三通道有源中场监听音箱

KH 420 G

功能强大的三功放中场演播室监听音箱--高精度扩散和巨大的声级储备。

  • 采用低共振整体成型(LRIM™)材料的计算机建模箱体设计
  • 带有高声压(122.4 dB)的卓越低音深度(26 Hz)
  • 中频和高频的精确扩散
  • 作为带有KH 750 DSP和可选工具的立体声系统,可根据房间进行控制和调整

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适合于:

中场范围的黄金标准

KH 420的工作距离为1.5到3米(5到9英尺)。得益于强大的功率储备和精确的集中扩散,它可以轻松应对这种空间。即使在不同的声学环境中,KH 420仍能保持中立和清晰,体现最细微的差别。任何微妙之处都不会损失;每个声音元素都可以找到。

Dealer Description

KH 420是三路三通道有源监听音箱,带有受热保护的AB类放大器((330 W和两倍140W)。就像驱动单元一样,其数学建模扩散™(MMD™)波导旨在达到最佳精度。声音以水平精准方式分布,以确保聆听位置的灵活性;较窄的垂直方向扩散会减少附近反射的负面影响——例如来自桌子或调音台的反射。KH 420的扩散故意设计得更窄,以确保在更长的工作距离担当参考声音。

为专业人士提供最佳工作环境

KH 420通常用于大型工程、音乐、广播和后期制作录音棚等近场应用,进行录音、混音和母带制作。在多通道系统中,它还可以与其他诺音曼录音棚监听音箱自由组合使用。

凭借其三通道有源功率放大器,KH 420可实现高达122.4的声压——这样,就可在整个频率响应中保持高分辨率和中性表现。还包括低至26 Hz的出色低音响应。尽管使用了端口,但在低频范围内没有“overhang”或听得见的共振,并且始终可以精准控制瞬态响应。

计算机建模的机箱由LRIM™材料制成,可消除驻波共振并抑制互调失真,特别是在中频范围内。

针对要求苛刻的高音,我们自己专门开发的功能强大的合金材质球顶可确保无失真的再现。合金材质球顶可以最精确地捕获中音。与同等的中频驱动单元相比,它的超轻材料和强大的钕磁铁可实现明显更好的瞬态响应,失真却更少。

数字输入和延迟选项

数字输入模块DIM 1通过数字XLR输入、数字BNC输入和数字BNC输出(192 kHz / 24位)而扩展了扬声器电子设备,以实现灵活的数字信号链路。通过DIM 1的延迟功能(调整范围0-400 ms),可以延迟音频信号以确保视听同步(口形同步)。另外,高分辨率延迟(0.1 ms)可以使传播延迟均衡。可以将延迟添加到两个输入(数字和模拟)。 KH 420可以配备DIM 1。

KH 750 DSP低音炮

除了出色的声学特性,这款低音炮还为(模拟)连接到其输出的非DSP诺音曼监听音箱提供相关功能,以便与以下工具配合使用:
a)监听音箱自动校准 工具——通过诺音曼 MA 1测量话筒(适用于Mac/PC的软件)对立体声系统进行自动房间校准
b)Neumann.Control ——通过指引和/手动校准方式,免费 iPad®应用对立体声系统进行设置、操作和房间校准

诺音曼理念的数百个充分理由

KH 420的研发秉承了诺音曼专业监听音箱的理念。每个组件、每个形状、每个信号和每个波动都是这种理念的结晶。任何形式或组件都是有备而来。 KH 420的研发涵盖了数百个充分理由,它们最终都汇集成特别纯净、中性的声音。例如,减小边缘衍射的外壳曲度,以及低音驱动器的活塞式输出,即使达到最高声音峰值,也不会引起谐波失真。其中一些元素在KH 420中显而易见。而另一些元素诺音曼则会继续保持风格。但是组合在一起,每一个元素都能被听到——世界各地大大小小录音棚的音响专业人员都可以证明这一点。您可以在这里了解关于诺音曼录音棚监听音箱理念的更多信息。

