Microphone Preamplifier Assembly
Low-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.
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Bill of materials
7 top-level lines · 7 rows shown · 7 parts total · indented to 3 levels| # | 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 |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳Foxconn foxconn.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |