MicW Audio I236L Manual de usuario

I236L User’s Manual

i236L

Professional Class 2 Microphone

www.micwaudio.com

CALIBRATION REPORT

Product Information

Model No: i236L

Serial No:

Description: 1/4” Free Field

Digital Microphone with

Lightning Connector

Calibration Data

Sensitivity: dBFS

NoiseLab Correction: dB

Technician:

Date: yyyy/mm/dd

TEST

ENVIRONMENTAL

CONDITIONS

Temperature: 25℃

Humidity: 65%

Pressure: 101.3kPa

Notes:

1. The refernce microphone for calibratiaon is traceable from the Natioinal Institute of

Metrology(NIM).

2. Calibration is performed in compaliance with ISO9001:2008.

3. Measurement uncertainty is +/-0.30dB (95% confidence level with a coverage factor of

2).

4. Frenency response is measured by a comparison method “BSWA-III-RD01-0013”.

5. Sound Level meter Class 2( IEC61672-3) was certified with NoiseLab App by Scantek

USA and NIM Lab.

1. INTRODUCTION

Welcome to the MicW i-Series of professional microphones. MicW has been designing and

manufacturing high quality microphones for testing, measuring and studio recording for

over 10 years. The expertise in diaphragm technology allows MicW to provide professional

products for audio applications.

2. SAFETY INSTRUCTION

The microphone come with a pre-polarized capsule, which is tested in extreme

temperatures and humid environments for more than 24 hours. It is designed to operate

from -20℃ to 50℃ and humidity up to 95%.

3. Power Supply

The i236L does not require an additional battery for power.

4. APPLICATIONS

MicW i236L is 1/2” prepolarized free-field digital measurement microphone. It

has omni-directional pattern. It is an ideal choice for iPhone, iPad mobile (iOS

Lightning or Type C connectors ) devices as external microphone. The i236L

is developed based on BSWA MPA436 array microphone which is widely used

in aerospace and automotive industry.

5. FREQUENCY REPONSE

Typical Frequency Response.

Frequency (Hz)

FRes

(dB)

Frequency Hz)

FRes

(dB)

Frequency (Hz)

FRes

(dB)

0.3

250

-0.1

4000

0.1

0.7

500

0.0

8000

1.4

0.5

1000

0.0

16000

0.2

125

0.2

2000

0.0

20000

-3.7

6. MICROPHONE INSTALLATION

Simply plug the i236L into your lightning connector of the iPhone, iPad device.

7. WARRANTY POLICY

MicW Audio warrants that its Products will be free from defects in materials and

workmanship for one (1) year from the date of purchase by the original purchaser.

8. CE MARKING

The MicW i236L microphones conform with the relevant CE mark directives approved by

the European Commission.

i236L matched with NoiseLab

software on iPhone 14 Pro.

9. SPECIFICAITONS

Microphone i236L

Type

Electret Condenser

Capsule Diameter(front)

13.2mm

Capsule Diameter(back)

10.0mm

Total Length

46.6 mm

Principle of Operation

Free-field

Directivity

Omni

Sensitivity

- 17.19 ± 3.0 dBFS

The analog sensitivity of the capsule

– 28.0 dB re 1V/Pa, or 39.8mV/Pa

Correction Factor

-5.11 ±3.0 dB tested with NoiseLab APP

in MID Range

Equivalent Noise Level

23.0 dB(A)

Upper Dynamic Limit

119.0 dB

Frequency Range

20~20,000Hz (complied with IEC 61672

Class 2 requirements at reference

conditions)

T.H.D

< 3% at 119dB SPL

Operating Temperature

-20℃ ~ 50℃

Power Source

Plug and Play

Polarization Voltage

0 V

Weight

13.9g

Connector

Lightning Connector

10. PACKING LIST

• One piece of i236L microphone

• One windscreen for i236L microphone

• No printed usermanual. Please visit http://manual.bswa.com.cn for the product

information

11. SOUND LEVEL METER APPLICATION

The system of i236L microphone and NoiseLab App on iOS device meet the requirement

and pass the cetification of IEC61672 Class 2 sound level meter.

Requirements:

⚫iOS version 10.0 or higher

⚫i236L microphone

⚫NoiseLab App

STEP 1: Search” NoiseLab” in App store on your iOS device and install the app.

STEP 2: Plug i236L into the iPhone, iPad, then launch NoiseLab

STEP 3: Go to the Calibration menu and change the Correction according to the

CALIBRATION REPORT. Or calibrate the system with a standard microphone calibrator.

a member of BSWA Technology Ltd.

Unit 1003, North Ring Center No.18 Yumin Road, Xicheng District, Beijing 100029, China

Phone: +86-10-51285118

Fax: +86-10-82251626

Email: sales@mic-w.com

Web: www.micwaudio.com

MicW microphones

Product: features and specificaitons are subject to change without notice

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