(1)
仿高音外形合金穹顶结构和坚固的金属格栅

  • 最小化非线性(谐波和互调)失真的最新建模技术
  • 低失真高频重放
  • 格栅可防止机械损坏

(2)
可旋转椭圆数学模型扩散™(MMD™)波导

  • 更平滑的离轴响应
  • 对不同的声学环境更宽容

大范围的水平扩散

  • 在混音控制台上自由移动

收窄的垂直扩散

  • 减少混音控制台的反射

(3)
双色+可调光诺音曼标志

  • 显示深度保护系统的运行状态和激活情况
  • 可调光,适用于低照度条件或屏幕后面的应用

(4)
内部模拟,钕磁铁,织物球顶,中频驱动器,具有优化的低杂散磁场

  • 专用驱动器再现重要的中频,这对语音和人声尤为重要
  • 最小化非线性(谐波和互调)失真的最新建模技术
  • 低失真中端重现
  • 与锥形设计相比,轻质球顶具有更好的瞬态响应和更少的破裂模式
  • 高功率磁铁降低谐波和互调失真

(5)
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™)、流程优化的一次压铸成型单元支架

  • 分解模式的阻尼在高声压级时带来低失真
  • 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

(6)
带管道共振阻尼的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
  • 不会因风琴管共振而着色
  • 可嵌入安装

(7)
采用低共振整体成型™(LRIM™)材料的计算机机械建模三通道箱体设计

  • 箱体内部无驻波共振
  • 降低中音互调失真,以获得更透明的声音
  • 降低箱体共振

(8)
四位低音、中低音和高音声学控制

  • 更好地控制不同的声学环境
  • 移动扬声器后可重复声音设置

(9)
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
  • 三个频率范围提供非常精细的均衡控制

(10)
宽范围输入增益和输出电平控制

  • 更轻松地与信号源连接

(11)
显示调光器

  • 适用于低照度条件或屏幕后面的应用

(12)
接地选择的XLR电子平衡模拟输入

  • 专业设备的标准接口
  • 降低电噪声环境中的噪音,克服接地环路

(13)
通用双(低,中和高)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
  • 双电源改善瞬态响应

