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。
| 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 810/870 - Lowcut
KH 810/870 - Parametric - EQ
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 - 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)
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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