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Table Of Contents - Kurzweil K2661 Musician’s Reference Manual

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Table Of Contents

Table of Contents

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Table of Contents

Important Safety & Installation Instructions2

Radio And Television Interference2

Important Safety Instructions3

World Wide Web Home Page4

Kurzweil International Contacts4

Table Of Contents5

Front Panel Quick Reference9

Chan/Bank Buttons9

Volume Knob/ Slider9

Cursor Buttons10

Alphanumeric Buttonpad10

Plus / Minus Buttons (- And +)10

Mixdown Button11

Mixdown Control11

Midi Faders Button12

Special Button Functions12

Psw1, Psw2 (Buttons 9 And 10)12

Record, Play/Pause, Stop12

Assignable Controllers (Buttons 1-8 And Sliders A-H)12

Special Button Functions: Double Button Presses14

Chapter 2 Lfos15

Positive Sine16

Positive Square16

Positive 7 Step17

Chapter 3 Dsp Algorithms19

Control Sources35

Control Source Lists37

Descriptions Of Control Sources38

Midi Control Source List39

Mono Pressure (Mpress)39

Midi 01 (Mwheel)39

Midi 10 (Pan)40

Midi 21 (Auxbend1)40

Midi 64 (Sustain)40

Midi 65 (Portsw)40

Midi 67 (Softpd)41

Midi 69 (Frezpd)41

Midi 75 (Legatosw)41

Midi 91 (Fxdep)41

Main Control Source List42

Channel State (Chan St)42

Bipolar Mono Pressure (Bmpress)42

Bipolar Mod Wheel (Bi-Mwl)42

Global Asr (Gasr2)43

Global Fun2 (Gfun2)43

Global Lfo (Glfo2)43

Global Lfo Phase (Glfo2Ph)43

Sync State (Syncst)44

Negative A Clock (~A Clock)44

Global Phase 1 And 2 (G Phase 1, G Phase 2)45

Global Random Variant 1 And 2 (Grandv 1, Grandv 2)45

Note State (Note St)45

Key Number (Keynum)45

Inverse Attack Velocity (Invattvel)46

Polyphonic Pressure (Ppress)46

Release Velocity (Relvel)46

Bipolar Attack Velocity (Bi-Avel)46

Lfo1 Phase (Lfo1Ph)47

Lfo2 Phase (Lfo2Ph)47

Release State (Rel State)48

Ghikey, Glokey48

Constant Control Sources49

Keyboard Shortcuts For Control Sources50

Midi Note Numbers51

K2661 Note Numbers And Midi Note Numbers51

Note Numbers For Percussion Keymaps51

5-Octave Percussion Keymaps (Range: C2–C7)52

2-Octave Percussion Keymaps (Range: C3 - C5)53

Scsi Guidelines55

Disk Size Restrictions55

Conﬁguring A Scsi Chain55

Chapter 6 Midi, Scsi, And Sample Dumps55

K2661 And Macintosh Computers57

The Midi Sample Dump Standard58

Loading Samples With The Midi Standard Sample Dump58

Getting A Sample Into A Sample Editor From The K266159

Dumping From The K2661 To A Sampler59

Dumping A Sample From The K2661 To A Midi Data Recorder59

Loading A Sample Into The K2661 From A Midi Data Recorder59

Loading A Sample Into The K2661 From Another K266159

Accessing A New K2661 Sample60

Troubleshooting A Midi Sample Dump60

When Loading Samples To The K266160

Aborting A Midi Sample Dump61

When Dumping Samples From The K266161

Smdi Sample Transfers62

System Exclusive Protocol63

K2661 System Exclusive Implementation63

Common Format63

Master Parameters69

Button Press Equivalence Tables69

Maintenance And Troubleshooting73

Preventive Maintenance73

Cleaning Your K266173

Battery Replacement74

Scanner Diagnostics75

Maximizing Music And Minimizing Noise75

