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Neumann KH 420 - 3-Way Active

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User Manual for Neumann KH 420 - 3-Way Active Studio Monitor

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Neumann KH 420 - 3-Way Active Studio Monitor Contents of the user manual for the Neumann KH 420 - 3-Way Active
  • Product category: Studio Monitors Neumann
  • Brand: Neumann
  • Description and content of package
  • Technical information and basic settings
  • Frequently asked questions – FAQ
  • Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
  • Authorized service for Neumann Studio Monitors

Neumann KH 420 - 3-Way Active Studio Monitor Neumann KH 420 - 3-Way Active Studio Monitor Neumann KH 420 - 3-Way Active Studio Monitor
User manual for the Neumann KH 420 - 3-Way Active contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Neumann product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Neumann user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Neumann product will considerably shorten its lifespan!



Product description

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
  • Limited 1-Year Warranty
  • Table of Contents




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    Technical parameters

    Neumann KH 420 Specs

    Monitor Type Active 3-Way
    Enclosure Bass-Reflex, Shielded
    Drivers HF Driver: 1 x 1" / 25 mm Tweeter
    MF Driver: 1 x 3" / 76 mm Cone
    LF Driver: 1 x 10" / 265 mm Woofer
    Amplification HF Amplifier: Class-AB Rated at 130 W / 140 W Peak
    MF Amplifier: Class-AB Rated at 130 W / 140 W Peak
    LF Amplifier: Class-AB Rated at 295 W / 330 W Peak
    Frequency Range 26 Hz to 22 kHz ± 3 dB
    Frequency Response 28 Hz to 20 kHz ± 2 dB
    Maximum Sound Pressure Level (SPL) 122.4 dB
    Total Harmonic Distortion (THD) 0.5%
    Analog Input Sensitivity/Gain +4 to -12 dB (Continuously Variable)
    Self-Generated Noise Less Than 20 dBA (at 3.93" / 10 cm)
    Protections and Limiting Excursion Limiter, Peak Limiter, and Thermal Limiting
    EQ 1 x LF Shelf: -7.5 to 0 dB (2.5 dB Increments)
    1 x Mid Notch/Peak: -4.5 to 0 dB (1.5 dB Increments)
    1 x HF Shelf: -2 to +1 dB (1 dB Increments)
    Parametric EQ -12 to +4 dB Between 25Hz and 80Hz, Q: 1 to 8
    -12 to +4 dB Between 50Hz and 160Hz, Q: 1 to 8
    -12 to +4 dB Between 100Hz and 320Hz, Q: 1 to 8 1 Parametric EQ with Selectable Frequency Ranges
    Crossover Frequency Low-Pass Frequency: 570 Hz, 24 dB/Octave Slope
    High-Pass Frequency: 2 kHz, 24 dB/Octave Slope
    I/O 1 x 3-Pin XLR Balanced Analog Input
    AC Input Power 100 to 240 VAC at 50/60 Hz
    Power Consumption 60 W (Standby)
    800 W (Maximum)
    Operating Temperature 50 to 104°F / 10 to 40°C
    Operating Humidity 90%
    Storage Temperature -13 to 158°F / -25 to 70°C
    Enclosure Material Aluminum, Metal Grille, Wood
    Mounting Points 8 x M5 (Rear Panel)
    Dimensions (W x H x D) 13.0 x 25.4 x 17.5" / 330.0 x 645.0 x 444.0 mm
    Weight 77.2 lb / 35.0 kg
    Package Weight 92.4 lb
    Box Dimensions (LxWxH) 30.2 x 24.25 x 23.4"

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