–10
dB
Instruction manual | Bedienungsanleitung | Notice d'emploi |
Istruzioni per l'uso | Instrucciones de manejo | Manual de
instruções | Gebruiksaanwijzing | Instrukcja obsługi |
Bruksanvisning | Betjeningsvejledning | Käyttöohje |
Οδηγίες
λειτουργίας
| Kullanım kılavuzu |
Инструкция
по
эксплуатации
|
使用说明书
|
取扱説明書
|
사용 설명서
|
www.neumann.com | U 87 Ai
Acoustic operating principle
Directional pattern
Frequency range
Sensitivity at 1 kHz into 1 kΩ
Rated impedance
Rated load impedance
Signal-to-noise ratio, CCIR
1)
(rel. 94 dB SPL)
Signal-to-noise ratio, A-weighted
1)
(rel. 94 dB SPL)
Equivalent noise level, CCIR
1)
Equivalent noise level, A-weighted
1)
Maximum SPL for THD ≤ 0.5%
2)
Maximum SPL for THD ≤ 0.5 % with pre-attenuation
2)
Maximum output voltage
Supply voltage (P48, IEC 61938)
Current consumption (P48, IEC 61938)
Matching connector
Weight
Dimensions (diameter / length)
Operating temperature range
Storage temperature range
Humidity range
Pressure gradient transducer
Omnidirectional/cardioid/figure-8
20 Hz - 20 kHz
20/28/22 mV/Pa −34/−31/−33 dBV ± 1 dB
200 Ω
1000 Ω
68/71/69 dB
79/82/80 dB
26/23/25 dB
15/12/14 dB-A
117 dB (cardioid)
127 dB
−6 dBu
48 V ± 4 V
0.8 mA
XLR3F
500 g
ø 56 mm / 200 mm
0 °C - +70 °C (32 °F - 158 °F)
−20 °C - +70 °C (−4 °F - 158 °F)
max. 90 % at +20 °C
Specifications
1)
according to IEC 60268-1; CCIR-weighting according to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS
2)
measured as equivalent el. input signal
