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10

PERCEPTION 820 TUBE

4 Using the Microphone

4.3 Selecting 

Polar Patterns

4.4 Hints on Microphone

Placement

4.4.1 Lead Vocals

Fig. 5: Solo vocalist.

4.4.2 Choir/

Backing Vocals

Fig. 6: Miking a large 

mixed choir.

Each of the PERCEPTION 820 TUBE’s selectable polar patterns is virtually frequency inde-
pendent so that reflected sound, too will be reproduced accurately and uncolored.

Omnidirectional (left-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.

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 mi-
crophone front (see fig. 4 on page 8) at the sound source.

Figure eight (right-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.

Every instrument radiates its sound in a specific way. Therefore, to get the best sound, do
not hesitate to experiment with microphone placement.
As an introduction to the “secret science of making good recordings”, the following sections
describe some proven miking techniques. (Illustrations show generic microphones.)

• Place the microphone 6 to 12 in.

(15 to 30 cm) from the vocalist’s
mouth.

• Select the cardioid polar pattern:

set the polar pattern selector to
cardioid (

).

• Switch the bass cut filter in: set

the bass cut switch to “

” .

• We strongly recommend placing

a PF 80 pop screen (available as
an optional accessory) between
the microphone and vocalist to
eliminate pop noise.

• To give the vocalist better control

of their own voice, we recom-
mend adding the vocalist's track
to their headphone monitor sig-
nal.

• To record 

large mixed choirs

, we

recommend using a pair of car-
dioid microphones to get a stereo
signal, plus one PERCEPTION 820
TUBE each for the soprano, alto,
tenor, and bass sections.

Set each PERCEPTION 820
TUBE to cardioid (

).

- Place each microphone about 

5 feet (1.5 m) in front of the re-
spective section, about 6 feet
(1.8 m) above the ground.

- Aim each microphone at the

center of its assigned section.

B

T

A

S

60°

60°

P 820

P 820

P 820

P 820

Содержание PERCEPTION820 TUBE

Страница 1: ...USER INSTRUCTIONS p 2 Please read the manual before using the equipment MODE D EMPLOI p 20 Veuillez lire cette notice avant d utiliser le syst me PERCEPTION820TUBE...

Страница 2: ...Down 8 4 Using the Microphone 9 4 1 Introduction 9 4 2 Bass Cut Filter 9 4 3 Preattenuation Pad 10 4 4 Hints on Microphone Placement 10 4 4 1 Lead Vocals 10 4 4 2 Choir Backing Vocals 10 4 4 3 Trumpe...

Страница 3: ...l not use the equipment for a long period of time disconnect the equipment from power Please note that the equipment will not be fully isolated from power when you set the power switch to OFF 8 Discon...

Страница 4: ...ngs a degree of warmth and musicality that is difficult to achieve with solid state microphones The microphone incorporates a carefully selected ECC 83 tube If the tube needs replacing you may alterna...

Страница 5: ...y mixer input stages etc D Bass cut switch This toggle switch lets you reduce low end distortion caused by foot fall or wind noise etc The bass cut filter also minimizes the proximity effect that clos...

Страница 6: ...J GROUND LIFT This pushbutton switch allows you to remove hum caused by ground loops To open the chassis ground connection press the GROUND LIFT button OUT LIFT po sition To restore the chassis groun...

Страница 7: ...he rear panel to the correct position as shown in Table 1 below 3 Referring to Table 1 above use the correct power cord to connect the Remote Control Unit to a grounded power outlet When on tour you m...

Страница 8: ...ide the microphone to heat up properly 1 Set the power switch on the Remote Control Unit rear panel to 0 The front panel POWER LED will go out 2 Wait for five minutes to allow the tube to cool down to...

Страница 9: ...nt 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 crack ling or go very quiet due t...

Страница 10: ...other It is also a good choice for cymbal overhead miking Every instrument radiates its sound in a specific way Therefore to get the best sound do not hesitate to experiment with microphone placement...

Страница 11: ...chnique 1 Refer to section 4 4 1 Lead Vocals above If you have enough tracks avail able we recommend overdub bing each voice separately Backing vocals technique 2 If you use a separate micro phone for...

Страница 12: ...om Electric bass Use the same technique as for the electric guitar You can use a DI box to add the direct signal of the line output on the bass amp to the microphone signal Solo violin Set the polar p...

Страница 13: ...s above Cello technique 2 Use a close in microphone as in technique 1 above plus a distant microphone Set the level of the close in microphone approx 20 dB lower than the distant mic level We recommen...

Страница 14: ...PERCEPTION 820 TUBE or a stereo pair see section 4 4 2 Choir at the middle strings from a height of 5 to 7 feet 1 5 to 2 m For a rock pop sound place two microhones roughly 8 to 16 in 20 to 40 cm abov...

Страница 15: ...the drummer s head Set each microphone to car dioid or omnidirectional mode Use little or no EQ This tech nique will pick up the entire kit delivering a highly natural sound Cymbals To record cymbals...

Страница 16: ...nt inside the Remote Control Unit To avoid elec tric shock injury and fire UNDER ALL CIRCUMSTANCES disconnect the power cord from the Remote Control Unit before replacing a fuse To avoid damage replac...

Страница 17: ...red level 3 Connect microphone to mixer or recording device 4 Check cable connectors for secure seat 5 Check cables and replace damaged cable s 6 Check POWER LED Switch power to Remote Control Unit on...

Страница 18: ...weighted 78 dB Max SPL 135 155 dB SPL 0 20 dB Preattenuation pad 20 dB switchable on Remote Control Unit Bass cut filter slope 12 dB octave 80 Hz switchable on Remote Control Unit Environment tempera...

Страница 19: ...19 PERCEPTION 820 TUBE 7 Specifications Frequency Response Polar Diagram Omni directional Cardioid Figure Eight...

Страница 20: ...com Dieses Produkt entspricht den in der Konformit tserkl rung angegebenen Normen Sie k n nen die Konformit tserkl rung auf http www akg com oder per E Mail an sales akg com anfordern Questo prodotto...

Страница 21: ...39 PERCEPTION 820 TUBE Notes Notes...

Страница 22: ...es Fones de ouvido Microfones s fios Fones de ouvido s fios Microfones de cabe a Componentes ac sticos Technische nderungen vorbehalten Specifications subject to change without notice Ces caract risti...

Страница 23: ...dable tube microphones the Perception 820 Tube delivers real tube sound quality The Perception 820 Tube s features are endless The dual one inch True Condenser Large Diaphragm capsule delivers a clear...

Страница 24: ...00 Ohms Equivalent noise level 16 dB A Signal Noise ratio 78 dB A weighted Maximum SPL 135 155 dB SPL 0 20 dB Pad Attenuation Pad 20 dB switchable on remote control unit Low cut filter 80 Hz 12 dB oct...

Страница 25: ...Perception 820 Tube 3101H00100 AKG Service Department Lemb ckgasse 21 25 A 1230 Wien Austria Tel 431 86654 0 FAX 431 86654 1514 e mail service akg com 10 09 7 13 2 3 4 1 5 6 12 1 8 11 10 9 1 2...

Страница 26: ...kabel Rubber band 5 3101M71010 2 Gummiband Tube 6 3101M62010 1 R hre PCB assy microphone 7 3101M61010 1 Mikrofonprint kompl Switch 8 3101M54010 2 Schalter Switch assy with knob 9 3101M52010 1 Schalter...

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