Split-Eight

Sequential_Circuits Split-Eight

Released: 1985

MSRP: $1199US

Synopsis:

Duo-timbral Multitrack without the sequencer Architecture Class: Conventional (subtractive).

Ebay Description:

The Sequential Circuits Split-Eight is a (velocity sensitive) 61 key, 6 voice duo-timbral analog synthesizer, featuring a programmable oscillator, resonant low pass filter (24dB CEM), 3 envelopes, and LFO, along with 64 program memories, arpeggiator, 6 track (800 note) sequencer, stereo chorus, individual outputs, and MIDI.

Physical

Form Factor	Dimensions	Weight	Audio Input	Audio Output	Communication Port	Control Input	Control Output	Switch Input	Power
61 keys	?	?	no	stereo 2 individual	MIDI: IN OUT tape	no	no	no	wired

Interface

Compatibility	Multitimbral Memory	Program Memory	External Storage	External Programming	UI Input	UI Output
Six-Trak Max Split-Eight Multi-Trak	no	64	tape	MIDI SysEx	menu driven	LCD display

Architecture

Multitimbral	Polyphony	Unison	Architecture
2	8	yes	VCO+Noise->VCF->VCA

Output

Effects	Pan Modulator	Volume Modulator	Headphone
chorus	no	pedal VCA-EG	no

Control

Arpeggiator	Arpeggiator External	Sequencer	Sequencer Memory	Sequencer External	Continuous	Program Change
no	no	6 track, 2 song	800 note	pedal	Pitch-Wheel Mod-Wheel	assignable

Keyboard

Key Pressure	Chord Memory	External Control	External Sustain	Key Scaling	Velocity Curves
no	no	MIDI	MIDI	yes	no

Source

Name	Signal Class	Waveform	Octave Range	Amplitude Modulator	Harmonics Modulator	Pitch Modulator	Wave Assign Modulator
VCO	analog	pulse saw triangle	4	no	PWM:LFO	glide LFO MIDI-Pitch Pitch-Wheel VCO-EG
Noise	analog	noise	-	no	no	no

Filter

Name	Signal Class	IC	Resonant	Shape	Frequency Modulator	Resonance Modulator	Shape Modulator
VCF	analog	CEM3372	yes	24dB low pass	key LFO VCF-EG VCO:triangle	no

Envelope

Name	Level	Rate	Loop	Polarity	Trigger	Level Modulator	Rate Modulator
VCO-EG	sustain	attack decay release	no	yes	no	no	no
VCA-EG	sustain	attack decay release	no	no	no	no	no
VCF-EG	sustain	attack decay release	no	no	no	no	no

LFO

Name	Waveform	Delay	Polarity	Sync	Delay Modulator	Level Modulator	Rate Modulator
LFO	square triangle	no	no		no	MIDI-CC1 Mod-Wheel	no

Conventional Models

Synth Museum

"Synthesizer preservation via research and education."