Microphone Preamplifier
AssemblyLow-noise input stage accepting balanced XLR microphone signals, with switchable gain (20–60 dB) and selectable phantom power per channel. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Microphone Preamplifier
7 top-level lines as of r27884| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Input Transformer | channel-strip-preamp-input-transformer | 1× | 1 | · | part |
| 2 | Preamp Op-Amp | channel-strip-preamp-preamp-opamp | 1× | 1 | · | part |
| 3 | Input Gain Potentiometer | channel-strip-preamp-gain-pot | 1× | 1 | · | part |
| 4 | Input Pad Switch | channel-strip-preamp-input-pad-switch | 1× | 1 | · | part |
| 5 | Phantom Power Relay | channel-strip-preamp-phantom-relay | 1× | 1 | · | part |
| 6 | Connector | connector | 1× | 1 | · | part |
| 7 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |