| Model | Manufacturer | ||
|---|---|---|---|
| R-1000 | YAMAHA | ||
| R-100 | KAWAI | ||
| R-100 | YAMAHA | ||
| R-11 | SAMSON TECHNOLOGIES | ||
| R-121 | Royer Labs | ||
| R-122 | Royer Labs | ||
| R-12R | AMPEG | ||
| R-21 | SAMSON TECHNOLOGIES | ||
| R-240 | DOD | ||
| R-260 | DOD | ||
| R-270 | DOD | ||
| R-430 | DOD | ||
| R-431 | DOD | ||
| R-50 | KAWAI | ||
| R-512 | DOD | ||
| R-5 | ROLAND | ||
| R-70 | Roland | ||
| R-70 | ROLAND | ||
| R-8 | Roland | ||
| R-825 | DOD | ||
| R-830 | DOD | ||
| R-831B | DOD | ||
| R-845 | DOD | ||
| R-8M | ROLAND | ||
| R-8 | ROLAND | ||
| R100 | ALESIS | ||
| R100 | KAWAI | ||
| R100 | YAMAHA | ||
| R1000 | YAMAHA | ||
| R121 | ROYER | ||
| R2P2 | MOTIONWORKS | ||
| R5 | ROLAND | ||
| R50 | KAWAI | ||
| R50E | KAWAI | ||
| R512 | DOD | ||
| R600 | CARVIN | ||
| R70 | ROLAND | ||
| R8 | FOSTEX | ||
| R8 | ROLAND | ||
| R8 | ROLAND | ||
| R8 | ROLAND | ||
| R8 | ROLAND | ||
| R8 | ROLAND | ||
| R80 | ROLAND | ||
| R834 | DOD | ||
| R880 | ROLAND | ||
| R8M | ROLAND | ||
| R8 | FOSTEX | ||
| RA-100 Reference Amplifier | ALESIS | ||
| RA-150 | ALESIS | ||
| RA-27 | RANE | ||
| RA-300 | ALESIS | ||
| RA-30 | ROLAND | ||
| RA-50 | ROLAND | ||
| RA-90 | ROLAND | ||
| RA100 | ALESIS | ||
| RA50 | ROLAND | ||
| RA800 | ROLAND | ||
| RA90 | ROLAND | ||
| RAD50 | ROLAND | ||
| Radar 24 | IZ Technology | ||
| Radius 10 | HHB | ||
| Radius 20 | HHB | ||
| Radius 3 Fat Man | HHB | ||
| Radius 3 Fatman | HHB | ||
| Radius 30 | HHB | ||
| Radius 40 | HHB | ||
| Radius 5 Fat Man 2 | HHB | ||
| Radius 50 | HHB | ||
| Rage 158 | PEAVEY | ||
| RAM | PICO | ||
| Ranchero Digital Amp | LINE 6 | ||
| RAP1 Rapman | CASIO | ||
| RARE | MIXTURTRAUTONIUM | ||
| Rave-o-Lution 309 | QUASIMIDI | ||
| Raven | QUASIMIDI | ||
| RAVOLUTION | QUASIMIDI | ||
| RBF10 | BOSS | ||
| RC-20 Loop Station | BOSS | ||
| RC-30P | TASCAM | ||
| RC-71 | TASCAM | ||
| RC-808 | TASCAM | ||
| RC-848 | TASCAM | ||
| RC100 | ROLAND | ||
| RC20 | BOSS | ||
| RC20 | CASIO | ||
| RC3 | FAR | ||
| RC3 | FAR | ||
| RC30 | CASIO | ||
| RCE-10 | BOSS | ||
| RCE10 | BOSS | ||
| RCL-10 | BOSS | ||
| RCL10 | BOSS | ||
| RCM1 | YAMAHA | ||
| RCX1 | YAMAHA | ||
| RD-100 | ROLAND | ||
| RD-200 | ROLAND | ||
| RD-300 | Roland | ||
| RD-500 | ROLAND | ||
| RD-600 | ROLAND | ||
| RD-8 | Fostex | ||
| RD100 | ROLAND | ||
| RD1000 | ROLAND | ||
| RD150 | ROLAND | ||
| RD200 | ROLAND | ||
| RD200 | ROLAND | ||
| RD250 | ROLAND | ||
| RD250S | ROLAND | ||
| RD300 | ROLAND | ||
| RD3000 | ROLAND | ||
| RD300S | ROLAND | ||
| RD600 | ROLAND | ||
| RD70 | VISCOUNT | ||
| RD70 | VISCOUNT | ||
| RD700 | ROLAND | ||
| RD800 | VISCOUNT | ||
