诺音曼 NDH 20是一款封闭式耳机，具有出色的隔音效果和精心平衡的声像，以及诺音曼产品所特有的高清音质。即使在嘈杂的环境中，NDH 20也非常适合用于监听和混音任务。环状记忆泡沫耳垫可提供长时间舒适佩戴体验。
随时随地享受监听和混音的极致体验
NDH 20采用新设计的、带有较高高斯值钕磁铁的驱动器（38毫米/1.5英寸），以确保高灵敏度和最小的失真，从而让用户只听到纯音频信号，而没有不必要的着色。机械结构也符合最高标准。可调头带由柔性钢制成，耳罩由轻质铝合金加工而成。为了便于随身携带，耳机可以折叠起来，并可放置在随附的软布袋中。还附赠两条可拆卸耳机线（一条直线，一条盘绕线）和一个6.3毫米（1/4英寸）的适配器。
应用
NDH 20适用于所有需要高度隔音效果的应用，例如音乐家和工程师在室内跟踪监听任务以及FOH (调音师现场)工作。它也是进行重要聆听的绝佳选择，不受外界干扰，反之亦然——不会因声音泄漏而对附近的人造成干扰。由于其扩展频率响应范围在5 Hz至30 kHz之间，NDH 20非常适合检查音频频段的上下限。
与其它大多数封闭式耳机不同，诺音曼 NDH 20也适用于混音。异常均匀的频率响应和自然的立体声图像让用户可以放心地进行混音，并确保兼容所有播放系统。因此，NDH 20是外出工作时移动办公 不可或缺的工具。当然，它也是音响爱好者享受音乐娱乐的绝佳耳机。
功能特性
- 高清录音棚级音质
- 嘈杂环境中高度隔离声音
- 佩戴极为舒适，适合更长时间聆听
- 优质金属结构
- 可折叠设计，便于随身携带
- 两条可拆卸耳机线（直线/盘绕线）
| Acoustic principle | Dynamic Closed |
|---|---|
| Wearing style | Headband |
| Foldable | Yes |
| Ear coupling | Circumaural |
| Transducer diameter | 38 mm (1 1/2") |
| Transducer magnet | Neodymium |
| Diaphragm material | Duofol |
| Transducer protection | Cloth covered grille |
| Nominal Impedance | 150 Ohms |
| Frequency response | 5 ... 30,000 Hz |
| Sensitivity at 1 kHz/1 Vrms | 114 dB SPL (1 kHz, 1 Vrms) |
| Max input power handling | 1000 mW |
| Continuous input power handling | 200 mW |
| THD at 1 kHz and 100 dB SPL | <0.10% |
| Sound isolation | >34 dB (>4 kHz) |
| Cable entry | Single sided, right ear cup |
| Connectivity | 3.5 mm (1/8") TRS jack plug (straight), adapter for 6.3 mm (1/4") |
| Cable length | Spiraled 1.5 - 3.0 m (5' - 10'), Straight 3.0 m (10') |
| Cable weight | Spiraled 100 g (3.5 oz), Straight 60 g (2.1 oz) |
| Ear cup contact pressure | 5.5-6.8 N |
| Weight excluding cable | 390 g (13 3/4 oz) |
| Detachable cable | Yes |
| Replaceable earpads | Yes |
| Colours - headband | RAL 9006 White Aluminium / RAL 7016 Anthracite Grey |
| Colours - ear cups | RAL 9006 White Aluminium |
| Colours - ear pads | RAL 7016 Anthracite Grey / RAL 2011 Deep orange |
| Colours - cable | RAL 7016 Anthracite Grey |
| Materials - headband | Spring steel strip, aluminium and plastic fittings, plastic trimming |
| Materials - ear cups | Aluminium |
| Materials - ear pads | Cloth covered memory foam |
| 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 |
| Packed dimensions (height x width x depth), mm | 245 x 255 x 85 mm (9 5/8" x 10" x 3 3/8") |
| Packed weight | 1.22 kg (2 lbs 11 oz) |
| Packed cube | 0.005 m³ |
NDH 20
Color Silver, anthracite, orange
CAT. NO. 508585
- NDH 20 Headphone
- Straight cable
- Spiral cable
- 6.3 mm (1/4") adapter
- Cloth pouch
- Quick guide
- Safety guide
适合于:
评价
Geschlossener Studiokopfhörer - Der Herausforderer!
bonedo.de, 02/2019, German
Link
Field Report: Neumann NDH20 Headphones
AudioTechnology.com
Link
Review: Neumann NDH 20
audiomediainternational.com, 2019
Link
NDH 20 Testbericht
kopfbox.de, 08/2019 (German)
Link
Recording, Mix - alles mit dem Kopfhörer
amazona.de, 03/2019 (German)
Link
Neumann’s NDH20 headphones rock — both in and out of the studio
thenextweb.com, 09/2019
Link
At last!
Sound & Recording, 03/2019, English
Was lange währt ...
Sound & Recording, 03/2019, German
Studio-Kopfhörer Neumann NDH 20, German only
mobilefidelity, 05/2019
Link
Neumann NDH 20 Test: Das Gebot der Neutralität
delamar.de, 02/2019, German
Link
Studio-Over-Ear mit edlem Auftritt und analytischem Klangbild
kopfhoerer.de, 02/2019, German
Link
Neumann NDH20 Monitor Headphones
mixdownmag.com, 04/2019
LInk
诺音曼 (Neumann) NDH 20 封闭式录音室耳机评测
Midifan, 12/2022 (Chinese)
Link
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