| Signal Processors | Issue | Page |
| Aardvark | AardScape | Analog Tape Warmth | Nov 96 | 181 |
| ADA | Ampulator | Tube Preamp/Speaker Emullator | Dec 97 | 155 |
| ADA | Microcab | Guitar Cabinet Emulator | Jun 94 | 124 |
| Alesis | CLX-440 | Dynamics Processor | Mar 03 | 122 |
| Alesis | MicroVerb III | | Jul 91 | 107 |
| Alesis | MicroVerb 4 | Dual Channel Processor | Oct 96 | 154 |
| Alesis | MIDIVerb 4 | | Sep 95 | 103 |
| Alesis | NanoVerb | Digital Effects Processor | Feb 97 | 176 |
| Alesis | Q20 | Multi-Effects Processor | Jun 99 | 164 |
| Alesis | QuadraVerb 2 | | Jun 95 | 93 |
| Alesis | Wedge | Digital Reverb | Dec 97 | 110 |
| Analogue Solutions | Phobos Filtered Coffee | Korg MS-20 Filter Emulation | Jan 03 | 152 |
| Analogue Systems | RS240 Frequency Shifter | Frequency Shifter | Sep 02 | 152 |
| Antares | ATR-1 | Intonation Processor | Feb 99 | 190 |
| Antares | Vocal Producer AVP-1 | Voice Processor | Aug 02 | 116 |
| Aphex | 105 | Gate | Oct 94 | 149 |
| Aphex | 106 | Compressor | Oct 94 | 149 |
| Aphex | 109 | Parameteric EQ | Feb 97 | 197 |
| Aphex | Model 204 | Spectral Enhancer | May 02 | 166 |
| Apogee | Mini-DAC | A/D Converter | Mar 04 | 106 |
| Apogee | PSX-100 | A/D and D/A Converter | Dec 99 | 162 |
| Apogee | Rosetta | A/D Converter | Dec 99 | 162 |
| Apogee | Rosetta 200 | A/D/A Converter | Oct 05 | 132 |
| Apogee | Rosetta 800 | A/D/A Converter | Apr 05 | 122 |
| ART | CS2 | Compressor | Nov 94 | 167 |
| ART | DI/O | Tube A/D/A Convertor | Oct 01 | 148 |
| ART | DMV-PRO | Multi-Effects Processor | Aug 99 | 148 |
| ART | Dr-X | Multi-Effects Processor | Dec 90 | 88 |
| ART | FXR | Elite Stereo Processor | Feb 94 | 154 |
| ART | MDM-8L | Compressor Limiter | Oct 95 | 134 |
| ART | MultiVerb Alpha | Digital Effects Processor | Feb 92 | 123 |
| ART | RXR Elite | Stereo Reverb | Mar 95 | 115 |
| ART | SGX T2 | Multi-Effects Processor | Jan 93 | 102 |
| ART | Tube EQ | Tube EQ | Nov 98 | 172 |
| ART | Tube PAC | Tube Preamp/Compressor | Nov 98 | 172 |
| Avalon | VT-737 | Tube Preamp/DI/Compressor | May 98 | 157 |
| Barber Electronics | Tone Press | Compressor | Jul 06 | 122 |
| BBE | 362NR | Sonic Maximizer | Dec 94 | 144 |
| BBE | 411 | Unimax Sonic Maximizer | Jul 89 | 109 |
| Big Briar | Moogerfooger MF-101 | Lowpass Filter | Jun 99 | 188 |
| Big Briar | Moogerfooger MF-102 | Ring Modulator | Nov 99 | 174 |
| Big Briar | Moogerfooger MF-103 | 12-Stage Phaser | Apr 00 | 180 |
| Boss | FBM-1 | 1959 Fender Bassman Emulator | Sep 07 | 108 |
| Boss | FDR-1 | 1965 Fender Deluxe Reverb Emulator | Sep 07 | 108 |
| Boss | ME-5 | Guitar Multiple Effects | Mar 89 | 72 |
| Boss | RC-50 Loop Station | Phrase Sampler/Looper | Mar 07 | 106 |
| Boss | RT-20 | Rotary Sound Processor | Aug 06 | 118 |
| Boss | RV-70 | Digital Stereo Reverb | Apr 95 | 112 |
| Boss | SE-50 | Stereo Effects Processor | Jun 91 | 88 |
| Boss | SE-70 | Stereo Effects Processor | Jan 94 | 120 |
