ETI SDIY articles index

Articles relevant to synth DIY that were published in the UK edition of the magazine Electronics Today International (ETI):

Month	Year	Article name	Author	PPNo	Classification	Key components	Comments	Corrections	On Web
Apr	1973	ETI Master Mixer	Not Given	66	Audio		Part 1
May	1973	ETI Master Mixer	Not Given	30	Audio		Part 2
Jun	1973	New Sound For Your Guitar	Not Given	30	Effect
Jun	1973	ETI Master Mixer	Not Given	56	Audio		Part 3
Jul	1973	ETI Master Mixer	Not Given	63	Audio		Part 4
Oct	1973	Master Mixer Modification	Not Given	52	Audio
Jan	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	20	Synth		Part 1 of ETI 4600 build		ETI4600
Feb	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	24	Synth		Part 2 of ETI 4600 build		ETI4600
Mar	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	40	Synth		Part 3 of ETI 4600 build		ETI4600
Apr	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	44	Synth		Part 4 of ETI 4600 build		ETI4600
May	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	54	Synth		Part 5 of ETI 4600 build		ETI4600
Jun	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	24	Synth		Part 6 of ETI 4600 build		ETI4600
Jul	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	52	Synth		Part 7 of ETI 4600 build		ETI4600
Aug	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	58	Synth		Part 8 of ETI 4600 build		ETI4600
Aug	1974	BBC Radiophonic Workshop	Not given	18	History
Sep	1974	International Music Synthesiser	Barry Wilkinson, Trevor Marshall	48	Synth		Part 9 of ETI 4600 build		ETI4600
Dec	1974	Spring Reverberation Unit	Not given	46	Effect
Feb	1975	Tech Tip: Simple Waa-Waa Circuit	Not given	66	Effect
Mar	1975	Using the LM3900	Not given	29	Information
May	1975	ETI 3600 Synthesiser	Not given	42	Synth		Part 1 of 4
Jun	1975	ETI 3600 Synthesiser	Not given	32	Synth		Part 2 of 4
Jun	1975	Tech Tip: Pink Noise Generator	Not given	62	Effect
Jul	1975	Stage Mixer	Not given	26	Audio		Part 1 of 2
Jul	1975	ETI 3600 Synthesiser	Not given	54	Synth		Part 3 of 4
Sep	1975	Stage Mixer	Not given	33	Audio		Part 2 of 2
Oct	1975	ETI 3600 Synthesiser	Not given	41	Synth		Part 4 of 4
Feb	1976	Datasheet: AY-1-0212 & AY-1-5051	Not given	66	Data sheet
Jun	1976	Waa-Waa Unit	Not given	16	Effect
Dec	1976	Touch Organ	Not given	41	Organ		Capacitive Touch Keys
Dec	1976	Audio Phaser	Not given	29	Effect
Dec	1976	Tech Tip: Guitar Fuzz	Not given	83	Effect
Apr	1977	Fuzz Box	Not given	48	Effect
May	1977	Datasheet: TDA1022	Not given	49	Data sheet
Jul	1977	Active Filters	Tim Orr	23	Information		Part 1
Jul	1977	Datasheet: ICL8038	Not given	50	Data sheet
Jul	1977	Tech Tip: A Simple VCO	Not given	77	Synth
Aug	1977	Active Filters	Tim Orr	36	Information		Part 2		World Radio History
Aug	1977	Vocoders!	Not given	34	Information				World Radio History
Sep	1977	Active Filters	Tim Orr	52	Information		Part 3
Sep	1977	Graphic Equaliser	Not given	27	Audio
Oct	1977	Datasheet: NE570/NE571	Not given	59	Data sheet				World Radio History
Nov	1977	Tech Tip: Organ Divider	Not given	73	Organ		Related to Touch Organ (Dec 76)		World Radio History
