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Neumann KH 870 G, Active Subwoofer with 7.1 High Definition Bass Management™, 2 x 10"
Vendor: Neumann
Descriptions Neumann KH 870 G, Active Subwoofer with 7.1 High Definition Bass Management™, 2 x 10" driver, magnetically shielded, 86 liters, 320 (400) W, 116.7 dB SPL, 18 Hz, metallic anthracite The Neumann KH...
Neumann KH 870 G, Active Subwoofer with 7.1 High Definition Bass Management™, 2 x 10" driver, magnetically shielded, 86 liters, 320 (400) W, 116.7 dB SPL, 18 Hz, metallic anthracite
The Neumann KH 870 G is an answer to the demands by offering a 7.1 High Definition Bass Manager™. The Neumann KH 870 G feature its flexibility of this bypassable 7.1 bass manager means it is also compatible with all standard consumer formats from mono through to the latest 7.1 HD systems. The Neumann KH 870 G also has 8 channels of analog to ensures flexible interconnectivity for modern studios. Four mode LFE-channel processing guarantees compatibility across all formats and industries. Forth-order crossovers and flexible acoustical controls that allow for seamless system integration. Built-in volume control and a hardware remote control allows for centralized system control independent of the source, and the electronics can be remote located to minimize cabling. From Mono to 3D, there are uses for the KH 870 in many different system configurations.
- Computer mechanically modeled cabinet design using Low resonance Integral Molding™ (LRIM™) materials
- In-house modelled long-throw composite sandwich cone bass driver with Extremely Linear Force Factor™ (ELFF™), magnetic shielding, flow optimized die cast basket and robust built-in grille
- Large high-capacity flow-optimized bass reflex ports
- XLR electronically balanced analogue inputs and outputs / 7.1 High Definition Bass Management
- Remote control
- LFE gain / Four routing modes
- Wide range input gain and output level controls / 8-position phase control (with built in test tone), continuous low cut control and parametric equalizer
- Bass Management controls
- Universal switched-mode power supply (100 … 240 V)
- Ground lift
- Sum output
- Low heat dissipation amplifiers with large headroom and overheat limiting / Separate fast acting thermo limiter to protect the voice coil and power amplifier
- Installation flexibility
Neumann KH 870 G Main Features
- 7.1 High Definition Bass Management (remote)
- Very deep bass response (18 Hz)
- High maximum SPL (116.7 dB, 400 W)
| Free field frequency response ±6 dB | 17 … 600 Hz |
| Free field frequency response ±3 dB | 18 … 300 Hz |
| Reproduction accuracy between 50 Hz and 100 Hz: 100%, 80%, 50% of subwoofers produced | ±1.20; ±0.54; ±0.28 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 (>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 |
| Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range) | 118 dB SPL |
| 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 |
| Crosstalk (1 kHz), level matching | -95 dB; ±0.1 dB |
| 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 |
| LFE Gain | 0 / +10 dB |
| Analog output(s) | 8 x XLR; analog electronically balanced |
| 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 |
| 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 |
| 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 |
| Display: Bass Management on | Green 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 |
| Product weight | 47.1 kg (103 lbs 13 oz) |
| Cabinet weight when electronics remote located | 45.5 kg (100 lbs 5 oz) |
| 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") |
| Packed weight | 54.3 kg (119 lbs 11 oz) |
| Packed cube | 0.311 m³ |
