Neumann Kh 810 Active Studio Subwoofer

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 theBlu-ray and other High Definition formats that have increased the Audio Channel count to 7.1.

The KH 810 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 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

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 810 Subwoofer is designed to complement Klein + Hummel's extensive range of Monitors, and can be used on its own, or daisy-chained to make larger systems capable of higher SPL. The KH 810 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 the Klein + Hummel range.

Features:

• Flexible electronics
• 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 four-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 2 and an SCnn) for installation convenience, less cabling, and convenience of use
• Integrated electronic Limiter for Amplifier and Driver protection
• Low heat dissipation Amplifier
• Electronics can be remotely powered on with two modes of operation (0 V and 12 V trigger)
• Robust Driver and cabinet
• Low Frequency extension for main loudspeakers down to 18 Hz
• Low distortion magnetically shielded long-throw Driver
• Reduced bass compression at high SPL from generously proportioned Bass reflex ports
• Allows main loudspeakers to play louder and with lower distortion
• Wooden cabinet with a tough painted finish (anthracite or silver) and high density rubber isolating feet
• Excellent self-damping properties leading to minimal cabinet resonances
• Cabinet look conforms to the family design
• Extensive accessories range
• Remote controls (SRC1, SRC2) and remote cables (RC2, RC5, RC10, RC15, RC20, RC25, RC30)
• Remote electronics Kit (REK 2) and Driver cables (SC2, SC5, SC10, SC15, SC20, SC25, SC30)
• Flight case (FO 810)

Specifications:

• Acoustics:
  • -3 dB free field Frequency Response: 18 - 300 Hz, +/- 3 dB
  • Pass band free field Frequency Response: 19 - 300 Hz, +/- 2 dB
  • Self-generated Noise: < 20 dB(A)
  • Sine Wave output with a THD  45 Hz)
  • Max. SPL In half space at 3% THD: 110.7 dB SPL
  • Max. SPL with Pink Noise In half space at 1 m: 106 dB SPL
  • Averaged between: 40 and 90 Hz
• Electronics:
  • Amplifier, cont. (Peak) output power (THD < 0,1 %): 160 W (200 W)
  • Controller design: Analog, active
  • Main Channel Crossover Frequency: 80 Hz
  • Crossover slope: 24 dB/oct
  • Equalization: Low cut: 30 Hz, 0 ... -12 dB
  • Parametric Equalizer: Bypassable
  • Parametric Equalizer - Gain: +4 ... -12 dB
  • Parametric Equalizer - Frequency: 20 ... 120 Hz
  • Parametric Equalizer - Q: 1 ... 8
  • Time of Flight adjustment Delay: 0 ... 4.69 ms @ 80 Hz (4-step 0, 45, 90, 135), - 180 Switch
  • Volume Control: Hardware remote or RS-232
  • Calibration Tools: Internal signal generator
  • Protection circuitry: Peak and Thermo Limiters
  • Infrasonic Filter Frequency; slope: 6.5 Hz; 12 dB/oct.
  • Remote control: On a CAT-5
  • Analog Inputs and Outputs:
  • Input/Output channels: 7.1 / 7+Sum
  • Impedanz electrically Balanced: XLR, 13 kΩ
  • Input Sensitivity: -8 and +6 dBu
  • Max. input Level: +19 dBu (6.9 VRMS) / per Channel
  • CMRR: > 60 dB @ 15 kHz
  • LFE Modes: 80+re-routing, 80, 120, wide
  • LFE Gain: 0 / +10 dB
  • Gain Control: +2 ... -12 dB
  • Displays and Mains Power:
  • Displays and indicators: power on: Red LED- limit/clip: Red LED "Flashing"- Bass management active: Green LED
  • Mains power: 220 - 240 / 100 - 120 V AC (switchable)
  • Power consumption - Idle: 35 W
  • Power consumption - Full output: 290 W
• Mechanics:
  • Cabinet surface finish: Painted
  • Color: standard: Anthracite (RAL 7021), silver (RAL 9006)
  • Baffle cover: Included metal grille
  • Drivers: Magnetically shielded
  • Woofer: 265 mm (10")
  • Height x width x depth: 360 x 330 x 645 mm (14.2" x 13" x 25.4")
  • Internal net Volume: 41.5 l
  • External Volume: 76.6 l
  • Weight: 26 kg (57.2 lbs)
  • Accessories: FO810, DIM4, REK2, SRC1, SRC2, RC2, RC5, RC10, RC15, RC20, RC25, RC30, SC2, SC5, SC10, SC15, SC20, SC25, SC30

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