Feb	1978	Tech Tip: Sample and Hold for Music Synthesisers	L. Robinson	84	Synth
Feb	1978	Tech Tip: Battery Operated VCO	R. Zaman	91	Synth
Feb	1978	Op Amps	Tim Orr	22	Information		Part 1
Mar	1978	Op Amps	Tim Orr	49	Information		Part 2		World Radio History
Apr	1978	Op Amps	Tim Orr	29	Information		Part 3		World Radio History
May	1978	Op Amps	Tim Orr	69	Information		Part 4		World Radio History
May	1978	CCD Phaser	David Vorhaus	57	Effect	TDA1022			World Radio History
Jun	1978	Spectrum Analyser	Tim Orr	27	Audio				World Radio History
Jul	1978	Designing Oscillators	Tim Orr	15	Information				World Radio History
Jul	1978	Music Synthesiser	Tim Orr	38	Synth		Part 1 of Transcendent 2000		CAG, Emusic DIY, World Radio History
Aug	1978	Music Synthesiser	Tim Orr	45	Synth		Part 2 of Transcendent 2000		CAG, Emusic DIY, World Radio History
Oct	1978	Complex Sound Generator	Not given	17	Synth	SN76477			CAG, World Radio History
Nov	1978	Autochord	Not given	56	Organ		Part 1		World Radio History
Nov	1978	Tech Tip: Guitar Sustain Unit	S. D. Maistre	91	Effect				World Radio History
Dec	1978	Autochord	Not given	80	Organ		Part 2		World Radio History
Jan	1979	Log-Exponential Converter	Not given	34	Synth		Novel Oven for temp stability		World Radio History
Feb	1979	100W Disco Mixer Amplifier	Richard Becker	64	Amplifier		Powertran MPA 200		CAG
Feb	1979	Tech Tip: Simple Wide Range VCO	A. J. Richardson	87	Synth
Apr	1979	Ten 3080 Circuits	Tim Orr	70	Information
Apr	1979	Guitar Effects Unit	Not given	97	Effect
May	1979	Datasheet: TDA1008	Not given	70	Data sheet
May	1979	Headphone Amplifier	Not given	77	Amplifier
Jul	1979	Polyphonic Keyboard	Tim Orr	36	Synth				CAG
Aug	1979	Transcendent DPX	Tim Orr	18	Synth	BF244C, SAD512D	Part 1 of A String Thing		CAG
Sep	1979	Transcendent DPX	Tim Orr	62	Synth	NE566, M086	Part 2 of A String Thing		CAG
Sep	1979	Tech Tip: Voltage Controlled Filter	T. W, Stride	95	Synth
Oct	1979	Transcendent DPX	Tim Orr	35	Synth	BF244B, CA3080	Part 3 of A String Thing		CAG
Oct	1979	High Quality Audio Amplifier	Not given	55	Amplifier
Nov	1979	Transcendent DPX	Tim Orr	64	Synth	75107, MC6810L, ZN425SE	Part 4 of A String Thing		CAG
Nov	1979	Analogue Delay Lines	Tim Orr	29	Information
Nov	1979	Tech Tip: Simple Rhythm Generator	J. J. Trinder	101	Synth		Basic Sequencer
Dec	1979	Random Noise Source	Not given	67	Synth
Dec	1979	Tech Tip: A Simple Sequencer	P. Hill	109	Synth
Jan	1980	Tech Tip: A Simple Sequencer	S. Giles	101	Synth
Feb	1980	Modular Synthesiser	R. C. Blakey	62	Synth		Project 80		Digisound80, SynthDIY.com
Feb	1980	Modular Synthesiser	R. C. Blakey	67	Synth	CA3080E, CEM3340	Project 80		Digisound80
Feb	1980	Tuning Fork	Not given	79	Test equipment
Feb	1980	Tech Tip: Stereo VCA	J. Macauley	97	Synth
Mar	1980	The 1537 VCA	Keith Brindley	30	Information
Mar	1980	Voltage Controlled Mixer	Not given	87	Synth	CEM3330	Project 80		Digisound80, SynthDIY.com
Apr	1980	Analogue Switches	Tim Orr	18	Information
Apr	1980	300W Amplifier Module	Not given	58	Amplifier
Apr	1980	Tech Tip: Transcendent 2000 Preamp	R. N. Johnson	89	Synth
