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  • 505988

    Neumann KH 420 Professional Active Studio Monitors (SINGLE)

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    The Neumann KH 420 studio reference monitors are an active 3 way speaker design, that have been optimised to be used as mid-field monitors. They are front-ported, and can be freestanding or mounted in the wall. There are several optional extras available for the KH 420 including a digital input card, and several mounting options and front mesh covers.


        The KH 420 represents the result of using the latest techniques in acoustical, electronic and mechanical design to bring a new benchmark in audio reproduction quality. 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.
        The KH 420 has been designed for use as a mid-field or main monitor. It is particularly well-suited for use in music, broadcast, and post production studios for tracking, mixing, and mastering. The KH 420 can be used free-standing or flush mounted into a wall, and, in multichannel systems, can be mixed freely with other loudspeakers in the range.



        −3 dB free field frequency response
        26 Hz - 22 kHz, ± 3 dB

        Pass band free field frequency response
        28 Hz - 20 kHz, ± 2 dB

        Self generated noise level at 10 cm
        < 20 dB(A)

        Total harmonic distortion < 0.5 % at 95 dB SPL at 1 m
        > 120 Hz

        Max. SPL in full space / calc. in half space at 3% THD at 1m
        116.4 / 122.4 dB SPL (averaged between 100 Hz and 6 kHz)

        Bass capability: Max. SPL in half space at 3% THD at 1m
        109.9 dB SPL (averaged between 50 Hz and 100 Hz)

        Max. short term SPL with IEC-weighted noise (IEC 60286-5) at 1 m, in typical listening conditions
        109 dB(C) SPL

        Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair)
        103 dB(C) SPL (full range)
        109 dB(C) SPL (with subwoofer)

        Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single/pair)
        90 / 96 dB(C) SPL (full range)
        90 / 96 dB(C) SPL (with subwoofer)

        Analog Input

        Infrasonic filter: frequency/slope
        9 Hz; 18 dB/oct

        XLR, electronically balanced

        Impedance, electrically balanced
        14k Ohms

        Input gain control (sensitivity)
        0 dB to −15 dB

        Output level control
        94, 100, 108, 114 dB SPL

        > 56 dB @ 100 - 16 kHz

        Max. analog input level
        +24 dBu (18 dBu for analog delayed)

        Magnetically shielded

        265 mm (10")

        76 mm (3")

        25 mm (1")

        Cabinet design
        Vented, dual ports on front panel

        Mounting points
        8 x M5 on rear

        Product dimensions (height x width x depth), mm (inches)
        645 x 330 x 444 mm (25 3/8" x 13" x 17 1/2")

        External volume
        93 liters

        Product Weight
        35 kg (77 lbs 3 oz) (+ 100 g (3 oz) when DIM 1 fitted)

        Packed dimensions (height x width x depth), mm (inches)
        775 x 610 x 590 mm (23 1/4" x 15" x 14 1/8")

        Packed weight and cube
        41.0 kg (90 lbs 6 oz), 0.279 m³

        Delivery includes
        1x KH 420
        3x Power cables (Euro, UK, USA)
        1x Operating manual
        1x Getting Started Quickly Guide


    Need more info on the KH 420's ? Click HERE for the official Neumann product listing >>>