects:
  • Vibrato (rotating speaker simulation) with 4 settings
  • Multi-tremolo/Chorus
• Sound Banks:
  • Upper Manual: 6 sound banks with different settings
  • Lower Manual: 4 sound banks

Rhythm and Accompaniment

• Rhythm Box: 12 rhythms with variations, 2 fill-ins, 3 percussion modes, 1 variation mode
• Sequencer Function
• Arranger: 2 presets for chords, 2 presets for bass, Arpeggiator with 3 modes

Controls and Connectivity

• Volume Pedal with 1 control on the left side
• Connections:
  • Microphone input (Jack) with independent volume
  • Auxiliary input (Jack)
  • Headphone output (Jack)
  • Line Out (RCA)

Advanced Features

• Programmable Registration Memories
• “Voice Setting Computer” and “Orchestral Conductor” for registration control
• Custom rhythm programming
• Automatic chord programming

Sound System

Powerful sound system with multiple speakers, audio outputs, and line/microphone inputs available.

Legacy

The SX-U90 is considered one of the last electronic organs to emulate theater organs while also incorporating more modern features. It’s appreciated for its registration control system but criticized for some sound limitations, such as an imperfect Leslie effect and average synthetic sounds.