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。
| 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 |
| Dynamic range A-D-A | >116 dB(A) |
| Dynamic range D-A | >123 dB(A) |
| THD+N: analog delayed, digital | < -104 dB; < -106 dB |
| Digital sensitivity | -18 dBFS = 100 dB SPL at 1 m |
| Latency | 0.22 … 1.85 ms (digital A, B or A+B); 0.54 ms (analog delayed) |
| 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 |
| Digital input(s) | BNC (75 Ω): AES3; S/P-DIF |
| Digital output(s) | BNC (75 Ω): AES3 |
| Digital converter: resolution; design | 16 … 24-bit DAC; Δ∑ |
| Digital converter: sampling rate | 22.05; 24; 32; 44.1; 48; 64; 88.2; 96; 176.4; 192 kHz |
| Digital internal sampling rate | 96 kHz |
| Delay: User adjustable delay range | 0 … 409.5 ms |
| Delay: Resolution: time; distance | 0.1 ms; 3.44 cm (1 3/8”) |
| Delay: Max. frames Audio-video synchronisation (lip sync) | 10.2 (40 ms) frames; 12.3 (33 ms) frames |
| Delay: Time-of-flight maximum distance | 140.1 m (462' 2") |
| 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 (23 1/4" x 15" x 14 1/8") |
Diagrams
KH 420 - Parametric - EQ
KH 420 - Group Delay
KH 420 - Cumulative Spectral Decay
KH 420 - Vertical 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 - Bass, Mid and Treble Acoustical Controls
KH 420 - Maximum SPL at 1m (Green: 10% THD, Red: 3% THD, Blue: 1% THD)
KH 420 - Free-Field Response
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 95 dB SPL (Purple: THD, Red: 2nd harmonic, Green: 3rd harmonic)
KH 420 - Vertical Directivity Plot (horizontal cabinet orientation)
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”
DIM 1
Color
CAT. NO. 502251
- DIM 1 Digital Input Module
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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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