May	1980	Project 80 filters	Chris Blakey	20	Synth	CEM3320	Project 80		Digisound80
May	1980	The Black Hole	Tim Orr	90	Effect	SAD512D	Chorus Machine		CAG
Jun	1980	Drum Synthesiser	Roger Shore	84	Synth	ICL8038
Jun	1980	Tech Tip: 555 Voltage Control	S. Draper	97	Synth
Jun	1980	Tech Tip: 16 Note Sequencer	P. Gatehouse	99	Synth
Jul	1980	Filter Design	Tim Orr	17	Information
Jul	1980	State Variable Filter	R. C. Blakey	84	Synth	SSM2040	Project 80		Digisound80
Jul	1980	Envelope Shaper	R. C. Blakey	88	Synth	CEM3310	Project 80		Digisound80
Aug	1980	100W Power Amplifier	Not given	64	Amplifier
Aug	1980	Dual VCA	R. C. Blakey	78	Synth	CEM3330	Project 80		Digisound80
Sep	1980	Vocoder	Richard Becker	58	Synth		Part 1 of 2		CAG
Sep	1980	Envelope Shaper	R. C. Blakey	93	Synth	CEM3310	Project 80		Digisound80
Oct	1980	Spot Design: Reverberation Unit	Not given	25	Effect
Oct	1980	Vocoder	Richard Becker	40	Synth		Part 2 of 2		CAG
Oct	1980	Sustain Fuzz Box	Not given	53	Effect
Oct	1980	Monitor Amplifier	Chris Blakey	79	Synth	TDA2030H	Project 80		Digisound80
Nov	1980	Spot Design: Waa-Waa Unit	Not given	61	Effect
Nov	1980	2W Power Amplifier	Keith Brindley	72	Amplifier
Dec	1980	Four Input Mixer	John Fitzgerald	19	Audio
Dec	1980	Bandpass and Beyond	Tim Orr	25	Information
Dec	1980	Polysynth	Tim Orr	87	Synth	2102, 6810	Part 1		CAG, World Radio History
Jan	1981	Polysynth	Tim Orr	77	Synth	2102, 6810, LM13600	Part 2		CAG, World Radio History
Feb	1981	Polysynth	Tim Orr	32	Synth	CA3080, CEM3310, CEM3340, LM13600	Part 3		CAG, World Radio History
Feb	1981	Sound Pressure Level Meter	Not given	74	Test equipment	2N3819
Mar	1981	Polysynth	Tim Orr	27	Synth		Part 4		CAG, World Radio History
Apr	1981	Noise Generator	Charles Blakey	59	Synth		Project 80		Digisound80
Apr	1981	Drum Machine	Ray Marston	75	Synth
Apr	1981	Guitar Note Expander	Q. A. Rice	95	Effect				CAG
Apr	1981	Tech Tip: Joystick Control	M. Swale	36	Synth		ETI 4600
Apr	1981	Tech Tip: Transcendent Pulse Wave Improvement	J. F. Jordan	37	Synth		Transcendent 2000
Apr	1981	Spot Design: 20W MOSFET Amplifier	Not given	88	Amplifier
May	1981	Synthesiser Sequencer	Richard Becker	36	Synth	DM8130, ADC0804, DAC0808, 2x6514			CAG, Neil Johnson
May	1981	Spot Design: Guitar Treble Boost	Not given	77	Effect
May	1981	Tech Tip: 555 VCO	J. Harrold	94	Synth
May	1981	Tech Tip: Computer-controlled Synthesiser Keyboard	P.McChesney	94	Synth
Jun	1981	Waa-Phase Unit	Ray Marston	24	Effect				CAG
Jun	1981	Tech Tip: Transposing Master Tone Generator	R. Basterfield	54	Organ
Jun	1981	Tech Tip: Synthesiser Interface For Transcendent DPX	D. Pallant	56	Synth
Aug	1981	Hand Clap Synthesiser	Roger Shore	68	Synth
Aug	1981	Tech Tip: Computer-controlled Synthesiser Keyboard	K. Wood	81	Synth
Aug	1981	Tech Tip: Duophonic Synthesiser Keyboard	P. R. Williams	83	Synth		Transcendent 2000
Sep	1981	Equaliser Circuit Design	Tim Orr	71	Information
Oct	1981	Sound Bender	Ray Marston	24	Effect		Ring Modulator
Nov	1981	Music Processor	Ray Marston	38	Effect	TDA1022
Dec	1981	Tech Tip: Active 'Stereo' Bass Guitar	J. Smalley	75	Effect
Jan	1982	Guitar Tuner	Brian Brooks	41	Test equipment
