Neumann.Berlin KH 120 A Operating Manual

Neumann.Berlin KH 120 A Operating Manual

Active near-field loudspeaker
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georg neumann gmbh · ollenhauerstr. 98 · 13403 berlin · germany
tel +49 (0)30 / 41 77 24-0 · fax -50 · headoffice@neumann.com · www.neumann.com
KH 120 A
KH 120 D
Active Near-field Loudspeaker
Operating Manual

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Summary of Contents for Neumann.Berlin KH 120 A

  • Page 1 KH 120 A KH 120 D Active Near-field Loudspeaker Operating Manual georg neumann gmbh · ollenhauerstr. 98 · 13403 berlin · germany tel +49 (0)30 / 41 77 24-0 · fax -50 · headoffice@neumann.com · www.neumann.com...
  • Page 3: Table Of Contents

    Contents Important safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 The KH 120 studio monitor .
  • Page 4: Important Safety Instructions

    Important safety instructions Read these instructions . Keep these instructions . Always include these instructions when passing the product on to third parties . Heed all warnings . 4 . Follow all instructions . Do not use this apparatus near water . 6 .
  • Page 5 Danger due to high WARNING sound pressure Danger of hearing damage due to sudden high sound pressure levels! levels Audio signals that are present at switch-on of the product or that can be present during operation, can create sudden, very high sound pressure levels which can damage your hearing .
  • Page 6: The Kh 120 Studio Monitor

    . They can be used in project, music, broadcast, and post production studios for tracking, mixing, and mastering . Delivery includes 1 KH 120 A or KH 120 D 4 Self-adhesive feet 1 Operating manual 1 Supplement “Getting Started Quickly”...
  • Page 7: Product Overview

    [1] Switches the Neumann logo on/off [2] Dims the Neumann logo [3] No function [4] Connects/disconnects ground lift Bottom KH 120 A 6 ANALOG INPUT socket (XLR) 3 On/off switch 4 IEC mains socket with protective ground contact 5 DIP switches [1]–[4]...
  • Page 8 Back panel KH 120 A 7 ACOUSTICAL CONTROLS switches 8 OUTPUT LEVEL switch 9 INPUT GAIN control 0 Cooling fins A Threaded inserts for Neumann mounting hardware Back panel KH 120 D 7 ACOUSTICAL CONTROLS switches 8 OUTPUT LEVEL switch...
  • Page 9: Installing And Connecting The Kh 120

    Installing and connecting the KH 120 CAUTION Danger of injury and material damage due to tipping/dropping of the product! If improperly mounted, the product and/or the mounting hardware (e .g . rack) can tip over or drop down . Always have the product mounted by a qualified specialist according to local, national and international regulations and standards .
  • Page 10: Positioning The Loudspeakers

    Positioning the loudspeakers Carry out the following steps very accurately, since the more accurate the physical arrange- ment of the loudspeakers in the room, the more accurate the reproduction will be at the listening position . Distances Observe the recommended distances between the loudspeakers and your listening position (imperial dimensions are approximate): • Minimum: 0 .75 m (2 .5') • Recommended: 1 .0–2 .0 m (3'–6')
  • Page 11: Connecting Audio Signals

    (RCA-BNC) to the (30') AES3 INPUT socket (BNC) C (see page 10) Connecting analog signals to the KH 120 A and the KH 120 D Connecting Only connect analog signals to the KH 120 A . XLR cables Connect the left and right output of your analog audio source to the XLR input sockets 6 of the respective loudspeaker .
  • Page 12 Connecting digital signals to the KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D...
  • Page 13 KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D...
  • Page 14: Connecting/Disconnecting The Kh 120 To/From The Mains Power Supply

    Connecting/disconnecting the KH 120 to/from the mains power supply To connect the KH 120 to the mains power supply: Make sure that the on/off switch 3 is set to “OFF” . Connect the IEC connector of the supplied mains cable to the mains socket 4 . Power Source Connect the mains plug of the mains cable to a suitable wall socket .
  • Page 15: Adjusting The Acoustic Level

    Use the ACOUSTICAL CONTROLS switches 7 to adjust the frequency response . Recommended frequency responses: • Studio applications: flat • Film applications: X-curve shape (see ANSI/SMPTE 202M) • Home applications: subjective evaluation ACOUSTICAL CONTROLS Function Possible settings switches 7 Bass Compensates for acoustical loading in 0, -2 .5, -5, -7 .5 dB the low frequency range due to nearby...
  • Page 16: Compensating For Video Delay (Lip Sync)

    Recommended sound pressure levels: Application Sound pressure level Film 85 dB(C) Broadcast 79 to 83 dB(C) Music No defi ned reference levels If the Neumann logo fl ashes red, the loudspeaker’s protection system has been activated . To avoid this and achieve the desired output level, use larger loudspeakers or add a bass man- aged subwoofer to the system .
  • Page 17: Activating Ground Lift

    KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D KH 120 D...
  • Page 18: Adjusting The Brightness Of The Neumann Logo

