Neumann KK 143

The KK 143 is a pressure gradient transducer with wide-angle cardioid characteristic. Attenuation: 4 dB at 90, 8 dB at 135, and 11 dB at 180. The frequency response for sound sources within an angle of ± 90 (off axis) is parallel up to 12 kHz.

• Nickel

• Wide Cardioid Pattern

ACOUSTICAL OPERATING PRINCIPLE:

Pressure gradient transducer

DIRECTIONAL PATTERN:

Cardioid wide

FREQUENCY RANGE:

20 Hz...20 kHz

SENSITIVITY AT 1 KHZ, 0 DB GAIN, AND 94 DB SPL:

-39 dB FS

EQUIVALENT NOISE LEVEL, CCIR¹:

24 dB

EQUIVALENT NOISE LEVEL, A-WEIGHTED²:

13 dB-A

MAXIMUM SPL AT 0 DBFS (RE. 94 DB SPL):

133 dB SPL

MAXIMUM SPL WITH 18 DB PREATT. (RCS) (RE. 94 DB SPL):

151 dB SPL

SIGNAL-TO-NOISE RATIO, CCIR (RE. 94 DB SPL)³:

70 dB

SIGNAL-TO-NOISE RATIO, A-WEIGHTED (RE. 94 DB SPL):

81 dB

MATCHING CONNECTOR:

XLR 3 F

WEIGHT (OUTPUT STAGE):

70 g

WEIGHT (CAPSULE ONLY):

15 g

DIAMETER:

22 mm

LENGTH (CAPSULE ONLY):

18 mm

LENGTH (MICROPHONE):

108 mm

A/D CONVERSION:

Neumann process (patented), 28-bit internal word length

DIGITAL SIGNAL PROCESSING:

Fixed-point, variable internal word length 28 bits to 60 bits

SAMPLING RATES:

44.1/48/88.2/96/176.4/192 kHz

OUTPUT DATA FORMAT:

24 bits as per AES/EBU (AES 3)

LATENCY:

44.1/48 kHz: 41 samples

LATENCY:

88.2/96 kHz: 49 samples

LATENCY:

176.4/192 kHz: 99 samples

SYNCHRONIZATION:

Free-running (non-synchronous operation), frequency stability: ± 25 ppm

SYNCHRONIZATION:

Synchronous operation, pulling range: min. ± 100 ppm

SUPPLY VOLTAGE RANGE:

+7 V to +10.5 V

CURRENT CONSUMPTION:

max. 150 mA (DDP)

¹ according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS

² according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS

³ according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS

according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS