รหัสสินค้า : ECM-888B

ไมค์ RTA ยี่ห้อ Superlux รุ่น ECM-888B

รายละเอียดสินค้า :

Electret Condenser Microphone

-POLAR PATTERN : Omni-Directional

-FREQ : 20Hz-20KHz

-SEN : -43dBV/Pa ; 800 OHM

-CONNECTOR : 3 Pin XLR Gold Plated

**ใช้ไฟเลี้ยงจากถ่าน (4LR44)**

รายละเอียดทั้งหมด :

Measurement Microphone Superlux ECM-888B

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 20,000 Hz 

Sensitivity :(at 1,000 Hz Open Circuit Voltage) -43dBV/Pa (7.1mV/Pa) ±3dB 1Pa=94dB SPL

Rated impedance:800Ω 

Minimum load impedance:3,000Ω 

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.