| Boss | VF-1 | Multi-Effects Processor | Oct 00 | 202 |
| BSS Audio | DPR-944 | Parametric Compressor/Gate | Jan 99 | 142 |
| Carl Martin | Compressor/Limiter | Compressor/Limiter | Dec 99 | 176 |
| Chandler Limited | Germanium Compressor | Compressor | Apr 08 | 118 |
| Crest Performance | CP-6220 | Expander | Feb 05 | 160 |
| Dacs | FREQue | Dual Ring Modulator | Nov 99 | 174 |
| Dacs | Freque II | Dual Ring-Modulator | Jul 01 | 206 |
| Danelectro | DSR-1 Spring King | Spring Reverb | Jan 03 | 155 |
| dbx | 172 | SuperGate | Aug 93 | 117 |
| dbx | 290 | Stereo Reverb | Oct 95 | 150 |
| dbx | DDP | Digital Dynamics Processor | Mar 99 | 164 |
| dbx | MC6 | Mini-Comp Stereo Compressor | Jul 98 | 178 |
| dbx | Project1 Series | | May 94 | 121 |
| Digitech | DF-7 Distortion Factory | Effects Pedal | Mar 06 | 124 |
| Digitech | DHP-33 | 3 Part Harmonizer | Apr 95 | 132 |
| Digitech | DSP-256XL | Multi-Effects | Mar 92 | 108 |
| Digitech | Genesis3 Genetx | Guitar Effects Processor | Jun 02 | 106 |
| Digitech | GSP-2101 | Analog Digital Signal Processor | Nov 95 | 142 |
| Digitech | IPS-33B | Super Harmony Machine | Feb 91 | 141 |
| Digitech | MEQ Series | Programmable EQ | Jul 91 | 106 |
| Digitech | S100 | Dual Engine Multi-Effects Processor | Jul 98 | 156 |
| Digitech | Studio Quad | Effects Processor | Aug 96 | 148 |
| Digitech | Studio Vocalist | | Oct 95 | 157 |
| Digitech | TSR-24 | Multi-Effects Processor | Apr 94 | 117 |
| Digitech | TSR-24 | True Stereo Digital Multi-Effects | Feb 94 | 58 |
| Digitech | The Vocalist | | Apr 92 | 103 |
| Digitech | Vocalist Access | Harmony Processor | Feb 99 | 206 |
| Digitech | Vocalist Live 2 | Vocal Harmonizer | Feb 08 | 132 |
| Drawmer | DS501 Power Gate | Dual-Channel Noise Gate | Jan 02 | 134 |
| Drawmer | MX30 | Dual Gated/Compressor/Limiter | Mar 98 | 164 |
| Drawmer | Tube Station 1 | Channel Strip | Nov 03 | 102 |
| Electrix | EQ Killer | EQ | Dec 00 | 195 |
| Electrix | FilterFactory | Analog Filter | Jan 00 | 166 |
| Electrix | Filter Queen | Filter | Nov 00 | 196 |
| Electrix | WarpFactory | Vocoder | Jan 00 | 166 |
| Electro-Harmonix | 16 Second Digital Delay | Digital Delay | Jan 05 | 128 |
| Electro-Harmonix | Bi-Filter | Filter Processor | Oct 04 | 134 |
| Electro-Harmonix | Flanger Hoax | Modulation Effects | May 06 | 120 |
| Electro-Harmonix | Holier Grail | Reverb | Mar 03 | 146 |
| electro-Harmonix | POG | Polyphonic Octave Generator | Jun 05 | 136 |
| Emperical Labs | EL8 | Distressor | May 97 | 167 |
| Ensoniq | DP/2 | Effects Processor | May 96 | 145 |
| Ensoniq | DP/4 | Multi-Effects Processor | Sep 92 | 97 |
| Eventide | DSP4000 | Ultra Harmonizer | Apr 96 | 156 |
| Eventide | H3000S | Ultra Harmonizer | Jan 89 | 102 |
| Eventide | H3000SE | Harmonizer | Apr 90 | 90 |
| Eventide | H3500 | Dynamic Ultra-Harmonizer | Feb 93 | 127 |
