AKG PCC170 Manual

AKG Mikrofon PCC170

Læs gratis den danske manual til AKG PCC170 (2 sider) i kategorien Mikrofon. Denne vejledning er vurderet som hjælpsom af 9 personer og har en gennemsnitlig bedømmelse på 4.6 stjerner ud af 5 anmeldelser. Har du et spørgsmål om AKG PCC170, eller vil du spørge andre brugere om produktet?

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Side 1/2

PHASEC O H E RE NT

CARDIOID

MICROPHONE

he A K G / C r o w n PCC170 (left) is a

surface-mounted supercardioid

microphone of professional quality. This

handsomely styled unit is appropriate

for use on the most elegant boardroom table or

lectern. Other applications include churches,

courtrooms and council chambers.

Because of its highly directional pickup pattern,

the PCC170 minimizes background noise and

feedback. The microphone reproduces the voice

with a clean, clear and natural sound.

Since the microphone capsule is placed on a

boundary or surface, direct and reflected sounds

arrive at the diaphragm in-phase. This coherent

addition of direct and reflected waves increases

sensitivity 6 dB and prevents phase cancella-

tions. The mic capsule is small enough to ensure

phase coherency up to the highest frequencies in

the audible spectrum, resulting in a wide, smooth

frequency response free of phase interference.

Clarity and reach are also enhanced.

Self-contained electronics eliminate the need for

an in-line preamp. Powered by 12-48V phantom

power, the PCC170 has a low-impedance mic-

level balanced output which permits long cable

runs without hum pickup or high-frequency loss.

The connector is a Switchcraft TB3M.

RFI suppression is included. Self-noise is low

and sensitivity is very high. A bass-tilt switch

allows the user to tailor the low-end response for

particular applications.

The PCC170 SW Version (right) has

additionally a silent-operating programmable

membrane switch that can be configured for

touch ON/OFF, momentary ON or

momentary OFF. The PCC170 SW O looks

identical to the PCC170 SW but features a

pair of extra leads in the mic cable to allow

isolated remote sensing of the microphone

switch closure.

How to Set the Bass Tilt Switch

On the bottom of the microphone is a BASS-TILT

switch with three positions: FLAT, CUT, and

BOOST. It adjusts the low-frequency response as

shown in Fig. 1.

• The FLAT position provides a flat low-frequency

response, for normal usage. The PCC170 is

shipped from the factory in FLAT position.

• The CUT position rolls off the bass, useful in

noisy or boomy surroundings.

• The BOOST position boosts the bass for a more

natural sound when the mic is used on a small

surface such as a lectern.

How to Adjust the High-Frequency Response

The microphone is factory-set for flat response at

high frequencies. You can raise or lower the

high-frequency response for special applications.

Please follow this procedure:

1. On the bottom of the microphone, find the

hole labeled HF ADJ. This trim pot adjusts the

high-frequency response as shown in Fig. 1.

Specifications

Type: Phase Coherent Cardioid

Element: Electret condenser.

Frequency response (typical):

50 Hz to 20,000 Hz at 30 degrees incidence to

surface (see Fig. 1).

Polar pattern: Half-supercardioid (supercardioid in

the hemisphere above the primary boundary).

See Figs. 2 and 3.

Impedance: 150 ohms, balanced (recommended

load impedance 1000 ohms or greater).

Open circuit sensitivity (typical): 22 mV/Pa*

(–33 dB re 1 volt/Pa).

Power sensitivity: –30.5 dB re 1 mW/Pa* .

EIA rating –125 dBm.

Equivalent noise level (self-noise): 22 dB SPL

typical (0 dB = .0002 dyne/cm

), A-weighted.

S/N ratio: 72 dB at 94 dB SPL..

Maximum SPL: 120 dB SPL produces 3% THD.

Polarity: Positive pressure on the diaphragm pro-

duces positive voltage on pin 2 with respect to

pin 3.

Operating voltage: Phantom power, 12 to 48 volts

DC on pins 2 and 3 with respect to pin 1.

Current drain: 4 mA nominal.

Connector: Switchcraft TB3M

Cable: 15-foot, black, two-conductor shielded

cable with Switchcraft TA3F and A3M connec-

tors.

Materials: High-impact molded plastic and steel

mesh grille.

Finish: black.

Net weight: 6 oz. (170 g).

Dimensions: See Figs. 4 and 7.

Optional accessories: A K G / Cro w n PH1A phantom

power supply (single channel, battery or AC

adapter powered), AKG / Crown PH4B phantom

power supply (4 channels, AC powered).

* 1 pascal = 10 dynes/cm

= 10 microbars = 94 dB SPL.

Fig. 1

Fig. 2

Fig. 3

Frequency Response

Frequency in Hz

Vertical-Plane Polar Response

Horizontal-Plane Polar Response

PCC170

PCC170 SW

PCC170 SW O

Produkt Specifikationer

Mærke:	AKG
Kategori:	Mikrofon
Model:	PCC170

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