    Adjusting the brightness of the Neumann logo WARNING Danger of hearing damage due to unexpected high sound pressure levels! If the Neumann logo is switched off, it is not obvious whether the product is switched on or off . In this case, unex- pected high sound pressure levels can cause hearing damage .
  • Page 19: Specifications

    Problem Cause Solution There is hum or buzz coming from Bad cabling or ground Check all cabling to eliminate the cause the KH 120 when the audio cable is loop in the installation . of the problem, change from unbalanced connected .
  • Page 20 Internal net volume/external volume 6 .5 l/9 .7 l Weight KH 120 A: 6 .4 kg (14 lbs 2 oz) KH 120 D: 6 .5 kg (14 lbs 5 oz) Drivers – woofer, tweeter magnetically shielded – 130 mm (5 .25"), 25 mm (1")
  • Page 21: Accessories

    Operating conditions Ambient temperature +10 °C to +40 °C (+50 °F to +104 °F) Relative humidity max . 90 % (non-condensing) Power supply 100 to 240 V~, 50/60 Hz Transport/storage conditions Ambient temperature –25 °C to +70 °C (–13 °F to +158 °F) Relative humidity max .
  • Page 22: Manufacturer Declarations

    Manufacturer Declarations Guarantee For the current terms and conditions of the product guarantee, please visit www .neumann .com . In compliance with the following requirements • WEEE Directive (2002/96/EC) Please dispose of the product at the end of its operational lifetime by taking it to your local collection point or recycling center for such equipment .
  • Page 25: System Block Diagram

    System Block Diagram/System-Blockdiagramm/Synoptique Système/ Diagrama de Bloques del Sistema Pin assignment of the XLR socket/ KH 120 D only Buchsenbelegung XLR/ S/P-DIF can be received on the BNC Brochage de la prise XLR/ connectors with a suitable adapter Switched-mode Power Supply Asignación de la hembra XLR/ BNC: AES3 Output Power on...
  • Page 26 Free-Field Response | Freifeld-Frequenzgang | Réponse en Group Delay | Gruppenlaufzeit | Temps de propagation de champ libre | Respuesta en frecuencia en campo libre groupe | Retardo de grupo II | KH 210...
  • Page 27 Harmonic Distortion at 90 dB SPL | Klirrfaktor bei 90 dB SPL Maximum SPL at 1 m (1% and 3%) | Maximaler SPL bei 1 m Distorsion harmonique à 90 dB SPL | Distorsión armónica total (1 % und 3 %) | Niveau SPL maximal, à 1 m (1% et 3%) | a 90 dB SPL SPL máximo a 1 m (1 % y 3 %) KH 210 | III...
  • Page 28 Acoustical Controls | Akustikregler | Effet des correcteurs de compensation acoustiques | Regulador acústico IV | KH 210...
  • Page 29 Cumulative Spectral Decay | Zerfalls spektrum | Décroissance spectrale cumulée | Caída espectral acumulada Frequency (Hz) time (ms) KH 210 | V...
  • Page 30 Horizontal Directivity Plot | Horizontales Abstrahlverhalten Directivité horizontale | Directividad horizontal -24,0--21,0 -21,0--18,0 -18,0--15,0 -15,0--12,0 -12,0--9,0 -9,0--6,0 -6,0--3,0 -3,0-0,0 0,0-3,0 3,0-6,0 Angle (°) Frequency (Hz) VI | KH 210...
  • Page 31 Vertical Directivity Plot | Vertikales Abstrahlverhalten Directivité verticale | Directividad vertical -24,0--21,0 -21,0--18,0 -18,0--15,0 -15,0--12,0 -12,0--9,0 -9,0--6,0 -6,0--3,0 -3,0-0,0 0,0-3,0 3,0-6,0 Angle (°) Frequency (Hz) KH 210 | VII...
  • Page 32: Installation Angles

    Installation angles/Aufstellwinkel/Angles d‘installation/Ángulos de colocación 22.5° 22.5° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° VIII | KH 210...
  • Page 33: Delay Lookup Table

    Delay Lookup Table/Wertetabelle Delay/Tableaux de valeurs Delay/Tabla de valores Delay Switch 1 (25.6 ms) Switch 2 (1.6 ms) Position Time [ms] Distance Distance [Imperial] Frames Time [ms] Distance Distance [Imperial] Frames [feet] [inches] 50 Hz 60 Hz [feet] [inches] 50 Hz 60 Hz 0.000 0.000...
  • Page 34 Delay Lookup Table/Wertetabelle Delay/Tableaux de valeurs Delay/Tabla de valores Delay Switch 3 (0.1 ms) Position Time [ms] Distance Distance [Imperial] Frames [feet] [inches] 50 Hz 60 Hz 0.000 0.034 0.069 0.103 0.138 0.172 0.206 0.241 0.275 0.310 0.344 0.378 0.413 0.447 0.482 0.516...
  • Page 36 11/13 · 554653/a01...

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