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Neumann KH 870 Dual 10 Inch Active Studio Subwoofer (with 7.1 Bass Manager)

  • Dale #:

    NEUM-KH870
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  • This item is not in stock, but we can usually ship it within 10-20 days after your order is placed. Your payment will be charged after completing checkout.

Description

As consumer technology advances at ever faster rates, professional technology increasingly finds itself trying to keep up. An example of this is the advent of the Blu-ray and other high definition formats that have increased the audio channel count to 7.1. The KH 870 is an answer to these new dem... Read More

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Description

As consumer technology advances at ever faster rates, professional technology increasingly finds itself trying to keep up. An example of this is the advent of the Blu-ray and other high definition formats that have increased the audio channel count to 7.1. The KH 870 is an answer to these new demands by offering a new 7.1 High Definition Bass Manager™ This is compatible with all standard consumer formats from mono through to the latest 7.1 HD systems. Eight channels of analog or an optional 8-channel, 24-bit, 192 kHz digital input card 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 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 reduce cabling.

Features

  • 7.1 Channel High Definition Bass Management™ compatible with all formats from mono to 7.1
  • Bypassable 4th order 80 Hz active crossover for maximum compatibility with consumer reproduction
  • 0 and +10 dB LFE gain and 4-mode LFE processing:
    LFE to subwoofer and left/right
    LFE to subwoofer only up to 80 Hz
    LFE to subwoofer only up to 120 Hz
    LFE to subwoofer with no filtering - for daisy chaining subwoofers and external signal processing systems
  • Independent control of bass management for front and back channels
  • System wide volume control via optional hardware remote controls or RS-232
  • Acoustical controls adapt the subwoofer’s response to the environment
    Output level
    Low cut
    Parametric equalizer
    45° step phase control with a built-in test signal
  • Larger systems and Plane Wave Bass Arrays™ maybe constructed using the Sum output
  • Remoteable electronics (REK 3 and an SC nn) for installation convenience, less cabling, and convenience of use
  • Integrated electronic limiter for amplifier and driver protection
  • Low heat dissipation amplifiers
  • Electronics can be remotely powered on with two modes of operation (0 V and 12 V trigger)

The latest amplifier technology and acoustical components have been used to ensure the most accurate sound reproduction possible. Robust drivers, a rock-solid cabinet, and carefully designed ports guarantee a tight, articulate, and distortion-free low frequency reproduction, even at high replay levels. Using the sum output, Plane Wave Bass Array™ (PWBA™) techniques acoustically improves lateral consistency in the listening area. The bass extends down to 18 Hz. The KH 870 subwoofer is designed to complement our extensive range of monitors, and can be used on its own, or daisy-chained to make larger systems capable of higher SPL. The KH 870 can be used in music, broadcast, and post production studios for tracking, mixing, and mastering. The cabinet can be positioned next to a wall or flush mounted into a wall due to the front mounted port, and can be mixed freely in multichannel systems with other loudspeakers from our range

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Product Specs

Acoustics
−3 dB free field frequency response18 - 300 Hz, ± 3 dB
Pass band free field frequency response19 - 300 Hz, ± 2 dB
Self-generated noise level at 10 cm< 20 dB(A)
Total harmonic distortion < 0.5 % at 95 dB SPL at 1 m40 Hz
Max. SPL In half space at 3% THD116.7 dB SPL
Max. SPL with pink noise in half space at 1 m118 dB SPL
Averaged between40 and 90 Hz
Electronics
Amplifier, cont. (peak) output power (THD < 0,1 %)320 W (400 W)
Controller designAnalog, active
Main channel crossover frequency80 Hz
Crossover slope24 dB/oct
Equalization - Low cut30 Hz, 0 ... −12 dB
Parametric EqualizerBypassable
Parametric Equalizer - Gain+4 ... −12 dB
Parametric Equalizer - Frequency20 ... 120 Hz
Parametric Equalizer - Q1 ... 8
Time of Flight adjustment delay0 ... 4.69 ms @ 80 Hz (4-step 0, 45, 90, 135), - 180° Switch
Volume ControlHardware remote or RS-232
Calibration ToolsInternal signal generator
Protection circuitryPeak and Thermo Limiters
Infrasonic filter frequency; slope6.5 Hz; 12 dB/oct.
Remote controlOn a CAT-5
Analog Inputs and Outputs
Input/Output channels7.1 / 7+Sum
Impedanz electrically balancedXLR, 13 kΩ
Input sensitivity−8 and +6 dBu
Max. input level+19 dBu (6.9 Vrms) / per channel
CMRR>60 dB @ 15 kHz
Interchannel isolation (1 kHz), level matching−95 dB, ±0.1 dB
Volume control range, resolution118 dB, 0.25 dB
Dynamic range, THD+N119 dB(A), <0. 001% (−100 dB)
LFE Modes80+re-routing, 80, 120, wide
LFE Gain0 / +10 dB
Gain Control+2 ... −12 dB
Displays and indicators: power onRed LED
limit/clipRed LED "Flashing"
bass management activeGreen LED
Green LED220 - 240 / 100 - 120 V AC (switchable)
Power consumption - Idle25 W
Power consumption - Full output550 W
Mechanics
Cabinet surface finishPainted
Color: standardAnthracite (RAL 7021)
Baffle coverIncluded metal grille
DriversMagnetically shielded
Woofer2 x 265 mm (10")
Height x width x depth735 x 330 x 645 mm (28.9" x 13" x 25.4")
Internal net volume86 l
External volume156 l
Weight47,1 kg (103.6 lbs)
Delivery includes1x KH 870
3x Power cables (Euro, UK, USA)
1x Operating manual
1x Supplement "Getting Started Quickly"

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