Mar	1982	Facts on DAC's and ADC's	Tim Orr	19	Information
Apr	1982	Electromusic Techniques	Tim Orr	17	Information		Part 1
Apr	1982	Solid State Reverb	Charles Blakey	101	Effect	MN3011/3101			SynthDIY.com, Digisound80
May	1982	Electromusic Techniques	Tim Orr	47	Information		Part 2
May	1982	Tech Tip: Economy CMOS Vocoder	S. P. Giles	60	Synth
May	1982	Tech Tip: Guitar Tracking Oscillator	S. P. Giles	61	Effect
Jun	1982	Electromusic Techniques	Tim Orr	59	Information		Part 3
Jun	1982	Tech Tip: Solid StateScope Using LED's	G. Durant	27	Test equipment
Jul	1982	Tech Tip: CMOS Sustainer for Electric Guitars	S. P. Giles	27	Effect
Jul	1982	Playmate Guitar Effects/Amp	Phil Walker	28	Effect		Part 1 of 2
Aug	1982	Tech Tip: Guitar Harmoniser	S. P. Giles	34	Effect
Aug	1982	Tech Tip: CMOS Phaser	S. P. Giles	35	Effect
Sep	1982	Playmate Guitar Effects/Amp	Phil Walker	16	Effect		Part 2 of 2
Sep	1982	Tech Tip: Cheap Auto-Waa	Tony Allgood	22	Effect
Sep	1982	Tech Tip: CMOS Fuzz/Tremelo	S. P. Giles	23	Effect
Oct	1982	Tech Tip: Enriching Synthesiser Sounds	H. Duncan	77	Synth
Nov	1982	Tech Tip: Switched Volume Guitar	E. D. Pearson	85	Effect
Dec	1982	Tech Tip: Computer/Synth Keyboard Interface	Philip Jones	93	Synth
Jan	1983	Waveform Multiplier	David Ward-Hunt	71	Synth				Neil Johnson, Digisound80
Feb	1983	The ETI Organ	Richard Watts	19	Organ		Part 1
Mar	1983	The ETI Organ	Richard Watts	36	Organ		Part 2
Apr	1983	The ETI Organ	Richard Watts	56	Organ		Part 3
May	1983	The ETI Organ	Richard Watts	67	Organ		Part 4
May	1983	Tech Tip: Electronic Guitar	Quentin Rice	74	Effect
Jun	1983	Data Sheet: M108/M208	Not given	71	Data sheet				Neil Johnson
Aug	1983	1/3 Octave Graphic Equaliser	David Tilbrook	18	Audio		Part 1
Sep	1983	1/3 Octave Graphic Equaliser	David Tilbrook	41	Audio		Part 2
Nov	1983	Mini Drum Synth	A. G. Atkins	36	Synth
Nov	1983	Tech Tip: Active Bass Tone Control	Ian Willats	57	Effect
Jan	1984	Chorus/Flanger Unit	Tim Orr	33	Effect	MN3207/3102			CAG, SynthDIY.com
Mar	1984	Tech Tip: Cheap Envelope Generator	Jeff Macanley	41	Synth
May	1984	Midi Drum Synth	Not given	62	Synth		Not MIDI		CAG
Oct	1984	Simple Echo Unit	Phil Walker	18	Effect
Oct	1984	Tech Tip: A440 Tuning Reference	C. Robertson	48	Test equipment
Dec	1984	Digital Delay Line	Ray Lowe	16	Effect		Part 1
Jan	1985	Digital Delay Line	Ray Lowe	62	Effect		Part 2
Feb	1985	Digital Delay Line	Ray Lowe	24	Effect		Part 3
Feb	1985	Paragraph Equaliser	Barry Porter	31	Audio		Part 1
Mar	1985	Voltage Controlled Digital Oscillator	Richard Thorp	16	Synth	CEM3340, DAC0800, 2716	Project 80		Digisound80
Mar	1985	Paragraph Equaliser	Barry Porter	49	Audio		Part 2
Apr	1985	CCD Delay Line Effects Board	Phil Walker	57	Effect	TDA1022/1097
Jul	1985	Noise Gate	Ian Coughlan	38	Effect
Aug	1985	ETI Sorcerer String Synthesiser	Graeme Durant	36	Synth		Part 1		CAG
Oct	1985	ETI Sorcerer String Synthesiser	Graeme Durant	32	Synth	CA3080, MN3010	Part 3		CAG
Nov	1985	The Rhythm Chip	Geoff Phillips	33	Synth
Nov	1985	Chorus Unit	Ian Coughlan	48	Effect	TDA1097			CAG
Nov	1985	Cymbal Synth	D. Stone	58	Synth
