Discontinued
Subminiature Cardioid Condenser Headworn Microphone
BP894
BP894
Features
- Features a rotating capsule housing with talk-side indicator for use on either ear and perfect polar pattern placement
- Provides superior intelligibility and clean, accurate reproduction for the most demanding house of worship user, lecturer, broadcaster or theater performer
- Handles high sound pressure levels with ease
- Extremely intelligible natural audio
- Inconspicuous, lightweight headset with capsule diameter of just 2.8 mm is ideal for applications requiring minimum visibility
- Ergonomic under-ear design—flexible, lightweight contoured loop hooks behind the ear for an ultra-secure, comfortable fit with or without glasses
- Comes equipped with AT8464 Dual-Ear Microphone Mount that converts single ear-worn MicroSet to a dual-ear-worn unit for maximum stability and comfort
- High-pass filter on power module provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
- Available in black and beige, wired and wireless models: BP894 – includes AT8539 power module BP894-TH – same as BP894, but in "theater" color (beige) BP894c – less power module; 55" (1.4 m) cable, unterminated BP894c-TH – same as BP894c, but in "theater" color (beige) BP894cH – less power module; 55" (1.4 m) cable terminated with a screw-down 4-pin connector for use with Audio-Technica wireless systems featuring cH-style connector BP894cH-TH – same as BP894cH, but in "theater" color (beige) BP894cW – less power module; 55" (1.4 m) cable terminated with a locking 4-pin connector for use with Audio-Technica wireless systems featuring cW-style connector BP894cW-TH – same as BP894cW, but in "theater" color (beige) BP894cL4 – less power module; 55" (1.4 m) cable terminated for Sennheiser wireless systems using Lemo connector BP894cL4-TH – same as BP894cL4, but in "theater" color (beige) BP894cLM3 – less power module; 55" (1.4 m) cable terminated for Sennheiser wireless systems using locking 3.5 mm connector BP894cLM3-TH – same as BP894cLM3, but in "theater" color (beige) BP894cT4 – less power module; 55" (1.4 m) cable terminated with TA4F-type connector for Shure wireless systems BP894cT4-TH – same as BP894cT4, but in "theater" color (beige)
Specifications
| Microphones | |
|---|---|
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 20-20,000 Hz |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave (wired only) |
| Open Circuit Sensitivity | -49 dB (3.5 mV) re 1V at 1 Pa |
| Maximum Input Sound Level | 135 dB SPL, 1 kHz at 3% T.H.D. |
| Dynamic Range | 104 dB, 1 kHz at Max SPL (wired only) |
| Signal-to-Noise Ratio | 63 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 11-52V DC, 2 mA typical (wired only) |
| Switches | Flat, roll-off (wired only) |
| Current Consumption | 0.1 mA typical at 5V (wireless only) |
| Voltage Range | 2.5-11V (wireless only) |
| Weight (Microphone) | Microphone, boom & earpiece: 2.0 g (0.07 oz) |
| Weight (Power Module) | 85 g (3.0 oz) (wired only) |
| Cable | 1.4 m (55") long (permanently attached to microphone), 1.6 mm (0.06") diameter, 2-conductor shielded cable with locking 4-pin connector (wired only) |
| Dimensions | Microphone: 6.5 mm (0.26") long, 2.8 mm (0.11") diameter Boom: 107.4 mm (4.23") long, 1.09 mm (0.04") diameter |
| Dimensions (Power Module) | 97.6 mm (3.84") long, 18.9 mm (0.74") diameter (wired only) |
| Output Connector (Power Module) | Integral 3-pin XLRM-type |
Downloads
BP894 Submittal Sheet