AKG P420 Manual de usuario

BEDIENUNGSANLEITUNG

.................................

Bitte vor Inbetriebnahme des Gerätes lesen!

USER INSTRUCTIONS..................................... 14

Please read the manual before using the equipment!

MODE D’EMPLOI............................................ 26

Veuillez lire cette notice avant d’utiliser le système!

MODO DE EMPLEO......................................... 38

¡Sirvase leer el manual antes de utilizar el equipo!

P420

14 P420

Table of Contents

1Safety and the environment .............................................................15

Environment.......................................................................................15

2Description .......................................................................................16

Introduction........................................................................................16

Contents ............................................................................................16

Optional Accessories...........................................................................16

Short description ................................................................................16

Features.............................................................................................17

3Connecting to Audio Equipment .......................................................18

General..............................................................................................18

Pinout................................................................................................18

Connecting the Microphone.................................................................18

4Operation..........................................................................................19

Operating instructions.........................................................................19

Selecting Polar Patterns ......................................................................20

5Cleaning ...........................................................................................21

Microphone........................................................................................21

6Troubleshooting................................................................................22

7Technical data..................................................................................23

Table of Contents

P420 15

Safety and the environmen

ATTENTION

Risk of damage

Please make sure that the piece of equipment your microphone will be

connected to fulfills the safety regulations in force in your country and is fitted

with a ground lead.

At the end of the lifetime of the product, disconnect the housing, electronics

and cable from each other and discard all components according to

applicable disposal regulations.

The packaging is recyclable. Dispose of the packaging via an appropriate

collection system provided for this purpose.

1Safety and the environment

Environment

16 P420

Description

Thank you for your decision to buy an AKG product. Please read the user

instructions carefully before using the unit and keep them in a safe place so

that you can refer to them in the future at any time. We wish you a lot of fun and

success!

Microphone

Spider shock mount

Carrying case

Check that the packaging contains all of the items listed for your system. If

anything is missing, please contact your AKG dealer.

PF80 pop filter

ST305 table stand

W4000 external windscreen

The P420 is a heavy-duty, rugged true condenser microphone built to the same

strict quality standards as all other AKG products.

Designed on the basis of AKG’s decades of knowhow and feedback from sound

engineers around the world using AKG studio microphones every day, this

general-purpose 1" dual large-diaphragm microphone brings AKG studio quality

to the worlds of recording, live sound, and broadcasting.

2Description

Introduction

Contents

Optional Accessories

Short description

P420 17

Description

Selectable polar patterns: The microphone's transducer uses a dual

diaphragm. This sophisticated technology allows you to select the optimum

polar pattern (cardioid, omnidirectional, or figure eight) for every

application.

Gold-sputtered diaphragm: The diaphragm is made of a plastic foil that is

gold-sputtered on one side only to prevent shorting to the back electrode

even at extremely high sound pressure levels.

All-metal body: The all-metal body adds to the rejection of RF interference

so you can use the microphone near transmitter stations and along with

wireless microphones or other communications equipment. The extremely

rugged, heavy body and sturdy front grill protect the microphone from

damage from tough handling on stage.

High headroom, minimum distortion: Capable of handling sound

pressure levels up to 155 dB without introducing perceptible distortion and

built to resist high temperatures and humidity, the microphone will give

excellent results in a wide range of applications.

Figure 1: Polar pattern selector on P420 front, preattenuation and bass cut

switches on rear

Polar pattern selector: Selector 1 on the microphone front sets the

microphone polar pattern to cardioid, omnidirectional, or figure eight.

Switchable preattenuation pad: Selector 2 on the microphone rear lets

you increase the headroom by 20 dB for distortionfree close-in recording.

The preattenuation pad prevents the microphone's output level, particularly

at low frequencies, from overloading the miniature transformers used in

many mixer input stages, etc.

Bass cut filter: Selector 3 on the microphone rear further reduces low-end

distortion caused by footfall or wind noise, etc. The filter also minimizes the

proximity effect that close-in miking from less than 4 inches causes in any

unidirectional microphone. The filter rolls off at 12 dB/octave from 300 Hz

downward.

