Preamp Stage
AssemblyLow-noise microphone preamplifier with variable gain. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Preamp Stage
5 top-level lines as of r93235| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Preamp IC | karaoke-microphone-preamp-ic | 1× | 1 | · | part |
| 2 | Input Trim Pot | karaoke-microphone-preamp-pot | 1× | 1 | · | part |
| 3 | Input Filter | karaoke-microphone-input-filter | 1× | 1 | · | part |
| 4 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 5 | SMD Passive (R/C/L) | smd-passives | 15× | 15 | · | part |