Power Problems And Solutions77

Troubleshooting77

Other Possible Problems78

No Sound, No Display, No Leds Illuminated78

Volume Knob Has No Effect78

Upgrading Sample Memory79

Program Ram Vs. Sample Ram79

Disk Mode Page Showing Sample Ram And Program Ram79

Viewing Ram Objects80

Choosing And Installing A Simm For K2661 Sample Memory80

Simm Speciﬁcations80

Installing Sample Ram81

Kdfx Reference83

In This Chapter83

Kdfx Algorithms84

Reverb Algorithms84

Combination Algs84

Special Fx Algorithms84

Kdfx Algorithm Speciﬁcations88

Algorithms 1 And 2: Miniverbs88

Simpliﬁed Block Diagram Of Miniverb88

Miniverb Parameters89

Simpliﬁed Block Diagram Of Dual Miniverb89

Dual Miniverb Parameters90

3 Gated Miniverb92

Gate Behavior92

Classic / Tq / Diffuse / Omni Reverbs95

L Pre Dly, R Pre Dly95

Panaural Room98

Room Reverberation Algorithm98

Simpliﬁed Block Diagram Of Panaural Room98

A Stereo Hall Reverberation Algorithm101

Simpliﬁed Block Diagram Of Stereo Hall101

A Plate Reverberation Algorithm104

Reverse Reverberation Algorithm106

Complex Echo108

Signal Flow of Complex Echo109

4-Tap Delay Bpm111

A Stereo Four Tap Delay With Feedback111

Left Channel Of 4-Tap Delay111

Parameters For Algorithm 131 4-Tap Delay112

Algorithm 132 4-Tap Delay Bpm113

8-Tap Delay Bpm115

A Stereo Eight Tap Delay With Cross-Coupled Feedback115

Left Channel Of 8-Tap Delay115

Parameters For Algorithm 133 8-Tap Delay116

Algorithm 134: 8-Tap Delay Bpm117

Spectral 4-Tap119

Spectral 6-Tap119

Spectral 6 Tap120

Various Shaper Curves Used In The Spectral Multi-Taps121

Parameters For Spectral 4-Tap121

Parameters For Spectral 6-Tap122

Degen Regen Bpm124

Long Delay Allowing Loop Instability124

Switch Loops129

Looped Delay Lines With Input Switching129

Moving Delay132

Generic Stereo Moving Delay Lines132

One And Three Tap Dual Mono Choruses133

Block Diagram Of Left Channel Of Chorus 2133

Block Diagram Of Left Channel Of Dual Chorus 2134

Block Diagram Of Left Channel Of Chorus 1134

Block Diagram Of Left Channel Of Dual Chorus 1135

Delay For A Single Lfo136

Pitch Envelopes (I) Triangle And (Ii) Trapzoid136

Parameters For Chorus 1136

Parameters For Chorus 2137

Parameters For Dual Chorus 1137

Parameters For Dual Chorus 2138

Multi-Tap Flangers140

Simpliﬁed Block Diagram Of The Left Channel Of Flanger 1140

Simpliﬁed Block Diagram Of The Left Channel Of Flanger 2141

Comb Filters : Solid Line For Addition; Dashed Line For Subtraction142

Parameters For Flanger 1144

Parameters For Flanger 2144

Lfo Phaser Twin147

Manual Phaser147

Response Of Lfo Phaser Twin With Wet/Dry Set To 100%.149

Parameters For Lfo Phaser149

Parameters For Singlelfo Phaser149

Parameters For Manual Phaser150

Parameters For Lfo Phaser Twin151

Parameters For Vibrato Phaser151

Allpass Phaser 3153

Allpass Filter Phasers153

Combination Algorithms155

Signal Routing (2 Effects)155

An Example Of Routing Using Chorus+4Tap155

Parameters For Two-Effect Routing156

Signal Routing (3 Effects)156

Parameters For Three-Effect Routing156

Individual Effect Components157

Parameters For Flange158

All Other Parameters158

Parameters For Combination 4-Tap159

Combination 4-Tap159