Features

18 P420

Connecting to Audio Equipment

The microphone uses a condenser transducer designed for 48-volt phantom

powering to IEC 61938 and needs an external power supply.

The microphone provides a balanced output on a 3-pin male XLR connector:

Pin 1: ground

Pin 2: hot

Pin 3: cold

Figure 2: Connecting to a balanced input with phantom power

1) Use an XLR cable to connect the microphone to a balanced XLR input with

phantom power.

2) Switch the phantom power on. (Refer to the user manual of the unit to

which you connected your microphone.)

3Connecting to Audio Equipment

General

Pinout

Connecting the

Microphone

P420 19

Operation

The P420 is a general-purpose multi-pattern microphone for recording,

broadcast, and onstage use.

Every instrument radiates its sound in a specific way. Therefore, to get the best

sound it is crucial to experiment with microphone placement.

Whichever polar pattern you selected, it

may be good to know which way the

transducer axis is facing: the front of the

microphone is the side of the body with

the AKG logo and polar pattern selector

(1) on it.

When recording wind instruments or

vocals, make sure not to blow or sing

directly into the microphone.

To avoid unwanted wind and pop noise or

moisture problems, place an optional

PF80 pop screen from AKG between the

microphone and vocalist/instrument.

Keep the microphone dry. Moisture

from blowing or singing directly at the

capsule from a short distance, or

extremely high humidity may cause the

microphone to start crackling or go very

quiet due to partial short circuits in the

polarization voltage.

If you use the microphone in the open

air, use an optional AKG W4000 windscreen to protect the microphone

from moisture and reduce wind noise.

High volume instruments: You can use this microphone for close-in

recording of very loud instruments (brass instruments, kick drum, etc.).

Just switch the preattenuation pad in to increase the microphone's

capability of handling sound pressure levels to 155 dB.

Low-frequency noise: To suppress low-frequency noise such as air

conditioning rumble, footfall noise, or traffic sounds, switch the bass cut

filter in.

4Operation

Operating instructions

Figure 3: Microphone front

20 P420

Operation

Each of the P420's selectable polar patterns is virtually frequency independent

so that reflected sound, too will be reproduced accurately and uncolored.

Cardioid (center setting): This is a standard setting for recording and gives

excellent results on all kinds of voices and a wide range of instruments.

Remember to aim the microphone front at the sound source.

Figure eight (left-hand setting): The microphone will pick up sounds

arriving from the front and rear with equal sensitivity. Use this mode to mic

up the side signal in M/S stereo recording or to record two sound sources

(talkers, instruments) facing each other. It is also a good choice for cymbal

overhead miking.

Omnidirectional (right-hand setting): This is the preferred setting for "all

around the mic" recording, high quality ambience (audience sound) miking,

or far-field recording in exceptionally good-sounding large or small

recording rooms, etc.

Selecting Polar Patterns

P420 21

Cleaning

Use a soft cloth moistened with water to clean the surface of the

microphone body.

5Cleaning

Microphone

22 P420

Troubleshooting

Problem Possible Cause

Remedy

No sound Power to mixer and/or amplifier is

off.

Switch power to mixer or amplifier

on.

Channel or master fader on mixer,

or volume control on amplifier is at

zero.

Set channel or master fader on mixer

or volume control on amplifier to

desired level.

Microphone is not connected to

mixer or amplifier.

Connect microphone to mixer or

amplifier.

Cable connectors are seated

loosely.

Check cable connectors for secure

seat.

Cable is defective.

Check cable and replace if damaged.

No supply voltage

Switch phantom power on.

Phantom power supply: connect to

power outlet or insert battery

(batteries).

Check cable and replace if

necessary.

Distortion Channel gain control on mixer set

too high.

Turn gain control down CCW.

Microphone too close to sound

source.

Move microphone further away from

sound source.

Microphone sensitivity set too high.

Switch preattenuation pad in.

Crackling noises or low outpu

Partial short circuits due to

excessive humidity.

Place microphone in warm, dry room

and allow to dry.

6Troubleshooting

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