SERVICE PARTS
900 series
mono channel
| CHANNEL | FUNCT. | POTENTIOMETER | KNOB | CAP | MISC. |
| MIC/LINE | XLR fem/10600235 | ||||
| MIC/LINE | Switch 4pole/10550401 | RED/10450189 | n.a. | n.a. | |
| REMIX | Switch 4pole/10550401 | Black/10450184 | n.a. | n.a. | |
| GAIN | 10KCB/10300106 | Black/10450193 | Red/10450152 | n.a. | |
| HIGH | 10KA/10300103 | Black/10450193 | Yellow/10450154 | n.a. | |
| FREQUENCY | 100KCx2/10300118 | Black/10450193 | Green10450194 | n.a. | |
| MID | 10KLIN/10300103 | Black/10450193 | Green/10450194 | n.a. | |
| LOW | 100KLIN/10300113 | Black/10450193 | Gray/10450195 | n.a. | |
| AUX1 | 47KB/10300110 | Black/10450193 | Black/10450153 | n.a. | |
| AUX2 | 10KB/10300104 | Black/10450193 | Black/10450153 | n.a. | |
| AUX3 | 10KB/10300104 | Black/10450193 | Black/10450153 | n.a. | |
| PANPOT | 10KA/10300128 | Black/10450193 | Black/10450153 | n.a. | |
| Routing | Switch2p/10450184 | Black/10450184 | |||
| SOLO | Switch2p/10450184 | Red/10450189 | |||
| MUTE | Switch2p/10450184 | Black/10450184 | |||
| FADER 100mm | ALPS K fader/10300098 | Black/10450088 | n.a. | n.a. | |
| Transistors | BC560b/10250327 | BC546/10250328 | |||
| IC's | TL074/10250305 | n.a. | n.a. | ||
Group section
| MASTER | FUNCT. | POTS/MISC. | KNOB | CAP | MISC. |
| OUTPUTS | Jack ster/10600433 | ||||
| INSERTS | Jack brk/10600432 | ||||
| AUX1 | 47KB/10300110 | Black/10450193 | Black/10450153 | n.a. | |
| AUX2 | 10KB/10300104 | Black/10450193 | Black/10450153 | n.a. | |
| AUX3 | 10KB/10300104 | Black/10450193 | Black/10450153 | n.a. | |
| SUB | Switch2p/10450184 | Black/10450184 | |||
| TAPE | Switch2p/10450184 | Black/10450184 | |||
| SOLO | Switch2p/10450184 | Red/10450189 | |||
| FADER 100mm | ALPS K fader/10300098 | Black/10450088 | n.a. | n.a. | |
| IC'S | TL074/10250305 | UAA180/10250308 | |||
| Transistors | BC546/10250328 | ||||
Master section
| MASTER | FUNCT. | POTS/MISC. | KNOB | CAP | MISC. |
| OUTPUTS | XLR male/1060423 | ||||
| OUTPUTS | Jack ster/10600433 | ||||
| INSERTS | Jack brk/10600432 | ||||
| AUX RET | 2x22KB/10300109 | Black/10450193 | Gray/10450195 | n.a. | |
| AUX SEND1/2 | 10KB/10300104 | Black/10450193 | Gray/10450195 | n.a. | |
| PHONES | 22KBX2/10300109 | Black/10450193 | Gray/10450195 | n.a. | |
| FADERS | ALPS K fader/10300098 | Black/10450088 | n.a. | n.a. | |
| IC'S/Transistors | TL071/10250303 | TL072/10250304 | TL074/10250305 | ||
| NE5532/10250307 | BC546/10250328 | UAA180/10250308 | |||
| POWER SUPPLY | UA723/10250313 | 2N3055/10250336 | 7824/10250324 |