| Attribute | Value |
| Length | 216 mm |
| Weight | 716 g |
| Name | Bock Audio 251 |
| Brand | Bock Audio |
| Pickup Pattern | - Bidirectional
- Cardioid
- Omnidirectional
|
| Sensitivity | 19 mV/Pa |
| Range | 10 - 18,000 Hz |
| Diaphragm Diameter | 25 mm |
| Impedance | 200 Ohm |
| Sound Pressure Level (SPL) | 94 dB |
| Max Diameter | 52 mm |
| Interfaces | |
| Includes Tube Power Supply | + |
| Pads | Add |
| Filters | Add |
| Capsule Diameter | Add |
| Diaphragm Gauge | Add |
| Self-Noise | Add |
| SPL/Self-Noise Ratio | Add |
| Requires Phantom Power | Add |
| Phantom Voltage | Add |
| Has Battery Compartment | Add |
| Battery compartment type | Add |