(14)
全面记录各种安装硬件

  • 更灵活地在更多位置安装箱体,并向后兼容以前的产品
  • 安装设备的简单高级规划

(15)
尺寸宽敞的集成加速热隧道™(AHT™)散热器的电子面板

  • 改进散热,提高电子产品可靠性

安装灵活性

  • 远程电子设备(REK 4)易于安装,布线更少,使用更方便

(16)
高动态余量,过热保护大功率放大器

  • 改进的瞬态响应
  • 确保可靠性和安全性

低音、中音和高音独立的快速温度限制器,保护音圈和功率放大器

  • 低音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

更多产品特点

最终测试中独立手动校准带来的生产一致性

  • 任何KH 420都可与其他KH 420“配对”使用

可选的坚固金属格栅

  • 可用于保护驱动器
Free field frequency response ±6 dB 25 Hz … 22 kHz
Free field frequency response ±3 dB 26 Hz … 22 kHz
Free field frequency linearity deviation between 100 Hz and 10 kHz ± 1.2 dB
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 (>100 Hz)
Max. SPL calc. in half space at 3% THD at 1m (averaged between 100 Hz and 6 kHz) 122.4 dB SPL
Max. SPL in full space at 3% THD at 1m (averaged between 100 Hz and 6 kHz) 116.4 dB SPL
Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz) 109.9 dB SPL
Max. short term SPL with IEC-weighted noise (IEC 60268-5) at 1 m, in typical listening conditions 109 dB(C) SPL
Reproduction accuracy between 100 Hz and 10 kHz: 100%, 80%, 50% of loudspeakers produced ±0.78; ±0.36; ±0.22 dB
Max. short term SPL with music material at 2.3 m in typical listening conditions (pair / full range) 103 dB(C) SPL
Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair with subwoofer) 109 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range) 90 / 96 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair with subwoofer) 90 / 96 dB(C) SPL
Equalization: Mid 0; -1.5; -3; -4.5 dB
Equalization: Parametric EQ: Gain '+4 ... -12 dB
Equalization: Parametric EQ: Frequency Bypass, 25 ... 80 Hz; 50 ... 160 Hz; 100 ... 320 Hz
Equalization: Parametric EQ: Q 1 ... 8
Display Brightness White: 100%/60%/30%/off; Red: 100%/60%/30%
Output power midrange amplifier (THD+N with limiter deactivated: 10%) 140 W
Output power midrange amplifier (THD+N with limiter deactivated: 0.1%) 130 W
Midrange 75 mm (3") with magnetic shielding
Cabinet weight when electronics remote located 30.3 kg (66 lbs 13 oz) (+ 100 g (3 oz) with DIM 1 fitted)
Bass Extension (Hz, -6 dB) 25
Maximum output level (dB SPL) 116.4
Max. Listening Distance up to (m) 11
Analog input(s) XLR: analog electronically balanced
Analog input impedance >14k Ohms
Max. input level +24 dBu (DIM 1: 18 dBu for analog delayed)
Common mode rejection ratio (CMRR) >56 dB @ 15kHz
Input gain control (sensitivity) 0 dB ... -15 dB
Output level control (output level in 1 m based on 0 dBu input level) 94; 100; 108; 114 dB SPL
Equalization: Bass 0; -2.5; -5; -7.5 dB
Equalization: Treble +1; 0; -1; -2 dB
Controller design Analog; active
Crossover frequency 570 Hz and 2.0 kHz
Crossover slope 24 dB/oct; 4th order
Protection circuitry Independent thermo limiters for woofer, midrange dome and tweeter. Woofer soft clip and excursion limiters. Amplifier overheat.
Infrasonic filter: frequency; slope 9 Hz; 18 dB/oct.
Display: On; Normal Operation Neumann logo “White”
Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute Neumann logo “Red”
Output power woofer amplifier (THD+N with limiter deactivated: 10%) 330 W
Output power tweeter amplifier (THD+N with limiter deactivated: 10%) 140 W
Output power woofer amplifier (THD+N with limiter deactivated: 0.1%) 295 W
Output power tweeter amplifier (THD+N with limiter deactivated: 0.1%) 130 W
Mains Power Supply: input voltage; frequency 100-240V; 50/60 Hz
Power consumption (230 V / 100 V): Idle 60 W (+5W when DIM 1 fitted)
Power consumption (230 V / 100 V): Full output 800 W
Cabinet material Wood cabinet, polyurethane waveguide, 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 265 mm (10") with magnetic shielding
Tweeter 25 mm (1") with protecting black metal grille
Mounting points 8 x M5 on rear panel
Product dimensions (height x width x depth) 645 x 330 x 444 mm (25 3/8" x 13" x 17 1/2")
External net volume 93 liters
Packed dimensions (height x width x depth), mm (inches) 775 x 610 x 590 mm (30 1/2" x 15" x 14 1/8")

Diagrams

KH 420 - Parametric - EQ

KH 420 - Parametric - EQ

KH 420 - Group Delay

KH 420 - Group Delay

KH 420 - Cumulative Spectral Decay

KH 420 - Cumulative Spectral Decay

KH 420 - Vertical Directivity Plot (vertical cabinet orientation)

KH 420 - Vertical Directivity Plot (vertical cabinet orientation)

KH 420 - Horizontal Directivity Plot (vertical cabinet orientation)

KH 420 - Horizontal Directivity Plot (vertical cabinet orientation)

KH 420 - Harmonic Distortion at 100 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 420 - Harmonic Distortion at 100 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 420 - Bass, Mid and Treble Acoustical Controls

KH 420 - Bass, Mid and Treble Acoustical Controls

KH 420 - Maximum SPL at 1m (Green: 10% THD, Red: 3% THD, Blue: 1% THD)

KH 420 - Maximum SPL at 1m (Green: 10% THD, Red: 3% THD, Blue: 1% THD)