| Eventide | H7600 Ultra-Harmonizer | Multi-Effects Processor | Apr 07 | 94 |
| Eventide | Orville Harmonizer | Multi-Effects Processor | Jun 01 | 152 |
| Eventide | TimeFactor | Delay Effects Processor | Feb 08 | 132 |
| First Act | V-Stack Classic | Amplifier Simulator | Aug 06 | 118 |
| First Act | V-Stack Tweedy | Fender Tweed Deluxe Simulator | Aug 06 | 118 |
| FMR Audio | RNC1773 | Stereo Compressor | Dec 02 | 152 |
| FMR Audio | RNLA7239 | Compressor | Jun 06 | 122 |
| Focusrite | Green 3 Voicebox | Voice Processor | Jan 98 | 140 |
| Focusrite | Green 5 Channel Strip | Signal Processor | Apr 98 | 164 |
| Focusrite | Liquid Mix - MAC/WIN | Multichannel FireWire Effects Processor | May 07 | 110 |
| Focusrite | Platinum Compounder | 2-Channel Dynamics Processor | Dec 99 | 148 |
| Focusrite | Platinum Mixmaster | Stereo Dynamics Processor | Feb 01 | 200 |
| Focusrite | Trak Master | Mono Channel Strip | May 02 | 138 |
| Focusrite | TwinTrak Pro | Steveo Voice Processor | Aug 04 | 100 |
| Frontier Design Group | Tango24 | 8 Channel A/D/A Converter | Sep 99 | 148 |
| Groove Tubes | EQ1 | Tube EQ | May 96 | 150 |
| Gutatone | Ultrem | Effects | Oct 07 | 106 |
| Guyatone | Ultron | Effects | Oct 07 | 106 |
| HHB | Radius 5 Fat Man 2 | Mic PreAmp / Compressor | Mar 02 | 150 |
| HHB | Radius 3 Fat Man | Stereo Tube Compressor | Jul 01 | 194 |
| HHB | Radius 20, 30 | Tube Parametric EQ | Oct 99 | 174 |
| Hughes & Ketner | Cream Machine | Distortion Unit | Jul 90 | 92 |
| IK Multimedia | AmpliTube 2.01 - MAC/WIN | Guitar-Amp and Effects Plugin | Oct 06 | 106 |
| IK Multimedia | ARC System - MAC/WIN | Room Correction System | Oct 08 | 84 |
| Joemeek | C2 | Photo-Optical Stereo Compressor | Sep 99 | 160 |
| Joemeek | Pro Channel VC3Q | Voice Processor | Oct 00 | 164 |
| Joemeek | SC2.2 | Stereo Compressor | May 99 | 124 |
| Joemeek | sixQ | Mic PreAmp, Signal Processor | Aug 06 | 108 |
| Joemeek | threeQ | Mic PreAmp, Compressor, Equalizer | Apr 05 | 126 |
| Joemeek | VC1 Studio Channel | Mic PreAmp, Compressor/Enhancer | Feb 98 | 195 |
| Joemeek | VC6Q | Voice Processor | Jan 00 | 176 |
| Johnson Amplification | J-Station | Guitar Amp Modeler | Mar 01 | 162 |
| Kawai | EQ-8 | Parmetric EQ | Aug 90 | 92 |
| Korg | A1 | Performance Signal Processor | Oct 91 | 91 |
| Korg | A5 | Multi-FX Signal Processor | Dec 91 | 117 |
| Korg | DL8000R | Digital Delay | Apr 98 | 171 |
| Korg | G4 | Rotary Speaker Simulator | Feb 95 | 160 |
| Korg | ih | Harmony Processor | Oct 96 | 159 |
| Korg | KP3 Kaoss Pad | Effects Processor and Loop Sampler | Jul 07 | 84 |
| Korg Toneworks | Ampworks | Guitar Effects Processor | May 04 | 124 |
| Kurzweil | KSP8 | Digital Effects Processor | Feb 03 | 172 |
| Kurzweil | Mangler | Effects Processor | Oct 04 | 118 |
| Kurzweil | Rumour | Effects Processor | Oct 04 | 118 |
| Langevin | Dual Vocal Combo | Voice Processor | Nov 00 | 174 |
| Lexicon | Alex | Effects Processor | Jul 93 | 102 |
