| File | File in archive | Date | Context | Size | DLs | Mfg | Model |
| hfe_pioneer_sf-700_op_service_en.pdf | hfe_pioneer_sf-700_op_service_en.pdf | 13/04/20 | ELECTORONIC CROSSOVER NETWORK
| 1791 kB | 16 | Pioneer | hfe pioneer sf-700 op service en |
| 1801_DS.pdf | 1801_DS.pdf | 11/03/20 | | 417 kB | 9 | Keithley | 1801 DS |
| CSSUB10.pdf | CSSUB10.pdf | 06/03/20 | | 2872 kB | 51 | BOSTON | CSSUB10 |
| crest audio 8002.pdf | crest audio 8002.pdf | 07/07/20 | | 809 kB | 52 | . Various | crest audio 8002 |
| crest audio 8002.pdf | crest audio 8002.pdf | 22/02/10 | Schematic set Pro Series 8002 power ampl | 809 kB | 1106 | Crest | 8002 pwr amp |
| crest audio 8002.pdf | crest audio 8002.pdf | 03/09/09 | Schematic set Pro Series 8002 power ampl | 809 kB | 1719 | Crest audio | 8002 |
| 2sk404.pdf | 2sk404.pdf | 07/06/20 | Ordering number:EN1403A
| 78 kB | 3 | Sanyo | 2sk404 |
| 22sk404.pdf | 22sk404.pdf | 31/07/20 | Ordering number:EN1403A
| 78 kB | 6 | 2 | 22sk404 |
| cph5905.pdf | cph5905.pdf | 12/07/20 | Ordering number : ENN7177
| 50 kB | 3 | Sanyo | cph5905 |
| cph5902.pdf | cph5902.pdf | 21/06/20 | Ordering number : ENN6962
| 45 kB | 2 | Sanyo | cph5902 |
|
| 2n5950.pdf | 2n5950.pdf | 17/07/21 | | 97 kB | 1 | Fairchild Semiconductor | 2n5950 |
| mmbf4416a.pdf | mmbf4416a.pdf | 12/06/21 | | 50 kB | 1 | Fairchild Semiconductor | mmbf4416a |
| bf246a.pdf | bf246a.pdf | 09/11/21 | | 93 kB | 1 | Fairchild Semiconductor | bf246a |
| bf247a.pdf | bf247a.pdf | 28/11/21 | | 91 kB | 1 | Fairchild Semiconductor | bf247a |
| 2n5951.pdf | 2n5951.pdf | 11/09/21 | | 100 kB | 1 | Fairchild Semiconductor | 2n5951 |
| How-To-Update-A20-From-MKII-To-MKIII.pdf | How-To-Update-A20-From-MKII-To-MKIII.pdf | 06/06/24 | How To Update A20 From MKII To MKIII
M | 768 kB | 7 | Primare | A-20 MK II |
| CARVIN_PREAMP_SX.pdf | CARVIN_PREAMP_SX.pdf | 28/05/20 | PREAMP SX Carvin
| 401 kB | 10 | . Rare and Ancient Equipment | CARVIN PREAMP SX |
| LG Goldstar OS-3020 Schematics PT1.pdf | LG Goldstar OS-3020 Schematics PT1.pdf | 25/04/12 | 2 Input preamp
| 2817 kB | 1170 | Goldstar LG | OS 3020 |
| Ampeg-SBT guit preamp.pdf | Ampeg-SBT guit preamp.pdf | 19/12/09 | SBT PREAMP
Ampeg
| 148 kB | 444 | Ampeg | SBT |
| Ampeg SBT guit preamp.pdf | Ampeg SBT guit preamp.pdf | 22/02/10 | SBT PREAMP
Ampeg
| 151 kB | 515 | Ampeg | SBT guitar preamp |