Sony Professional ECM-44B, Affordable Omni-directional lavalier Electret condenser microphone

Sony Professional ECM-44B, Affordable Omni-directional lavalier Electret condenser microphone

Sony has made over five million professional ECM (Electret Condenser Microphones) microphones and the ECM-44 is the affordable, general voice model. It gives good sound quality and is broadly used in business presentation systems and TV production. The ECM-44 is available in four versions, featuring different connector types. This model, Sony Professional ECM-44B, is the XLR version with a power barrel for use as a wired microphone.

Convenient to use

The ECM-44 is an affordable alternative to the traditional handheld microphone and being 'hands-free' it allows the presenter to concentrate on her/his performance

Professional image

Either 'in front of a camera' or at a business presentation the ECM-44 creates a professional and tidy image.

Easy to use

It can often be difficult to achieve good quality voice pick-up but the ECM-44 can help get good results. The microphone's capsule is designed for general voice pick-up with a mid-frequency emphasis characteristic and a suitable frequency response.

Sony Professional ECM-44B Main Features

• Tuned for voice pick-up: The ECM-44's capsule features an emphasis curve and a suitable frequency response for voice pick-up.
• Compact size: The capsule has a diameter of only 8.5mm and is 14.5mm long.
• Ready for wired applications: The ECM-44B is the wired version with an XLR output and integral power supply barrel. This version is to be powered internally by a battery (LR6 or AA size). A single AA battery will provide several thousand hours of use.
  

Audio Section

• Capsule Type: Electret Condenser
• Frequency Response: 40 Hz to 15kHz
• Directivity: Omni-directional
• Sensitivity *[1]: -53.0 dB ±3 dB
• Output Impedance *[2]: 250Ω±20%, Balanced
• Dynamic Range: 90 dB or more
• Signal-to-Noise Ratio *[3]: 62 dB or more
• Inherent Noise *[4]: 32 dB SPL or less
• Induction Noise From External Magnetic Field *[5]: 5 dB SPL or less
• Wind Noise *[6]: 40 dB SPL or less (with windscreen)
• Maximum Input Sound Pressure Level *[7]: 122 dB SPL

General Section

• Connector: B type. Supplied with XLR-3-12C (male) connector in power supply unit (single AA size battery)
• Mic Cable: 9.8 feet /3m
• Power Requirements: Phantom Power Not Supported / DC 1.5 V (AA size battery)
• Battery Operating Time: Approx. 6000 h (LR6)
• Power Consumption: 0.3 mA or less
• Dimensions *[8]: φ8.5 x 14.5 mm (Mic head), φ20.0 x 126 mm (Power unit XLR type), φ13/16 x 5 inches (Power unit XLR type), φ11/32 x 19/32 inches (Mic head)
• Mass: Approx. 4.3 oz (with power supply unit) / Approx. 121 g (with power supply unit)
• Supplied Accessories: Urethane type windscreen (1), Single/horizontal type tie clip (1), Operating instructions (1), Mic case (1)
• Optional Accessories: Windscreen pack, Horizontal single-clip pack

Notes

• *[1] 0 dB = 1 V/Pa, at 1 kHz
• *[2] Output impedance at 1 kHz
• *[3] A-weighted, 1 kHz, 1 Pa.
• *[4] 0 dB SPL = 20 μPa.
• *[5] dB SPL/1E-7 T, 0 dB SPL = 20 μPa.
• *[6] Wind noise at 6.56 ft/s (0 dB SPL = 20 μPa.)
• *[7] 0 dB SPL = 20 μPa.
• *[8] The values for dimensions are approximate.