| Lexicon | CP-1 | Stereo Processor | Jun 89 | 98 |
| Lexicon | JamMan | Sampling Delay | Mar 94 | 120 |
| Lexicon | LXP-1 | Multi-Effects Processing Module | Oct 88 | 93 |
| Lexicon | LXP-5 | Effects Processing Module | Nov 89 | 78 |
| Lexicon | LXP-15 | Multi-Effects Processor | Mar 91 | 87 |
| Lexicon | MPX-1 | Effects Processor | Jun 97 | 126 |
| Lexicon | MPX-100 | Multi-Effects Processor | Mar 99 | 142 |
| Lexicon | MPX-500 | Multi Effects Processor | May 00 | 140 |
| Lexicon | MPX-550 | Multi-Effect Processor | Jul 03 | 118 |
| Lexicon | MPX G2 | Guitar Effects Processor | Aug 99 | 128 |
| Lexicon | PCM80 | | May 95 | 107 |
| Lexicon | PCM90 | Digital Reverb | Nov 96 | 185 |
| Lexicon | Reflex | Reverb | Jun 95 | 126 |
| Lexicon | Vortex | | May 94 | 116 |
| Line 6 | Echo Pro | Sampling Delay | Jun 02 | 146 |
| Line 6 | GearBox Plugin Gold 3.10 - MAC/WIN | Effects Modeling Bundle | Dec 07 | 112 |
| Line 6 | GuitarPort RiffTracker | Software Sample Player | Nov 05 | 146 |
| Line 6 | Pocket POD | Guitar Modeler | Jan 08 | 108 |
| Line 6 | Pod | Guitar Amp Simulator | Jul 99 | 176 |
| Line 6 | PodXT | Guitar Amp Simulator | Oct 03 | 130 |
| Line 6 | PodXT Live | Modeling Processor | Jan 06 | 112 |
| Little Labs | IBP | Analog Phase Alignment Tool | Jul 03 | 128 |
| Lucid | ADA8824 | 24-bit A/D/A Convertor | Jun 00 | 180 |
| Lucid | AD9624/DA9624 | A/D/A Converters | Mar 00 | 168 |
| Lucid | SRC9624 | Sample Rate Converter | Dec 00 | 182 |
| Manifold Labs | Plugzilla | Hardware VST Plugin Host | Feb 05 | 94 |
| Marshall | SE-100 | Speaker Emulator | Nov 91 | 107 |
| M Audio | CO3 | Digital Audio Converter | Dec 00 | 196 |
| Metasonix | TM-6 | Vacuum Tube Multimode Filter | Oct 06 | 120 |
| Metasonix | TM-7 Scrotum Smasher | Effects Processor | Aug 08 | 92 |
| Metasonix | TS-21 Hellfire Modulator | Tube Signal Processor | Nov 00 | 170 |
| Metasonix | TX-1 Agonizer | Distortion | Jan 05 | 126 |
| Metasonix | TX-2 Butt Probe | Tube Distortion | Oct 05 | 152 |
| MID-FI Electornics | Glitch Computer | Distortion and Octave Effect | Oct 06 | 124 |
| Millennia Media | TD-1 | Channel Strip Processor | Nov 05 | 122 |
| Mindprint | En-Voice MKII | Analog Channel Strip | Jun 05 | 126 |
| Mindprint | En-Voice | Voice Processor | Jan 00 | 212 |
| Mindprint | T-Comp | Stereo Tube Compressor | Dec 00 | 170 |
| Moog Music | Moogerfooger MuRF MF-105 | Multiple Response Filter Array | Apr 05 | 130 |
| Motion Sound | Pro 3 | Leslie Simulator | Jun 96 | 154 |
| Muse Research | Receptor - MAC/WIN | Hardware VST Plugin Host | Feb 05 | 94 |
| MusicNet | AD24/DA24 | Analog/Digital Converter | Feb 99 | 231 |
| Mutronics | Mutator | Analog Filter | Aug 98 | 168 |
| Nightpro | EQ3-D | Broad-Band EQ | Aug 97 | 128 |
| Oberheim | Echoplex Digital Pro | | Aug 95 | 130 |
| Peavey | Autograph II | Graphic EQ | Mar 94 | 132 |
| Peavey | Kosmos | Low-Frequency/Stereo Image Enhancer | Apr 02 | 160 |