Conﬁgurable Combination Algorithms161

Signal Routing161

Bi-Directional Routing162

Conﬁgurable Chorus And Flange162

LFO Delay Taps in the Conﬁgurable Chorus and Flange164

Lfo Control In Dual1Tap Mode164

Lfo Control In Link1Tap Mode164

Lfo Control In Link2Tap Mode165

Ch Fdbk L, Ch Fdbk R166

Parameters For Laser Delay167

Laser Delay (Left Channel)167

Quantize+Flange171

Digital Quantization Followed by Flanger171

Parameters For Quantize + Flange172

Block Diagram Of One Channel Of Quantize+Flange172

Fl L/R Phase174

Dual Movdelay175

Quad Movdelay175

Generic Dual Mono Moving Delay Lines175

Monopitcher+Chor176

Monopitcher+Flan176

Response Of Pitcher With Different Pkshape Settings177

Conﬁgurable Flange177

Parameters For Monopitcher + Chor177

Parameters For Monopitcher + Flan178

Mix Chorus, Mix Flange179

Distortion Algorithms180

Mono Distortion180

Monodistort + Cab180

Monodistort + Eq180

Block Diagram Of Stereodistort+Eq181

Block Diagram Of Monodistort + Cab181

Parameters For Mono Distortion182

Parameters For Monodistort + Cab182

Parameters For Monodistort + Eq182

Parameters For Stereodistort + Eq182

Polydistort + Eq185

Eight Stage Distortion Followed By Equalization185

Block Diagram Of Polydistort + Eq185

Parameters For Polydistort + Eq186

Vibchor+Rotor 2188

Vibchor+Rotor 4188

Vibrato/Chorus Into Optional Distortion Into Rotating Speaker188

Block Diagram Of Vibchor+Rotor188

Rotating Speaker With Virtual Microphones189

Distort + Rotary193

Small Distortion Followed By Rotary Speaker Effect193

Block Diagram Of Distort + Rotary193

Kb3 Fx Algorithms197

Vibrato/Chorus Into Distortion Into Rotating Speaker Into Cabinet197

Parameters For Kb3 Fxbus199

Parameters For Kb3 Auxfx200

Rotary Effects203

Vc+Dist+1Rotor 2203

Vc+Dist+Hilorotr203

Vc+Tube+Rotor 4203

Parameters (Vc+Dist+1Rotor 2)205

Vc+Dist+Hilorotr And Vc+Dist+Hilorot2206

Parameters (Vc+Tube+Rotor 4)209

Subtle Distort212

Adds Small Amount Of Distortion To Signal212

Quantize+Alias213

Digital Quantization Followed By Simulated Aliasing213

Pitcher+Miniverb216

Combination Algorithm Of Pitcher Followed By Miniverb216

Signal Flow of Pitcher+Miniverb216

Reverb+Compress219

A Reverb And Compressor In Series219

Simpliﬁed Block Diagrams Of Reverb+Compress219

Soft-Knee Compression Characteristics219

St Chorus+Delay222

St Flange+Delay222

Gate+Cmp[Eq]+Vrb223

Combination Algorithm Designed For Vocal Processing223

Gate+Tubeamp227

Gate Routings227

Env Follow Filt230

Envelope Following Stereo 2 Pole Resonant Filter230

Block Diagram of Envelope Following Filter231

Trigenvelopefilt232

Triggered Envelope Following Stereo 2 Pole Resonant Filter232

Block Diagram Of Triggered Envelope Filter233

Lfo Sweep Filter235

LFO Following Stereo 2 Pole Resonant Filter235

Conﬁgurable Wave Shapes236

Resonant Filter238

Dual Res Filter238

Stereo and Dual Mono 2 Pole Resonant Filters238

Parameters For Resonant Filter238

Parameters For Dual Res Filter239

Mono Eq Morpher240

Parallel Resonant Bandpass Filters with Parameter Morphing240

Mono Eq Morpher (Eq Morpher Is Similar)240

Ring Modulator243

A Conﬁgurable Ring Modulator243

Result Of Modulating Two Sine Waves A And B243

