SUPERLUX ECM-888 ไมค์RTAใส่ถ่าน ไมค์RTA ECM888B ไมค์คอนเดนเซอร์ ไมค์ Mic ไมโครโพน ECM-888B ECM888 B ECM888
SUPERLUX ECM-888 ไมค์RTAใส่ถ่าน
ใช้ไฟเลี้ยงจากถ่าน 4LR44
The ECM-888B is a 1/4" standard measurement microphone with internal battery. No external power needed for easier connection to various devices. Such as real time analyzer PC based measurements or palm size devices. Wide and flat frequency response makes this ECM888B an ideal measurement and recording microphone.
Features
- Wide frequency response from 20Hz to 20KHz.
- 1/4" industrial standard dimension.
- Omni directional.
- Internal battery 4LV44 6V battery.
- All metal structure durable and long lasting live time.
Application
- Measurement microphone
Specification
Type :Back electret condenser
Element:Pressure FET preamplifier.
Polar pattern:Omnidirectional
Frequency response:20 to 20000 Hz
Sensitivity :(at 1000 Hz Open Circuit Voltage) -43dBV/Pa (7.1mV/Pa) ±3dB 1Pa=94dB SPL
Rated impedance:800Ω
Minimum load impedance:3000Ω
Equivalent noise level:(A-weighted)22dB
Max. SPL (1 kΩ load):128dB SPL (THD≦1% 1kHz)
Dynamic range (1 kΩ Load):106dB
Signal-to-noise ratio:72 dB
Power supply :4LR44 6V battery
Current consumption :0.5mA >300 hour
Polarity : Pin 2 output positive voltage (related to pin 3) when diaphragm receives positive pressure. (Diaphragm moving inward)
Connector :3 pin male XLR type
Finish:Metal construction with champagne painted finish
Environmental conditions : The ECM888B operates between -10℃ to +50℃(14℉ to 122℉) with relative humidity between 0 to 95%.
Dimensions:Φ21.0x170.0mm (0.83x6.70 in.)
Weight:150g (5.30 oz.) Battery excluded
The ECM888B including the product and packages follow the instruction of EU 2002/95/EC and comply to RoHS.
(4.95)
(4.32)