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AKG P420
Photo: AKG (Harman), from its spec sheet, p. 2.

AKG

AKG P420

Side-address large-diaphragm (1-inch) dual-diaphragm multi-pattern true condenser mic (cardioid, omni, figure-8), with bass cut and -20 dB pad

Type
Condenser
Pattern
Cardioid / omni / figure-8
Sensitivity
−31 dBV/Pa
Self-noise
15 dB(A)
Max SPL
135 dB SPL
Impedance
200 Ω
Rated range
20 – 20k Hz

Frequency response

Angle
Distance

Frequency response: from the manual, p. 24. Titled "Frequency Response (cardioid)", curve marked "0°". Distance, room and smoothing not stated.

Dashed: outside the rated range, or simulated (other angles and distances). Hover or tap the graphs for values.

Polar pattern

Polar pattern: from the manual, p. 24. Titled "Polar Diagram", next to the cardioid response; AKG split plot, 0° at the bottom; 125-1000 Hz on the left half, 2-16 kHz on the right; rings every 5 dB (labels -20, -10, 0). Measuring conditions not stated.

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All specs

From the manual
Capsule1-inch dual-diaphragm true condenser, diaphragms gold-sputtered on one side. "Gold-sputtered diaphragm: ... gold-sputtered on one side only" (p. 17).p. 23
Sensitivity−31 dBV/Pa (28 mV/Pa), cardioid. "(cardioid) 28 mV/Pa (-31 dBV)".
Self-noise15 dB(A), to IEC 60268-4
Max SPL135 dB SPL, 0.5% THD; also 155 dB SPL, 0.5% THD, -20 dB pad. "135 / 155 dB SPL (0 / -20 dB)".
Signal-to-noise ratio79 dB, A-weighted, re 1 Pa
Output impedance200 ohm, maximum. "≤200 ohms".
Rated load impedance1000 ohm, minimum, recommended. "≥1000 ohms".
Rated frequency range20 Hz to 20 kHz
Poweringphantom 48 V ±4 V (IEC 61938). The cut sheet: "Voltage: 44 to 52 V".
Current draw3 mA, maximum. "≤3 mA".
Low cutoff, 300 Hz; 300 Hz; 12 dB/octave. "Bass cut pad: 300 Hz, 12 dB/octave"; selector 3 on the rear, "rolls off at 12 dB/octave from 300 Hz downward" (p. 17).
Pad−20 dB. Selector 2 on the microphone rear (p. 17).
ConnectorXLR-3 male (pin 2 hot)
Weight517 g, net. "517 g (18.2 oz)"; the cut sheet agrees.
Dimensions54 × 165 mm. Diameter × length.
Temperature range-10 °C to +60 °C
BodyAll-metal bodyp. 17
From the spec sheet
Supplied accessoriesspider shock mount; metal carrying case. "Spider Shock Mount, Metal Carrying Case". Optional: PF80 pop filter, ST305 table stand, W4000 windscreen (manual, p. 16).p. 2

Documents

Copies kept by Mic Archive, because manufacturers move and drop their documents. Each is © AKG, unchanged, with its original address.

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