"L*R" Mode Ring Modulator244

"Osc" Mode Ring Modulator244

Creates Pitch From Pitched Or Non-Pitched Signal247

Super Shaper252

Ridiculous Shaper252

Super Shaper: Four Values Of The Amount Parameter252

3 Band Shaper253

Mono Laserverb254

Laserverb Lite254

A Bizarre Reverb With A Falling Buzz254

Parameters For Laserverb And Laserverb Lite255

Parameters For Mono Laserverb255

Revrse Laserverb257

A Bizarre Reverb Which Runs Backwards In Time257

Simpliﬁed Impulse Response Of Revrse Laserverb257

Gated Laserverb260

The Laserverb Algorithm With A Gate On The Output260

Signal Flow of Gated Laserverb260

Poly Pitcher263

Creates Pitch From Pitched Or Non-Pitched Signal—Twice263

Frequency Offset265

Mutualfreqoffset265

Single Side Band Modulation265

Block Diagram Of Frequency Offset265

Block Diagram Of Mutualfreqoffset266

Wackedpitchlfo269

An Lfo Based Pitch Shifter269

Fun With Chaos And Instability271

Band Compress274

Stereo Algorithm To Compress A Single Frequency Band274

Band Compress Filtering at Full Compression274

Band Compress Block Diagram275

Soft-Knee Compression Characteristic275

Compressdualtime278

Compression With 2 Release Time Constants278

Opto Compress279

Hardknee Compress282

Softkneecompress282

Stereo Hard- And Soft-Knee Signal Compression Algorithms282

Hard- And Soft-Knee Compression Characteristics283

A Stereo Expansion Algorithm285

Expansion Transfer Characteristic286

Compress W/Sc Eq288

Compressor With Side Chain Equalization288

Compress/Expand291

Comp/Exp + Eq291

Compressor/Expander291

Two Segment Compression Characteristic292

Compress 3 Band296

Stereo Soft-Knee 3 Frequency Band Compression Algorithm296

Band Compressor296

Signal Gate Algorithms299

Signal Envelope for Gate and Super Gate When Retrigger Is "On"300

Super Gate Signal Envelope When Retrigger Is "Off"300

Additional Parameters For Super Gate301

2 Band Enhancer304

2 Band Spectral Modiﬁer304

3 Band Enhancer306

3 Band Spectral Modiﬁer306

One Channel Of 3 Band Enhancer306

A Stereo Tremolo Or Auto-Balance Effect308

Lfo Shapes Available For Tremolo And Tremolo Bpm308

Parameters For Tremolo Bpm309

A Stereo Auto-Panner310

Stereo Autopanning310

Dual Autopanner312

A Dual Mono Auto-Panner312

Mono Autopanning312

Lfo Shapes Available For Dual Autopanner313

Srs315

Licenced Sound Retrieval System315

Stereo Image316

Stereo Enhancement With Stereo Channel Correlation Metering316

Block Diagram Of Stereo Image Algorithm316

Mono -> Stereo318

Stereo Simulation From A Mono Input Signal318

Block Diagram Of Mono -> Stereo Effect318

Dual Graphic Eq320

Dual Mono 10 Band Graphic Equalizer320

Filter Response Of Each Bandpass Filter320

Parameters For Graphic Eq321

Parameters For Dual Graphic Eq321

Overall Response With All Gains Set To +12 Db, 0 Db And -6 Db321

Stereo Bass and Treble Shelving Filters and 3 Parametric Eqs323

Bass and Treble Shelving Filter and Parametric Eqs325

Hf Stimulate 1326

High-Frequency Stimulator326

One Channel Of High-Frequency Stimulation326

Harmonicsuppress327

Harmonicsuppress Filtering at Full Expansion327

Band Suppression328

Fxmod Diagnostic331

Fxmod Source Metering Utility Algorithm331

Stereo Analyze332