| Peavey | Pro-Fex | Multi-Effects Processor | Jan 92 | 92 |
| Peavey | Spectrum | Analog Filter | Feb 95 | 152 |
| Peavey | Ultraverb | | Feb 89 | 124 |
| Philips | IS 5022 | Sound Enhancer | Dec 96 | 148 |
| Phonic | PCL-3200 | Compressor | Nov 94 | 167 |
| Pigtronix | EP-1 | Analog Phase Shifter | May 05 | 136 |
| Pigtronix | OFO Disnortion | Analog Effects | Jan 07 | 115 |
| Presonus | ACP-22 | Compressor/Limiter/Gate | Aug 98 | 138 |
| Presonus | Eureka | Channel Strip | Jun 04 | 126 |
| Presonus | VXP | Voice Processor | Jun 01 | 138 |
| ProSonus | DCP-8 | Dynamics Processor | Jan 96 | 134 |
| Primacoustic | London 14 | Acoustic Treatment | May 02 | 170 |
| Prosound Communications | Robotalk | Filter Pedal | Dec 01 | 154 |
| PS Systems | Power Tool | | Jan 93 | 114 |
| Rane | C4 Quad Compressor | Compressor/Limiter/De-Esser | Dec 04 | 106 |
| Rane | G4 Quad Gate | Quad Gate/Ducker/Expander | Jul 04 | 116 |
| Rane | Mojo Squeeze MC22 | Stereo Compressor | Apr 97 | 159 |
| Rane | MPE 14 | MIDI Graphic EQ | Feb 90 | 116 |
| Raven Labs | True Blue EQ | EQ | Feb 02 | 204 |
| Retrospec | Squeeze Box | Tube Compressor/Limiter | Oct 97 | 168 |
| Rocktron | Intellifex Processor | | Sep 91 | 94 |
| Roger Linn Design | AdrenaLinn | Guitar Effects Processor | Aug 02 | 136 |
| Roger Linn Design | AdrenaLinn II | Guitar Effects Processor | Mar 04 | 112 |
| Roger Linn Design | AdrenaLinn III | Guitar Effects Processor | Mar 08 | 108 |
| Roland | GP-16 | Guitar Multi Effects Processor | May 90 | 90 |
| Roland | GP-100 | Guitar Preamp/Processor | May 96 | 139 |
| Roland | MMP-2 - MAC/WIN | Mic-Modeling Preamp | Apr 03 | 120 |
| Roland | RSP-550 | Stereo Signal Processor | Feb 92 | 115 |
| Roland | SDE-330 | Dimensional Space Delay | Aug 94 | 120 |
| Roland | SRV-330 | Dimensional Space Reverb | Aug 94 | 120 |
| Roland | Varios - MAC/WIN | DSP Engine | Dec 03 | 102 |
| Roland | VP-9000 | Sampling Effects Processor | May 01 | 138 |
| Rolls | Rotorhorn | | Feb 93 | 143 |
| Rupert Neve Designs | Portico 5033 | 5-Band EQ | Dec 07 | 116 |
| Rupert Neve Designs | Portico 5042 | Tape-Emulation | Jun 06 | 108 |
| Sabine | FBX-1802 | Dual Feedback Exterminator | Oct 95 | 154 |
| Sebatron | Copernicus Stereo Resonant Filter | Stereo Filter | Sep 02 | 154 |
| Sequis | Moterhload | Speaker Cabinet Simulator | Apr 06 | 118 |
| Seven Woods Audio | Ursa Major Space Station SST-206 | Effects Processor | Feb 04 | 158 |
| Sherman | Filterbank | Multimode Filter | Mar 99 | 180 |
| Sherman | Filterbank 2 | Analog Filter | Aug 01 | 166 |
| Signal-1 Electronics | GS-1 | Multi-purpose Cable Tester | May 99 | 178 |
| SM Pro Audio | M-Patch | Passive Volume Control | Jun 05 | 136 |
| SM Pro Audio | TB202 | Dual-Channel Strip | May 05 | 220 |
| Sony | DPS-F7 | Dynamic Filter | Jan 94 | 110 |
| Sony | DPS-R7/DPS-D7/DPS-M7 | | Dec 92 | 102 |
| Sony | DPS-V77 | Multi Effects Processor | Jul 96 | 150 |
