B2.5 (Phase 1 Prototype)
©2024, bulb_tester2009
Introduction
B2.5 (Phase 1 Prototype) is delevoped on our gen.1 circuit platform. As the first independently designed unit by bulb_tester2009, it builds upon the C2.3 model, including portability, swappable induction modules, and operational stability. Its breakthrough modular op-amp design delivers the customization capabilities.
Details
| Publisher | bulb_tester2009 |
| Release Date | January 2024 (2024.1) |
| Circuit Generation | Gen 1 (Standard) |
| Dimensions | 30*38*70mm（excl. components） |
| Battery | 9V 6F22 or 6LR61 (rechargeable compatible) |
| Op-Amp Model | Default: NE5532 (supports DIP-8 replacements) |
| Gain | Min 7.6× Max 100× (modified) |
| Enclosure Material | Aluminum Alloy |
| I/O Ports | 3.5mm TRS (monitoring) 3.5mm TRRS (recording) 4×2.54mm (for installing inductor) |
| Price | ¥30 CNY (incl. battery) |
| Last Production | 2024.2 |
| Status | EOL |
| Availability | Sold out |
| Documentations | User Manual(Click here) |