Sennheiser 森海塞尔 SPB8000 SPB 8000 SPB-8000 spb8000 spb 信号处理器 3D影视制作专用话筒转换器

 

SPB 8000

 

Esfera可将仅有的两轨立体声信号转化成为5.1环绕声

 

 

 

 

概述

Esfera是一款便于安装和使用的环绕声话筒系统。Esfera可将仅有的两轨立体声信号转化成为5.1环绕声，这使原本复杂的环绕声话筒安装成为历史。系统由SPM 8000立体声话筒和SPB 8000信号处理单元组成。SPB 8000可将立体声话筒信号转化成完全的5.1环绕声信号。

特性
为话筒提供48V幻象供电
信号输入可在模拟和数字AES3之间进行切换
可切换的压缩器
4个可供自行预置的5.1环绕声参数
可通过一个网络接口调节SPB 8000

 

 

 

 

 

技术数据

Microphone input
阻抗  approx. 4 kΩ, balanced
幻路供電  48 V, switchable
連接  2 XLR-3F sockets, transformerless balanced
尺寸 depth with controls and sockets: approx. 44 x 482 x 275 mm (H x W x D)
depth with sockets: approx. 44 x 482 x 260 mm (H x W x D)
depth of housing: approx. 44 x 482 x 240 mm (H x W x D)
重量  approx. 3.9 kg
电源
接頭  (Mains) 3-pin, protection class I as per IEC/EN 60320-1
功耗  max. 15 W
保險絲 115 V AC: T 160 mA L 250 V
T 315 mA L 250 V
電壓  range: 115 V~ / 230 V~, 50/60 Hz
Audio characteristics
THD，總諧波失真 0.03% at 64 dBu: gain: −12 dBFS at 1 kHz
0.004% at 30 dBu: gain: −12 dBFS at 1 kHz
信噪比 CCIR 468: –82.6 dB, 64 dB gain at 48 kHz sampling rate
CCIR 468: –106,1 dB, 30 dB gain at 48 kHz sampling rate
A-weighted: –85.5 dB, 64 dB gain at 48 kHz sampling rate
A-weighted: –109.3 dB, 30 dB gain at 48 kHz sampling rate
Unweighted: –84 dB, 64 dB gain at 48 kHz sampling rate
Unweighted: –104,3 dB, 30 dB gain at 48 kHz sampling rate
增益  +64 dB (max.)
動態範圍  130.3 dB 30 dB gain (A-weighted)
串音  –70 dB at 10 kHz (–30 dBu input, 30 dB gain)
at 44.1 kHz sampling rate: 10 Hz-21 kHz
at 48 kHz sampling rate: 10 Hz-22.5 kHz
at 88.2 kHz sampling rate: 10 Hz-42 kHz
at 96 kHz sampling rate: 10 Hz-45 kHz
Digital input
AES3 标准  channels L/R
連接  1 XLR-3F socket
Digital output
AES3 标准  channels L/R, C/LFE, SL, SR
採樣率  44.1 / 48 / 88.2 / 96 kHz
比特率  24 bits
格式  professional
連接  3 XLR-3M sockets
Ethernet
通信  HTTP (POST request method), JSON-compliant
接口  80, 9050 with multicast
連接  RJ 45 socket
固件更新  via HTTP
Synchronization
時鐘  via Input socket B (BNC)
AES3 输入时钟  via In socket D (XLR-3F)

 

 

 

 

 

 

 

 

 

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