| Sony | HR-MP5 | Effects Processor | Sep 94 | 122 |
| Source Audio | Hot Hand Wah | Motion Sensor Effects Processor | Nov 07 | 132 |
| SPL | Stereo Vitalizer Jack | Psycho-acoustics EQ | Nov 98 | 156 |
| SPL | Transient Designer 4 | Dynamics Processor | Oct 03 | 122 |
| SPL | Vitalizer | Psychoacoustic EQ | Dec 94 | 144 |
| SRS Labs | Pro 220 | Spatial Enhancer | Aug 02 | 152 |
| Stro Lion | N'Hummer 1A | Hum Eliminator | Feb 98 | 201 |
| Studio Electronics | ModMax Phaser | Phase Shifter | Feb 05 | 156 |
| Summit Audio | TLA-50 Tube Leveler | Compressor | Nov 02 | 158 |
| Symtrex | 425 | Dynamics Processor | Oct 92 | 129 |
| Symetrix | 488 | DYNA-Squeeze Compressor | Oct 95 | 134 |
| Symetrix | 551E | 5-Band Parametric EQ | Apr 97 | 149 |
| Symetrix | 606 | Delay F/X Machine | Jan 98 | 157 |
| Symetrix | 628 | Digital Voice Processor | May 98 | 148 |
| Symtrex | SX208 | Stereo Compressor Limiter | Jan 91 | 86 |
| TC Electronic | D-TWO | Multi-Effects Processor | May 00 | 124 |
| TC Electronic | Finalizer | Mastering Processor | Jun 97 | 151 |
| TC Electronic | Fireworx | Multi-Effects Processor | Dec 98 | 148 |
| TC Electronic | G-force | Guitar Effects Processor | May 98 | 132 |
| TC Electronic | M2000 Wizard | | Jan 97 | 117 |
| TC Electronic | M3000 | Multi-Effects Processor | Sep 99 | 180 |
| TC Electronic | M-ONE | Multi-Effects Processor | May 00 | 124 |
| TC Electronic | PowerCore Compact 1.9.3 - MAC/WIN | Hardware DSP Device | Apr 05 | 112 |
| TC Electronic | Triple-C | Digital Compressor | Dec 01 | 122 |
| TC-Helicon | VoiceOne | Vocal Processor | Jun 03 | 116 |
| TC-Helicon | VoicePrism | Vocal Processor | Aug 01 | 136 |
| TC-Helicon | VoicePrismPlus | Voice Processor | Sep 02 | 126 |
| TL Audio | 5051 | Mono Valve Voice Processor | Dec 98 | 156 |
| ToadWorks | Death Rattle | Guitar Effects | Mar 04 | 126 |
| ToadWorks | Enveloope | Mono Effects Loop | May 06 | 121 |
| Universal Audio | LA-610 | Tube Channel Strip | May 05 | 112 |
| Vermona Engineering | PH-16 | Dual 8-Stage Phase Shifter | Jun 02 | 066 |
| Viscount | EFX-1 | Multi-Effects Processor | Jun 96 | 145 |
| Vox Amplification | ToneLab | Guitar-Amp Modeling Processor | Apr 04 | 120 |
| Waves | L2 Ultramaximizer | Mastering Limiter/Normalizer | Jan 01 | 158 |
| Yamaha | FX770 | Guitar Effects Processor | Sep 94 | 135 |
| Yamaha | FX900 | Simul-Effects Processor | Aug 91 | 91 |
| Yamaha | REV500 | Stereo Reverb | Jul 97 | 200 |
| Yamaha | SPX900 | Multi-Effects Processor | Jan 94 | 100 |
| Yamaha | SPX2000 | Multi-Effects Processor | Apr 04 | 102 |
| Zoom | 9002 | Guitar Processor | Oct 90 | 88 |
| Zoom | 9030 | Effects Processor | Jul 92 | 110 |
| Zoom | 9050 | Multi-Effects Processor | Feb 94 | 58 |
| Zoom | 9120 | Effects Processor | Apr 93 | 114 |
| Z-Systems | Z-Qualizer | Digital EQ | Jan 05 | 106 |
| Z.Vex Effects | Ringtone | Ring Modulator | Dec 06 | 110 |