Nov	1985	Digital Sound Sampler	Paul Chappell	63	Synth		Part 1
Dec	1985	Specdrum Drum Sequencer	Digisound	41	Synth		Uses a ZX Spectrum		CAG
Dec	1985	DI Compression Gate	Allan Bradford	46	Audio				CAG
Jan	1986	The ETI Activator	Allan Bradford	30	Audio
Jan	1986	Digital Sound Sampler	Paul Chappell	63	Synth		Part 2 – Uses a ZX Spectrum
Feb	1986	Digital Sound Sampler	Paul Chappell	42	Synth	ZN448	Part 3
Mar	1986	Digital Sound Sampler	Paul Chappell	44	Synth		Part 4
Jun	1986	MIDI To CV Convertor	R. A. Penfold	29	Synth
Jun	1986	Digital Sound Sampler	Paul Chappell	48	Synth		Part 5
Jul	1986	Digital Sound Sampler	Paul Chappell	44	Synth		Part 6
Oct	1986	Audio Analyser	R. A. Penfold	43	Audio			May87-57
Dec	1986	Bongo Box	Peter Davie	43	Synth
Dec	1986	Tech Tip: Simple Fuzz Unit	Lee Sage	58	Effect
Jan	1987	The MIDI Interface	Alan Robinson	17	Information
Jan	1987	The Better Flanger	Ian Coughlan	47	Effect	TDA1022		Feb87-63, Mar87-55
Jan	1987	The ETI LEDScope	Tony Ellis	57	Test equipment
Feb	1987	The MIDI Interface	Alan Robinson	31	Information
Apr	1987	BBC Micro MIDI Interface	John Yua	42	MIDI			Jun87-51, Jul87-51,
May	1987	MIDI Master Keyboard	John Yua	27	MIDI
May	1987	Metronome	Not given	44	Music
May	1987	Electronic Tuning Fork	Not given	44	Test equipment
May	1987	Valve Distortion' Fuzz Box	Not given	46	Effect
Jun	1987	MIDI Master Keyboard	John Yua	33	MIDI			Jul87-51, Aug87-57,May88-53
Jul	1987	MIDI Master Keyboard	John Yua	40	MIDI
Aug	1987	MIDI Master Keyboard	John Yua	32	MIDI
Sep	1987	The Hybrid Music System	Malcolm Brown	24	Information
Oct	1987	Inside Hybrid's Music 5000	Chris Jordan	23	Information
Oct	1987	Hyper Fuzz	Charles Dancer	43	Effect
Dec	1987	Electronic Violet	Ronald Alpiar	41	Controller		Part 1
Jan	1988	Music Circuit Potpourri	Bruno Hewitt	20	Synth
Jan	1988	Electronic Violet	Ronald Alpiar	63	Controller		Part 2
Nov	1988	Tech Tips: Guitar Preshaper	I. Harvey	49	Effect
Nov	1988	Tech Tips: Envelope Generator	T. Allgood	51	Synth
Feb	1989	Compressor/limiter/Gate	Ian Harvey	26	Effect
Mar	1989	MIDI Programmer	Robert Penfold	31	MIDI
May	1989	Guitar Tuner	Laurie Barron	41	Test equipment
Jun	1989	How to MIDI a Piano	John Brockhurst	26	MIDI			Nov89-60
Jul	1989	MIDI Patch Work	Robert Penfold	41	MIDI			Nov89-60
Oct	1989	MIDI Mapper	Robert Penfold	53	MIDI
Dec	1989	Pedal Power	Gordon Tomlinson	43	Effect
Dec	1989	Digital Noise Generator	Edward Barrow	50	Synth
Jun	1990	The Fecko Box	Keith Brindley	40	Effect	MN3004/3101		Jul90-60
Aug	1990	SY77 Music Synthesis	Mike Barnes	39	Information		Part 1
Sep	1990	SY77 Music Synthesis	Mike Barnes	37	Information		Part 2
Nov	1990	Music Tech Tips	Robert Penfold	51	Synth
Jul	1991	The Foot-Tapper	Paul Stevenson	47	Effect
Mar	1992	MIDI Switch	G. Parris	16	MIDI
Apr	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	22	Audio		Part 1
May	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	17	Audio		Part 2
Jun	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	46	Audio		Part 3
Jul	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	53	Audio		Part 4
Aug	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	52	Audio		Part 5