Signal Metering And Channel Summation Utility Algorithm332

Triple Modular Processing341

Algorithm Of A Possible Triple, With A Single Signal Path341

Triples And Polyphony342

Kb3 Programs342

Soloing And Muting342

Algorithms For Triple Modular Processing343

Layer-1 Algorithms: 33–62343

Layer-2 Algorithms: 63–100343

Compatibility With Other Kurzweil Instruments343

Creating Triples344

Creating A New Triple344

Copying A Program Containing A Triple344

Importing A Triple Into A Program345

Editing Triples345

Amplitude Envelopes346

Amp Blocks In Layers 1 And 2 Of A Triple346

When To Use Amp Blocks In Layers 1 And 2346

Input Locations347

Amp Block Before Input Point347

Amplitude Envelopes And The Keymap In Layer 3348

Amp Block After Input Point348

The Natural Amplitude Envelope348

The User Envelope348

Other Considerations349

Summary Of Amplitude Envelopes In Triples349

Processing-Only Layers349

Layer Parameters349

New Combinations Of Dsp Functions350

Stereo Keymaps350

Note Stealing In Triples350

Using Dsp Waveforms350

Exploring The Possibilities351

Algorithm Reference352

Layer-1 Algorithms (33–62)352

Layer-2 Algorithms (63–100)359

K2661 Triple Programs: Controller Assignments376

Default Controller Functions For Triple Programs376

Controller Assignments For V2 Factory Triple Programs376

Alphanumeric Buttonpad Entries For Dsp Functions379

Special Cases379

Speciﬁcations383

K2661 Features383

Environmental Speciﬁcations384

Physical Speciﬁcations384

Temperature Ranges384

Relative Humidity Ranges (Non-Condensing)384

Analog Audio Speciﬁcations385

Safe Voltage Ranges385

Separate Outputs385

Headphone Output385

Midi Implementation Chart386

Digital Synthesizers386

Sysex Control Of Kdfx387

Sysex Message Structure387

Sysex Message Body388

End388

Device Codes389

Parameter Codes389

Standard K2661 Rom Objects393

Groove Setups393

Special Purpose Setups394

Contemporary Rom Block Objects423

Program Control Assignments426

Brass And Reeds427

Synth Timbres428

Controller Assignments: Contemporary Rom Block429

Secondary Effects429

Controller Assignments431

Setup Control Assignments439

Orchestral Rom Block Objects443

Controller Assignments: Orchestral Rom Block449

Sd Piano Rom Option455

Smartmedia Contents455

Sympathetic Vibrations455

Modifying Sd Piano Programs455

Controller Assignments For Sd Piano Programs456

700 New Classical 1456

701 New Classical 2456

702 Classical Grand3456

706 Songwriter's Pno457

713 Rock Grand Mono457

707 Soft Grand457

708 Ballad Grand457

721 Bowed Piano458

722 Gpno & Puff458

723 Syngrand & Epno458

724 Twang Grand458

Vintage Electric Pianos Rom Option459

Program Farm Files459

Slider Assignments And Kdfx460

Fender Rhodes461

Hohner Pianet461

Yamaha Cp-80462

Rmi Electra-Piano462

Vintage Ep Programs463

Vintage Ep Setups476

Vintage Electric Piano Keymaps478

Vintage Electric Piano Samples478

Vintage Electric Piano Studios478

General Midi479

Inside Gm Mode479

General Midi Programs480

Gm Drum Kits481

Standard Mode Controller Assignments482

Live Mode Objects491

Live Mode Programs491

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Table of Contents

Troubleshooting