AKG PERCEPTION 820 Specifications download pdf (Page 18)

18 PERCEPTION 820 TUBE

7 Specifications

7.1 Microphone

7.2 Remote Control Unit

Type: 1-inch dual-diaphragm, true condenser pressure-

gradient microphone

Polar patterns: omnidirectional, cardioid, figure eight plus six

intermediate patterns (selectable on Remote

Control Unit)

Open-circuit sensitivity

at 1kHz (cardioid): 20 mV/Pa (-34 dBV ±3 dB)

Frequency range: 20 Hz to 20 kHz (see frequency response graphs)

Impedance: ≤ 200 ohms

Recommended load impedance: ≥ 1000 ohms

Equivalent noise level

to IEC 60268-4 (A-weighted): 16 dB-A

Signal/noise ratio re 1 Pa (A-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: temperature: -10°C to +60°C

R.H.: 80% (+25°C)

Powering: via Remote Control Unit only

Connector: dedicated 7-pin male XLR

Dimensions: 53 dia. x 212 mm high / 2 x 8.3 in.

Net weight: 870 g / 1.9 lbs.

Audio/control input: dedicated 7-pin female XLR connector

Audio output: standard 3-pin male XLR connector,

balanced, pin 2 hot

Polar pattern selector: 9-position detented rotary switch

Bass cut filter switch: 2-position toggle switch

Preattenuation switch: 2-position toggle switch

Power voltage: 210-240 VAC or 110-120 VAC, selectable

Primary fuse: 125 mA / 250 V slow-blow

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AKG PERCEPTION 820 Specifications Page 18