Aug	1992	MIDI Keyboard	Stephen Lenham	40	MIDI	E510
Sep	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	60	Audio		Part 6
Oct	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	38	Audio		Part 7
Nov	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	24	Audio		Part 7b
Dec	1992	Auto-mate 20 Audio Mixing Desk	Mike Meecham	23	Audio		Part 8
Jan	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	24	Audio		Part 8b
Feb	1993	Sound to MIDI Processor	Ken Blackwell	34	MIDI
Mar	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	49	Audio		Part 10a
Apr	1993	Auto-mate 20 Mixer PPM module	Mike Meecham	32	Audio		Part 1
May	1993	Auto-mate 20 Mixer PPM module	Mike Meecham	36	Audio		Part 2
May	1993	The Fuzztone	Daniel Coggins	16	Effect
June	1993	5-Band Graphic Equaliser	Andrew Armstrong	12	Audio
Jun	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	39	Audio		Part 11
Jul	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	48	Audio		Part 12
Aug	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	40	Audio		Part 13
Sep	1993	MIDI Analyser	Tom Scarff	32	MIDI
Sep	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	39	Audio		Part 14
Oct	1993	Auto-mate 20 Audio Mixing Desk	Mike Meecham	26	Audio		Part 15
Nov	1993	MIDI Change Pedal	D. Sapwell	34	MIDI
Jun	1994	An Introduction to MIDI	Robert Penfold	54	Information
Jun	1994	A MIDI Bass Pedal	Tom Scarff	58	MIDI
Jul	1994	An Introduction to MIDI	Robert Penfold	62	Information		Part 2
Aug	1994	An Introduction to MIDI	Robert Penfold	60	Information		Part 3
Sep	1994	An Introduction to MIDI	Robert Penfold	62	Information		Part 4
Oct	1994	Hall Effect Swell Pedal	Robert Penfold	30	Effect
Oct	1994	An Introduction to MIDI	Robert Penfold	62	Information		Part 5
Nov	1994	Hall Effect Wah-Wah Pedal	Robert Penfold	58	Effect
Nov	1994	An Introduction to MIDI	Robert Penfold	64	Information		Part 6
Dec	1994	The Parabender	Barry Porter	64	Audio		Part 1
Jan	1995	Metal Effects Unit	Robert Penfold	46	Effect
Jan	1995	The Parabender	Barry Porter	50	Audio		Part 2
Sep	1995	Fibre Optic MIDI Link	Robert Penfold	40	MIDI
Oct	1995	16 Channel MIDI Mixer	Tom Scarff	46	MIDI
Sep	1996	"Chopper" Tremolo	Robert Penfold	46	Effect
Apr	1997	MIDI Controlled Voice Harmoniser	Tom Scarff	28	Effect
Jan	1998	Infra-red Theramin	Robert Penfold	35	Synth
Feb	1998	MIDI Drum Pads	Tom Scarff	64	MIDI
Jun	1998	HT-8955 Digital Echo	Robert Penfold	19	Effect
Sep	1998	Tracking Filter Effects Unit	Robert Penfold	49	Effect
Sep	1998	A PC-controlled Sine Wave Generator	Mark Roberts	29	Synth
Nov	1998	Circuits for Music Lovers	James Scott	29	Effect

Articles relevant to SDIY that were published in the Australian edition of ETI:

Month	Year	Article name	Author	PPNo	Classification	Key components	Comments	Corrections	On Web
Sep	1976	Audio Phaser	Not Given	51	Effect		ETI 447 PCB		SynthDIY.com, CAG
Aug	1977	International 603 Sequencer	Not Given	77	Synth		ETI 603 PCB		SynthDIY.com, CAG, Emusic DIY
Jun	1982	Sub-octave oscillator for ETI synthesizer	Ken Stone		Synth	LM301, 4024

References

• Compiled by Mike Gorman from the original magazines