Neumann KH 420 - 3-Way Active Studio Monitor

Neumann KH 420 - 3-Way Active Studio Monitor

Neumann KH 420 - 3-Way Active Studio Monitor

B&H # NEKH420 MFR # KH 420
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Expected availability: 7-14 business days 
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Product Highlights

  • 10" Long Throw Woofer
  • 3" Fabric Dome Midrange
  • 1" Alloy Fabric Dome Tweeter
  • 295/130/130W Class AB Amplifiers
  • Flow-Optimized Bass Reflex Ports
  • Elliptical Math Modeled Dispersion
  • Fast-Acting Independent Thermo Limiters
  • Acoustical Controls and Parametric EQ
  • Ground Lift
  • Magnetically Shielded
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  • 1Description
The KH 420 from Neumann is a three-way active monitor designed for use as a mid-field or main monitor, and can be used free-standing or flush mounted into a wall. It is particularly well-suited for use in music, broadcast, and post production studios for tracking, mixing and mastering, and in multi-channel systems can be mixed freely with other loudspeakers in the range.

In-house computer optimized drivers, a waveguide featuring Mathematically Modeled Dispersion (MMD), flexible acoustical controls, various input options and an extensive mounting hardware range allow the KH 420 to be used in diverse acoustical conditions, with any source equipment, and in a wide variety of physical locations.
Computer mechanically modeled three-way cabinet design using Low Resonance Integral Molding (LRIM) materials
In-house simulated magnetically shielded drivers
Alloy fabric dome tweeter with built-in grille
Fabric dome, neodymium magnet, midrange driver
Long throw bass driver with Extremely Linear Force Factor (ELFF) and flow optimized die cast basket
High-capacity flow-optimized bass reflex ports with pipe damped
Elliptical Mathematically Modeled Dispersion (MMD) waveguide, with wide horizontal and narrow vertical dispersion
Electronics panel with dimensioned integrated Accelerated Heat Tunneling (AHT) heat sink
Analog class AB amplifiers with large headroom and overheat limiting
Fast-acting independent thermo limiters for woofer, midrange dome and tweeter to protect the voice coils
Woofer soft clip and excursion limiters
Four-position bass, low-mid and treble acoustical controls and easy to use parametric equalizer
Wide range input gain and output level controls
Ground lift
Individual hand-alignment in final test
Fully documented extensive mounting hardware options (hardware sold separately)
UPC: 615104252103
In the Box
Neumann KH 420 - 3-Way Active Studio Monitor
  • 3 x AC Power Cables
  • One (1) Year Limited Warranty
  • Table of Contents
    • 1Description
    Acoustics Frequency Response
    26 Hz to 22 kHz, +/-3 dB free field
    28 Hz to 20 kHz, +/-2 dB pass-band free field
    Self Generated Noise
    < 20 dB(A) level at 10 cm
    < 0.5 % at 95 dB SPL at 1 m, > 120 Hz
    116.4/122.4 dB maximum in full space/half space at 3% THD at 1 m (averaged between 100 Hz and 6 kHz)
    109.9 dB maximum bass capability in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz)
    109 dB(C) maximum short term with IEC-weighted noise (IEC 60286-5) at 1 m, in typical listening conditions
    103 dB(C) maximum short term (full range) with music material at 2.3 m, in typical listening conditions (pair)
    90/96 dB(C) maximum long term (full range) with pink noise at 2.3 m, in typical listening conditions (single/pair)
    Analog Input 9 Hz; 18 dB/octave infrasonic filter frequency/slope
    XLR electronically balanced input
    14 kOhms impedance, electrically balanced
    0 dB to to15 dB input gain control (sensitivity)
    94, 100, 108, 114 dB SPL output level control
    > 56 dB CMRR @ 100 Hz to 16 kHz
    +24 dBu maximum analog input level (18 dBu for analog delayed)
    Electronics Class AB Amplifiers, Continuous (Peak) Output Power
    Bass: 295 W (330 W)
    Midrange: 130 W (140 W)
    Treble: 130 W (140 W)
    Controller Design
    Analog, active
    Frequencies: 570 Hz, 2 kHz
    Slope: 24 dB/octave
    Bass: 0, -2.5, -5, -7.5 dB
    Mid: 0, -1.5, -3, -4.5 dB
    High: 1, 0, -1, -2 dB
    Parametric EQ
    Status: Switchable
    Gain: +4 to -12 dB
    Frequency: Bypass, 25 to 80 Hz, 50 to 160 Hz, 100 to 320 Hz
    Q: 1 to 8
    Protection Circuitry
    Excursion limiter: Low
    Peak limiter: Low
    Thermo limiters: Low, Mid and High
    Overheat: Amplifiers
    Power on: Neumann logo "White"
    Limit/clip: Neumann logo "Red"
    Mechanical Cabinet
    Painted wood and polyurethane, metallic anthracite finish
    Aluminum electronics panel, black
    Optional removable metal grille
    Operating: +50° to +104° F (+10 to +40° C), <90% RH non-condensing
    Transport/storage: −13° to 158° F (−25° to +70° C) ,<90% RH non-condensing
    Magnetically Shielded Drivers
    Woofer: 10" (265 mm)
    Midrange: 3" (76 mm)
    Tweeter: 1" (25 mm)
    Design: Vented, dual ports on front panel
    Mounting points: 8 x M5 on rear
    Power Requirements 100~240 VAC, 50/60 Hz
    Idle power consumption: 60 W
    Full output power consumption: 800 W
    Dimensions (WxDxH) 13 x 17.5 x 25.4" (330 x 444 x 645 mm)
    External volume: 3.3 ft3 (93 liters)
    Weight 77.2 lb (35 kg)
    Packaging Info
    Package Weight 92.4 lb
    Box Dimensions (LxWxH) 30.2 x 24.25 x 23.4"

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