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PHASE COHERENT

CARDIOID MICROPHONE

PCC160

he AKG/Crown

PCC160 (Phase

Coherent

Cardioid

®

) is a surface-

mounted half - supercardioid

microphone intended for professional

applications on stage floors, lecterns,

conference

tables, and news desks—wherever

improved gain-

before-feedback and articulation are important.

Similar to the Pressure Zone Microphone

®

(PZM

®

),the PCC is designed to be used on a

relatively large boundary surface. Unlike the PZM,

the Phase Coherent Cardioid uses a subminiature

supercardioid mic capsule. Its directional polar

pattern improves gain-before-feedback, reduces

unwanted room noise and rejects sounds from the

rear. Surface-mounting creates a “half-supercardi-

oid”polar pattern and increases directivity 3 dB.

Since the microphone capsule is placed on a

boundary, direct and reflected sounds arrive at

the diaphragm in-phase. This coherent addition

ofdirect and reflected waves increases sensitivity

6 dB and prevents phase cancellations. The mic

capsule is small enough to ensure phase coher-

ency 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 box. The PCC160 can be

phantom powered directly from the console or

other remote power sourceproviding 12to 48

volts. If battery power is required, a battery supply

unit can be inserted anywhere in the mic line right

upto the console ormixer. A “bass tilt” switch

allows the user to tailor the low-end response for

particular applications.

Thanks to its low profile and black finish, the

microphone becomes almost invisible in use. A

side-mounted connector complements the form

factor of the PCC160, allowing the unit to be

placed effectively at the stage edge, atthe top ofa

lectern orin other tight spots. If desired, the cable

can be hard-wired for bottom entry.

The heavy-gauge, all steel body protects the unit

from accidental abuse. Permanent mounting is

enabled by screw holes in the base. Engineering

attention-to-detail has assured years of trouble-

free use from this reliable microphone.

Capable ofwithstanding up to120 dBSPL with-

out distorting, the PCC160 will never overload

inpractical use. Its electret condenser capsule

provides a wide, smooth frequency response from

50Hzto18kHz. RFI suppression isincluded.

Self-noise is low, and sensitivity is very high to

override mixer noise in distant-miking applica-

tions. Output impedance is150ohms, balanced.

Features

Industry-standard stage floor microphone

Phase Coherent Cardioid design prevents color-

ation from surface sound reflections

High output overrides mixer input noise

Specifications

Type:

Phase Coherent Cardioid.

Element:

Electret condenser.

Frequency response (typical):

50Hz to 18,000 Hz at

30degrees incidence to surface. See Fig. 1.

Polar pattern:

Half-supercardioid (supercardioid in the

hemisphere above the primary boundary).

See Fig. 2 and Fig. 3.

Impedance:

150ohms nominal (85 ohms actual),

balanced. (Recommended load impedance 1000

ohms or greater.)

Open-circuit sensitivity:

22mV/Pa* (–33 dB re 1

V/Pa*).

Power sensitivity:

–31dBre1 milliwatt/Pa*

EIA rating: - 123 dBm .

Equivalent noise level (self noise):

22dBtypical

(0

dB= 0.0002 dyne/cm

2

),A-weighted.

S/N ratio:

72dBat94 dB SPL.

Maximum SPL for 3%THD:

120 dB SPL.

Polarity:

Positive pressure on the diaphragm pro-

duces positive voltage on pin 2 with respect to pin

3 of output connector.

Cable:

15-foot, black, two-conductor shielded cable

with Switchcraft TA3F connector and A3M con-

nector.

Operating voltage:

Standard phantom power

:

12to

48 volts DC positive on pins 2 and 3 with respect

to pin 1.

Safe Operating Temperature:

–10° to +50° C or

+14° to +122° F.

Current drain:

4 mA nominal.

Materials:

All steel body construction.

Finish:

black.

Net weight:

11.5 oz. (326 g).

Dimensions:

See Fig. 5.

Optional accessories:

AKG/Crown PH1A phantom

power supply (one channel, battery orAC-adapter

powered).

*1 pascal = 10 dynes/cm

2

= 10 microbars = 94 dB SPL.

Half-supercardioid polar pattern rejects the

pit orchestra and offers high gain-before-

feedback

Very rugged

Low profile

Fig. 1

Frequency Response

Frequency in Hz

Fig. 2

Vertical Plane Polar Response

1 kHz

200 Hz

4 kHz

Fig. 3

Horizontal Plane Polar Response

1 kHz

200 Hz

4 kHz

Produktspecifikationer