Kenwood MC 80 Microphone Manual

The Kenwood MC 80 is a professional-grade dynamic microphone designed for amateur radio and communication applications. Featuring a cardioid polar pattern, robust construction, and push-to-talk functionality, it delivers clear audio transmission with excellent noise rejection. Compatible with various Kenwood transceivers and communication equipment, the MC 80 offers reliable performance in demanding environments. Below are key sections covering features, specifications, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Specifications 3. Installation & Connection 4. Operation Guide 5. Controls & Functions 6. Maintenance & Care 7. Compatibility 8. Safety Information 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Dynamic microphone element, Push-to-Talk (PTT) switch, 8-pin modular connector, adjustable hanger bracket, and coiled cable.

Feature	Description
Microphone Type	Dynamic moving coil
Polar Pattern	Cardioid (unidirectional)
Connector	8-pin modular plug
Cable Length	Coiled cable (extended length approx. 1.5m)
PTT Switch	Momentary push-to-talk with lock function
Frequency Response	300Hz - 3000Hz
Impedance	600 ohms
Element	Dynamic with built-in transformer
Weight	Approximately 300g (including cable)
Mounting	Adjustable hanger bracket included

Specifications

Type: Dynamic microphone
Frequency Response: 300Hz - 3000Hz
Impedance: 600 ohms
Polar Pattern: Cardioid
Sensitivity: -70 dB (0 dB = 1V/Pa at 1kHz)
Connector: 8-pin modular plug
Cable: Coiled, approximately 1.5m extended length
Dimensions: 45mm diameter x 180mm length
Weight: 300g (including cable)
Operating Temp: -10°C to +50°C

Installation & Connection

Proper installation ensures optimal performance and longevity.

Identify the microphone jack on your Kenwood transceiver (typically labeled "MIC")
Align the 8-pin connector with the socket on the transceiver
Firmly push the connector into place until it clicks
Secure the microphone using the adjustable hanger bracket if needed
Ensure the coiled cable has sufficient slack for comfortable operation

WARNING! Never force the connector. Ensure proper alignment before insertion to prevent damage to pins.

Operation Guide

Basic operation procedures for effective communication.

Hold the microphone approximately 3-5cm from your mouth
Press and hold the PTT switch to transmit
Speak clearly in a normal voice tone
Release PTT to receive
For extended transmission, engage the PTT lock function
Adjust microphone position for optimal audio levels

Tip: Maintain consistent distance from microphone for uniform audio levels.

Controls & Functions

Primary controls and their functions.

PTT Switch: Momentary push-to-talk button with lock mechanism for extended transmission.

Microphone Element: Dynamic moving coil for reliable voice transmission.

Connector Pinout: Pin 1: Audio Pin 2: Ground Pin 3: PTT Pin 4-8: Various functions depending on transceiver model

Hanger Bracket: Adjustable mounting bracket for secure placement.

Maintenance & Care

Proper maintenance ensures long-term reliability.

Clean exterior with dry, soft cloth only
Keep microphone away from moisture and extreme temperatures
Store in clean, dry environment when not in use
Periodically inspect cable and connector for damage
Avoid dropping or subjecting to mechanical shock

CAUTION! Never use solvents or abrasive cleaners. Do not immerse in water.

Compatibility

Designed for use with various Kenwood transceivers including:

Kenwood TS-系列 transceivers
Kenwood TM-系列 mobile radios
Other Kenwood equipment with 8-pin microphone connectors
Compatible with similar pinout configurations

Note: Verify compatibility with specific transceiver model before purchase.

Safety Information

Important safety precautions for proper usage.

Use only with compatible Kenwood equipment
Do not modify the microphone or cable
Keep away from children and pets
Avoid exposure to water and extreme temperatures
Disconnect during electrical storms
Have qualified technician perform any repairs

WARNING! Unauthorized modifications may void warranty and create safety hazards.

Regulatory Information

FCC Part 15: Class B digital device compliance. CE marked for European market. Manufactured to meet international quality standards. Copyright © Kenwood Corporation. All trademarks are property of their respective owners. For technical support, contact authorized Kenwood service centers or visit www.kenwood.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No transmission	PTT switch failure	Check PTT operation; verify connector seating
Weak or distorted audio	Microphone element damage	Test with another microphone; check transceiver settings
Intermittent operation	Cable damage	Inspect cable for breaks; check connector pins
No PTT function	Connector pin issue	Verify pin alignment; clean connector contacts
Background noise	Shield damage	Check cable shielding; ensure proper grounding

Service: Contact authorized Kenwood service center for repairs. Do not attempt internal repairs.

Support: www.kenwood.com or contact local Kenwood distributor