Yaesu mh 31a8j schematic

DYNAMIC MICROPHONE

8

8

MH-31A8J

Technical Supplement

©2003 VERTEX STANDARD CO., LTD. Printed in Japan.

E068790A

1 8

S8100376

MIC ELEMENT

VERTEX STANDARD CO., LTD.

4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan

VERTEX STANDARD

US Headquarters

10900 Walker Street, Cypress, CA 90630, U.S.A.

International Division

8350 N.W. 52nd Terrace, Suite 201, Miami, FL 33166, U.S.A.

YAESU EUROPE B.V.

P.O. Box 75525, 1118 ZN Schiphol, The Netherlands

YAESU UK LTD.

Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.

VERTEX STANDARD HK LTD.

Unit 5, 20/F., Seaview Centre, 139-141 Hoi Bun Road,
Kwun Tong, Kowloon, Hong Kong

S8100380

CURL CORD ASS’Y

Specifications

Microphone Type: Dynamic

Microphone Impedance: 190-ohm ±30 % at 1 kHz (tone 1)

Microphone Sensitivity: -78 dB ± 3 dB at 1 kHz, 0 dB = 1 V / 0.1 Pa (tone 1)

Audio Tone Response: tone1, full range

tone2, -14 dB ± 3 dB at 100 Hz

Weight (approx.): 183 g.

Circuit Diagram

DWN

UP

77
66

TONE

MIC

PTT

FST

1 2

0.33uF

55

W

0
8
6

44
33
22
11