7.1低音管理的低音炮

KH 870 G

  • 7.1高清低音管理(远程控制)
  • 非常深厚的低音响应(18 Hz)
  • 最大声压级(116.7 dB,400 W)

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更大功率,相同精度

KH 870通过提供7.1高清低音管理器™满足了需求。可旁路7.1低音管理器的灵活性意味着它还兼容从单声道到最新的7.1 HD系统的所有标准消费格式。

八个模拟通道可确保当代录音棚能够灵活互连,四模式LFE通道处理可确保所有格式和行业都能兼容,四阶分频器和灵活的声学控制可实现无缝的系统集成。内置音量控制和硬件遥控器可实现不依赖信号源的集中系统控制,电子设备可远程定位,以减少布线。从单声道到3D,KH870可用于多种不同的系统配置。

Dealer Description

改进横向一致性

最新放大器技术和声学组件用来确保最准确的声音再现。强大的驱动单元、坚固的箱体以及精心设计的端口可确保即使在高重放水平下也能稳定、清晰、无失真地再现低频。使用汇总输出,平面波低音阵列™(PWBA™)技术从声学角度改善了聆听区域的横向一致性。低音可低至18 Hz。

灵活的安装选项

KH 870低音炮旨在对各种诺音曼监听音箱进行有力补充,可以单独使用或以菊花链方式连接,以支持具有更高声压级的较大系统。KH 870可用于音乐、广播和后期制作,进行跟踪、混音和母带制作。机箱可以安装在墙壁旁边,或者通过前置安装端口嵌入安装在墙壁上,并且可以在多声道系统中与诺音曼系列其他音箱自由组合使用。

应用

  • 扬声器的低音扩展,最低可达18Hz
  • 将扬声器的最大SPL提高最多8分贝
  • 降低扬声器的谐波和互调失真
  • 重现LFE通道
  • 重现低音管理多声道信号源的“SUB”信号
  • 制作平面波基阵™系统
  • 作为KH线路低音扬声器系统的延伸

(1)
采用低共振整体成型™(LRIM™)材料的计算机机械建模箱体设计

  • 木制箱体,具有坚固的油漆表面和高密度橡胶隔离脚 -卓越的自阻尼特性,使箱体共振降至最低
  • 箱体内部无驻波共振
  • 降低内阁共振

(2)
内部建模的长距离复合夹层圆锥低音驱动器,具有极线性力因数™(ELFF™)、磁屏蔽、流程优化的一次压铸成型单元支架和坚固的内置格栅

  • 分解模式的阻尼在高音级时带来低失真
  • 线性活塞马达单元即使振膜在高位移的时候单元也具有极低的谐波失真
  • 降低空气噪音,改进摇滚模式
  • 格栅可防止机械损坏

(3)
大容量流量优化低音反射端口

  • 快速低音瞬变响应
  • 在高输出电平时降低低音压缩
  • 可以齐平安装

(4)
XLR电子平衡模拟输入和输出

  • 与专业设备的标准接口
  • 低音扬声器阵列的菊花链输出

7.1高清低音管理

  • 与从单声道到3D的所有系统兼容
  • 可旁路的4阶80Hz有源分频,最大限度地兼容消费者重现系统
  • 允许主扬声器播放声音更大、失真更低

(5)
遥控器

  • NRC 1和SEA 1硬件遥控器
  • 可实现RS-232控制

(6)
LFE增益

  • 0和+10 分贝

四种路由模式

  • LFE至低音炮和左/右
  • LFE至低音炮,最高可达80Hz
  • LFE至低音炮,最高可达120Hz
  • LFE至低音扬声器,无滤波-用于菊花链低音扬声器和外部信号处理系统

(7)
宽范围输入增益和输出电平控制

  • 更轻松地与信号源接口

8位相位控制(内置测试音调)、连续低切控制和参数均衡器

  • 更好地控制不同的声学环境
  • 如果不需要,可以旁路参数均衡器

(8)
低音管理控件

  • 可旁路
  • 独立控制前声道和后声道的低音管理旁路
  • 系统音量控制开/关

(9)
通用开关模式电源(100…240伏)

