B2.7S
©2025, bulb_tester2009
Introduction
B2.7S MoHa-Radio, developed by BT09 based on first-generation standard circuitry, this amplification-adjustable magnetic pickup achieves enhanced performance through significantly modified circuitry. It was also the industry’s first magnetic pickup featuring three-stage amplification adjustment. Due to its great popularity, this model has been extensively manufactured under license by multiple vendors.
Details
| Publisher | bulb_tester2009 |
| Release Date | July 2024 (2024.7) |
| 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 | 7.6x (Min)/15.7x/26x 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 | ¥40 CNY (incl. battery) |
| Last Production | Still in production |
| Status | Not accepting new orders |
| Availability | Sold out |
| Documentations | User Manual |