| RD8 | FOSTEX | ||
| RDD20 | BOSS | ||
| RDD300S | ROLAND | ||
| RDF1900 | DIGITECH | ||
| RDS1000 | DIGITECH | ||
| RDS1000 | DIGITECH | ||
| RDS1900 | DIGITECH | ||
| RDS3.6 | DIGITECH | ||
| RDS4000 | DIGITECH | ||
| RDS4000 | DIGITECH | ||
| RDS8000 | DIGITECH | ||
| RDS8000 | DIGITECH | ||
| RDS900 | DIGITECH | ||
| RE-101 | ROLAND | ||
| RE-150 | ROLAND | ||
| RE-201 | ROLAND | ||
| RE-27 | RANE | ||
| RE-301 | ROLAND | ||
| RE-501 | ROLAND | ||
| RE1 | KORG | ||
| RE1000 | BOSS | ||
| RE1000 | ELECTRO VOICE | ||
| RE10 | ELECTRO VOICE | ||
| RE150 | ROLAND | ||
| RE15 | ELECTRO VOICE | ||
| RE16 | ELECTRO VOICE | ||
| RE18 | ELECTRO VOICE | ||
| RE2 | ROLAND | ||
| RE201 | ROLAND | ||
| RE20 | ELECTRO VOICE | ||
| RE3 | ROLAND | ||
| RE301 | ROLAND | ||
| RE50 | ELECTROVOICE | ||
| RE501 | ROLAND | ||
| RE50 | ELECTRO VOICE | ||
| RE800 | BOSS | ||
| RE800 | ROLAND | ||
| REAL | GEM | ||
| REALISTIC | MOOG | ||
| REALLY | FMR | ||
| RealPiano Pro 2 | General Music | ||
| RECORDING | ALLEN & HEATH | ||
| Red 1 | FOCUSRITE | ||
| Red 2 | FOCUSRITE | ||
| Red 3 | FOCUSRITE | ||
| Red 7 | FOCUSRITE | ||
| Red 8 | FOCUSRITE | ||
| Red Box | HUGHES AND KETTNER | ||
| RED1 | FOCUSRITE | ||
| RED2 | FOCUSRITE | ||
| RED3 | FOCUSRITE | ||
| RED7 | FOCUSRITE | ||
| RED8 | FOCUSRITE | ||
| REDDIMIX | NOMAD | ||
| REDS | TANNOY | ||
| REDS | TANNOY | ||
| REEL | REVOX | ||
| REEL TO REEL | LYREC | ||
| REFERENCE | DYNACORD | ||
| REFLEX | LEXICON | ||
| Reflex | Lexicon | ||
| Reflex | LEXICON | ||
| REGELWERK | DOEPFER | ||
| REMBRANDT | AMEK | ||
| Remix 16 | AKAI | ||
| REMIX16 | AKAI | ||
| REMOTE48 | MACKIE | ||
| Repeater | Electrix | ||
| Repeater | ELECTRIX | ||
| Replex | HUGHES AND KETTNER | ||
| Replifex | ROCKTRON | ||
| RES | FROSTWAVE | ||
| RESEARCH | ICON | ||
| RESEARCH | STUDIO RESEARCH | ||
| RESEARCH | STUDIO RESEARCH | ||
| RESEARCH | STUDIO RESEARCH | ||
| Retro | Clarity | ||
| REV1 | YAMAHA | ||
| REV100 | YAMAHA | ||
| REV100 | YAMAHA | ||
| REV5 | YAMAHA | ||
| REV500 | YAMAHA | ||
| REV500 | YAMAHA | ||
| REV500 | YAMAHA | ||
| REV7 | YAMAHA | ||
| REV7 | YAMAHA | ||
| REVEAL | TANNOY | ||
| REVEAL | TANNOY | ||
| REVERB | VESTA FIRE | ||
| REVO30 | ROLAND | ||
| REVO30S | ROLAND | ||
| Revox PR99 | STUDER | ||
| REX-50 | YAMAHA | ||
| REX50 | YAMAHA | ||
| REZ30 | NEXT | ||
| RFX-1000 | ZOOM | ||
| RFX-2000 | ZOOM | ||
| RFX-300 | ZOOM | ||
| RFX1000 | ZOOM | ||
| RFX2000 | ZOOM | ||
| RFX300 | ZOOM | ||
| RFX32 | EMU | ||
| RGE-10 | BOSS | ||
| RH-1 | SAMSON TECHNOLOGIES | ||
| RHAPHSODY | ELKA | ||
| RHODES | FENDER | ||
| RHODES | FENDER | ||
| RHODES | FENDER | ||