  • 一个版本可在任何国家/地区使用,对劣质电源具有很强的抵抗力
  • 电子设备可通过两种工作模式(0伏和12伏触发器)远程通电

(10)
地面升降机

  • 降低电噪声环境中的噪音,克服接地环路

(11)
总输出

  • 更大的系统和平面波低音阵列™可以使用求和输出构建

(12)
高动态余量,过热保护低热量损耗放大器

  • 改进的瞬态响应
  • 确保可靠性和安全性

独立的快速作用温度限制器,保护音圈和功率放大器r

  • 单元软边和位移限制器
  • 提高系统可靠性
  • 允许从系统中获取最高性能

(13)
安装灵活

  • 远程电子产品(REK 3)易于安装,布线更少,使用更方便
Free field frequency response ±6 dB 17 … 600 Hz
Free field frequency response ±3 dB 18 … 300 Hz
Self-generated noise at 10 cm (with input gain set to 100 dB SPL for 0 dBu) <20 dB(A) SPL
Sine wave output with a THD < 0.5 % at 1 m in half space 95 dB SPL (>40 Hz)
Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz) 116.7 dB SPL
Reproduction accuracy between 50 Hz and 100 Hz: 100%, 80%, 50% of subwoofers produced ±1.20; ±0.54; ±0.28 dB
Crosstalk (1 kHz), level matching -95 dB; ±0.1 dB
LFE Gain 0 / +10 dB
Analog output(s) 8 x XLR; analog electronically balanced
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range) 118 dB SPL
Equalization: Low cut 30 Hz; 0 … -12 dB
Equalization: Parametric EQ: Gain +4 ... -12 dB
Equalization: Parametric EQ: Frequency Bypass; 20 ... 120 Hz
Equalization: Parametric EQ: Q 1 ... 8
Phase 0; 45; 90; 135 and 0/180 deg
Display: Bass Management on Green LED
Cabinet weight when electronics remote located 45.5 kg (100 lbs 5 oz)
Bass Extension (Hz, -6 dB) 17
Maximum output level (dB SPL) 110.7
Max. Listening Distance up to (m) 11
Analog input(s) 8 x XLR: analog electronically balanced
Analog input impedance >13k Ohms
Max. input level +19 dBu
Common mode rejection ratio (CMRR) > 56 dB @ 15 kHz
Volume control NRC 1 hardware remote or RS-232
Volume control range; resolution 118 dB; 0.25 dB
Analog dynamic range; THD+N 119 dB(A); <0.001% (-100 dB)
Signal routing modes LFE 80+re-routing; LFE 80 Hz; LFE 120 Hz; Wide
Input gain control (sensitivity) +2 ... -12 dB
Output level control (output level in 1 m based on 0 dBu input level) 100; 114 dB SPL
Controller design Analog, active
Crossover frequency 80 Hz
Crossover slope 24 dB/oct; 4th order
Protection circuitry Peak and thermo limiters
Infrasonic filter: frequency; slope 6.5 Hz; 12 dB/oct.
Remote control RJ45 connector: Via NRC1 remote control (optional): volume for all channels; bass management on/off; LFE gain 0/10 dB.Via RS-232: more parameters remote controllable
Display: On; Normal Operation Red LED
Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute Red LED
Output power woofer amplifier (THD+N with limiter deactivated: 10%) 400 W
Output power woofer amplifier (THD+N with limiter deactivated: 0.1%) 320 W
Mains Power Supply: input voltage; frequency 220-240 / 100-120 V (switchable); 50/60 Hz
Power consumption (230 V / 100 V): Idle 25 W
Power consumption (230 V / 100 V): Full output 550 W
Cabinet material Wood cabinet, aluminum electronics panel
Cabinet surface finish; color (front / back) Painted; metallic anthracite (RAL 7021) / black (RAL 9005)
Operating conditions +10° C to +40° C (+50° F to +104° F); <90% RH, non-condensing
Transport/storage conditions -25° C to +70° C (-13° F to 158° F); <90% RH; non-condensing
Woofer 2 x 265 mm (10") with magnetic shielding and protecting black metal grille
Mounting points 35 mm flange on top panel
Product dimensions (height x width x depth) 735 x 330 x 645 mm (28.9" x 13" x 25.4")
External net volume 156 liters
Packed dimensions (height x width x depth), mm (inches) 860 x 470 x 770 mm (33 7/8" x 18 1/2" x 30 3/8")

Diagrams

KH 870 with O 410 Frequency Response

KH 870 with O 410 Frequency Response

KH 810/870 - Lowcut

KH 810/870 - Lowcut

KH 810/870 - Parametric - EQ

KH 810/870 - Parametric - EQ

KH 870 with O 410, Group Delay

KH 870 with O 410, Group Delay

KH 870 - Harmonic Distortion at 95 dB SP (Blue: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 870 - Harmonic Distortion at 95 dB SP (Blue: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 870 - Maximum SPL at 1m (Red: 3% THD, Blue: 1% THD)

KH 870 - Maximum SPL at 1m (Red: 3% THD, Blue: 1% THD)

O 410 with KH 870 Maximum SPL at 1 m (Red: 3% THD, Blue: 1% THD)

O 410 with KH 870 Maximum SPL at 1 m (Red: 3% THD, Blue: 1% THD)
TLM 49 Set

NRC 1

Neumann Remote Control

NRC 1
TLM 49 Set

REK 3

Remote Electronics Kit

REK 3
TLM 49 Set

SEA 1

Subwoofer EtherCon Adapter

SEA 1

KH 870 G

Color anthracite

CAT. NO. 503947

  • 1 x KH 870 Subwoofer
  • 3 x Mains cables (European, UK and US version)
  • 1 x Operating manual
  • 1 x Supplement “Getting Started Quickly"

KH 870 G CCC

Color anthracite

CAT. NO. 505566

  • 1 x KH 870 Subwoofer
  • 1 x Mains cable
  • 1 x Operating manual
  • 1 x Supplement “Getting Started Quickly"

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