KH 420 - Free-Field Response

KH 420 - Free-Field Response

KH 420 - Horizontal Directivity Plot (horizontal cabinet orientation)

KH 420 - Horizontal Directivity Plot (horizontal cabinet orientation)

KH 420 - Harmonic Distortion at 90 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 420 - Harmonic Distortion at 90 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 420 - Harmonic Distortion at 95 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 420 - Harmonic Distortion at 95 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)

KH 420 - Vertical Directivity Plot (horizontal cabinet orientation)

KH 420 - Vertical Directivity Plot (horizontal cabinet orientation)
TLM 49 Set

DIM 1

Digital Input Module

DIM 1
TLM 49 Set

GKH 420 B

Metal Grille black

GKH 420 B
TLM 49 Set

LH 28

Tripod Stand Adaptor

LH 28
TLM 49 Set

LH 29

TV-Spigot

LH 29
TLM 49 Set

LH 36

Tilting Adaptor

LH 36
TLM 49 Set

LH 37

Mounting Flange Adaptor

LH 37
TLM 49 Set

LH 41

Base Plate

LH 41
TLM 49 Set

LH 42

Ceiling System

LH 42
TLM 49 Set

LH 43

Surface Mounting Plate

LH 43
TLM 49 Set

LH 45

Wall Bracket

LH 45
TLM 49 Set

LH 46

Adjustable Ceiling Drop Adapter

LH 46
TLM 49 Set

LH 48

Tripod Adaptor Plate

LH 48
TLM 49 Set

REK 4

Remote Electronics Kit

REK 4
TLM 49 Set

KH 420 on a K&M stand (1)

Mounting Example

KH 420 on a K&M stand (1)
TLM 49 Set

KH 420 on a K&M stand (2)

Mounting Example

KH 420 on a K&M stand (2)
TLM 49 Set

KH 420 on a lighting stand (1)

Mounting Example

KH 420 on a lighting stand (1)
TLM 49 Set

KH 420 on a lighting stand (2)

Mounting Example

KH 420 on a lighting stand (2)
TLM 49 Set

KH 420 on a floor stand (1)

Mounting Example

KH 420 on a floor stand (1)
TLM 49 Set

KH 420 on a floor stand (2)

Mounting Example

KH 420 on a floor stand (2)
TLM 49 Set

KH 420 on a KH 870 sub (1)

Mounting Example

KH 420 on a KH 870 sub (1)
TLM 49 Set

KH 420 on a KH 870 sub (2)

Mounting Example

KH 420 on a KH 870 sub (2)
TLM 49 Set

KH 420 on a KH 870 sub (3)

Mounting Example

KH 420 on a KH 870 sub (3)
TLM 49 Set

KH 420 on a KH 870 sub (4)

Mounting Example

KH 420 on a KH 870 sub (4)
TLM 49 Set

KH 420 on a wall

Mounting example

KH 420 on a wall
TLM 49 Set

KH 420 off a ceiling (1)

Mounting Example

KH 420 off a ceiling (1)
TLM 49 Set

KH 420 off a ceiling (2)

Mounting Example

KH 420 off a ceiling (2)
TLM 49 Set

KH 420 off a horiz. truss

Mounting Example

KH 420 off a horiz. truss
TLM 49 Set

MA 1

MA 1 - 自动监听音箱校准工具

MA 1

KH 420 G

Color anthracite

CAT. NO. 505988

  • 1 x KH 420 Studio Monitor
  • 3 x Mains cables (European, UK and US version)
  • 1 x Operating manual
  • 1 x Supplement “Getting Started Quickly”

KH 420 G CCC

Color anthracite

CAT. NO. 506792

  • 1 x KH 420 Studio Monitor
  • 2 x Mains Cables (CCC + KC)
  • 1 x Operating manual
  • 1 x Supplement “Getting Started Quickly”

适合于:

评价

KH 420 review
Sound&Recording 10/14, English
Download PDF

KH 420 review
Sound&Recording 10/14, German
Download PDF

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