BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Preamplifier Module

Assembly

High-impedance input buffer converting microvolt-level capsule signal to line-level balanced output, with phantom power biasing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Preamplifier Module parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below
Preamplifier Module parts diagram: 1 bare PCB, 2 input transformer, 3 line driver IC, 4 SMD passive (R/C/L), 5 connector. 6 parts in 5 top-level items.
Preamplifier Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Bare PCB 1× Microphone amplifier PCB, 40 mm × 50 mm
2 Input Transformer 1× High-impedance audio transformer for capsule matching
3 Line Driver IC 1× Balanced line driver IC, ±10 V swing
4 SMD Passive (R/C/L) 2× Capacitors, resistors for impedance and frequency correction
5 Connector 1× 3-pin XLR female jack for balanced input

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Preamplifier Module

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bare PCB pcb-bare 1× 1 · part
2 Input Transformer shotgun-microphone-input-transformer 1× 1 · part
3 Line Driver IC shotgun-microphone-output-driver 1× 1 · part
4 SMD Passive (R/C/L) smd-passives 2× 2 · part
5 Connector connector 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the preamplifier module is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks