KH 120 II EU/KR

Neumann’s acclaimed studio monitor taken to a new level with deeper bass, higher resolution, and DSP power.

  • Linear frequency and phase response
  • DSP engine for improved performance and automatic room alignment
  • Deep low end down to 44 Hz and high SPL capability in a small format
  • Analog and S/PDIF connectivity, optional: AES67
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KH 120 II EU/KR

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NEXT GENERATION MONITORING

The KH 120 II is based on the same concept as its acclaimed predecessor but completely re-engineered for improved performance in all parameters: deeper bass, higher SPL capability and even better resolution. Internal DSP power allows for phase linear crossovers and room adaptive alignment via Neumann’s revolutionary MA 1 Automatic Alignment.

EVEN BETTER

When Neumann released the KH 120 A in 2010, it was the beginning of an ongoing success story. Neumann monitoring has since become the reference of choice in countless studios around the world. The KH 120 II follows the same philosophy as its predecessor and, in fact, all Neumann studio monitors: highest linearity, lowest distortion, no coloration, and perfect adaptability to any acoustic environment. Thanks to improved performance in all parameters and a powerful DSP engine, the KH 120 II enables you to hear your tracks with even greater clarity and work more efficiently. Create mixes that translate optimally to all playback systems. With ease.

PERFECT SOUND WITH A SMALL FOOTPRINT

The KH 120 II has an exceptionally linear frequency response from 44 Hz to 21 kHz (±3 dB). Not only that: It also linearizes the phase response! Which translates to clear mids with astonishing transparency as well as extreme accuracy in the time domain: precise impulse reproduction and finely resolved reverbs. This is made possible by DSP controlled electronics which allow for sophisticated crossovers avoiding the phase distortion caused by analog filters. The internal DSP also realizes new standards in tonal consistency. The KH 120 II is made to extremely low tolerances of no more than ±0.5 dB!  And you can hear it, too: Stereo imaging is razor-sharp.

The KH 120 II is designed for nearfield applications with a recommended listening distance of 1 – 2 meters (3 – 6 ft.). It is thus ideally suited to smaller rooms such as home and project studios as well as mixing and editing suites or as a surround speaker in large multichannel applications. Thanks to its outstanding linearity in a portable format, the KH 120 II is also an excellent choice for creating a professional quality makeshift control room when working on location (e.g. orchestra/choir, live recording, film, broadcast).

READY FOR YOUR ROOM

Even the best loudspeaker only sounds as good as the acoustic environment allows. Neumann’s Mathematically Modelled Dispersion™ (MMD™) waveguide guarantees a wide sweet spot and minimizes desk reflections. But the KH 120 II goes much further: Its internal DSP allows for room calibration via Neumann’s revolutionary Automatic Monitor Alignment. MA 1 (sold separately) makes sure your DSP powered monitors are optimally adapted to the character of your room and perfectly aligned for your listening position. Even in acoustically treated rooms, this results in a significant improvement.

Tonal compatibility with other KH line studio monitors makes it possible to use the KH 120 II in mixed setups e.g. in immersive setups. For flexible connectivity the KH 120 II features both analog and S/PDIF inputs.

AES 67 – AUDIO OVER IP

Additionally, the KH 120 II AES67 model variant offers integrated redundant AES67 audio network ports that are fully compliant with broadcast standards such as ST 2110, ST 2022-7 redundancy, and RAVENNA. At the same time, the KH 120 II AES67 is compatible with DANTE®-generated AES67 network streams.

ENERGY EFFICIENT

Neumann engineers took great care to develop a patent pending amplifier technology which combines superior audio performance with the energy efficiency of Class D. Although the power amplifiers of the KH 120 II deliver up to 145 W to the 5.25” woofer and 100 W to the 1” tweeter, they only consume 17 W at idle. Auto-standby reduces power consumption to 0.3 W when the KH 120 II has not been used for a while, but can be deactivated.

The KH 120 II is available in two color options, anthracite and white.

 

  • High-precision drivers, Mathematically Modelled Dispersion™ (MMD™) waveguide
  • Linear frequency response 44 Hz … 21 kHz (±3 dB)
  • Linear phase response 120 Hz … 16 kHz (±45°) with latency <2.6 ms
  • DSP inside allows for room adaptive alignment via Neumann’s MA 1
  • Razor sharp imaging due to extremely low tolerances (±0.5 dB)
  • May be combined with other KH line speakers in immersive or surround setups

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Acoustics
Free field frequency response ±6 dB 41 Hz … 21.4 kHz
Free field frequency response ±3 dB 44 Hz … 21 kHz
Pass band free field frequency response 48 Hz … 20.5 kHz, ±1.25 dB
Free field frequency linearity deviation between 100 Hz and 10 kHz ±0.7 dB
Reproduction accuracy between 100 Hz and 10 kHz: 100%, 80%, 50% of loudspeakers produced ±0.45; ±0.30; ±0.17 dB
Self-generated noise at 10 cm (with input gain set to 100 dB SPL for 0 dBu) <20 dB(A) SPL
Sine wave output with a THD < 0.5 % at 1 m in half space 95 dB SPL (>97 Hz)
Max. SPL calc. in half space at 3% THD at 1m (averaged between 100 Hz and 6 kHz) 116.8 dB SPL
Max. SPL in full space at 3% THD at 1m (averaged between 100 Hz and 6 kHz) 110.8 dB SPL
Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz) 105.1 dB SPL
Max. short term SPL with IEC-weighted noise (IEC 60268-5) at 1 m, in typical listening conditions 108 dB(C) SPL
Max. short term SPL with music material at 2.3 m in typical listening conditions (pair / full range) 98 dB(C) SPL
Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair with subwoofer) 104 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range) 88 / 93 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair with subwoofer) 87 / 93 dB(C) SPL
Dolby DARDT. Max SPL fullrange 113 dB SPL
Dolby DARDT. Max SPL bass managed 119 dB SPL
Recommended Listening Distance 1.0 … 2.0 m; (3’… 6′)
Feasible Listening Distance 0.75 … 4.0 m; (2’6″… 12′)
Acoustical Principle Bassreflex, Ports at the front
Analog Inputs and Outputs
Analog input(s) XLR: analog electronically balanced
Analog input impedance 24k Ohms
Max. input level +24 dBu for 94 dB SPL setting; +14 dBu for 100 dB SPL setting; +9 dBu for 108 dB SPL setting; -1 dBu for 114 dB SPL setting
Common mode rejection ratio (CMRR) >56 dB @ 15kHz
Volume control via MA 1 software
Volume control range; resolution 0 … -∞ dB; 0.1 dB
Analog dynamic range; THD+N (A-D-A) 118 dB, A-weighted, 90 dB
Digital Inputs and Outputs
Digital input(s) RCA (75 Ω): S/PDIF
Digital output(s) RCA (75 Ω): S/PDIF
Max. Digital Input Level; pk-pk, unbalanced / balanced 1.2 V
Digital converter: resolution; design 24 Bit
Digital converter: sampling rate 32 kHz..200 kHz
Digital internal sampling rate 48 kHz
Output sampling rate identical to input sample rate
Dynamic range A-D 121 dB(A)
Dynamic range A-D-A (Converter) 118 dB(A)
Dynamic range D-A 121 dB(A)
Digital sensitivity -18 dBFS = 100 dB SPL at 1 m
Latency ADA / DA Analog Input,: 2.6 ms; SPDIF Input: 2.1 ms
Delay: User adjustable delay range 0 … 120 ms
Delay: Resolution: time; distance 20.8 µs
Delay: Max. frames Audio-video synchronisation (lip sync) 0 … 120 ms for TOF=0ms, depends on APP implmentation
Delay: Time-of-flight maximum distance 0 … 120 ms for lipsync=0ms, depends on APP implmentation
User Interfaces (Backplate)
Input gain control (sensitivity) 0 dB … -15 dB
Output level control (output level in 1 m based on 0 dBu input level) 94; 100; 108; 114 dB SPL
Equalization: Bass 0; -2; -4; -6 dB
Equalization: Low-Mid 0; -2; -4; -6 dB
Equalization: Treble +1; 0; -1; -2 dB
Input Select Analog; S/PDIF L; S/PDIF R; Mono
Ground Lift Yes
Control Local; Network
Mains Switch Yes
Mains Voltage Select Universal Power Supply 100 V~ … 240 V~
Electronics – Controller
Controller design Digital; active
DSP resolution 32 Bit Audio, Processing 64 Bit double precision
Crossover frequency 1700 Hz
Crossover slope 48 dB / octave
Equalization: via Neumann.Control software No
Automatic room calibration via MA 1 Yes
FIR phase correction Linear phase (120 Hz … 16 kHz; +/- 45°)
Protection circuitry Independent soft clip, peak and thermo limiters for woofer and tweeter; Woofer excursion limiter; thermo limiter for the electronics and amplifiers
Infrasonic filter: frequency; slope 40 Hz; 12 dB / octave
Remote control MA 1 software via an RJ45 connector carrying standard IP data
Display: On; Normal Operation Neumann logo “White”
Display: Identification Neumann logo “Rosé”
Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute Neumann logo “Red”
Logo Brightness via MA 1 software
Electronics – Amplifiers and Power Supply
Output power woofer amplifier (THD+N with limiter deactivated: 10%) 145 W
Output power tweeter amplifier (THD+N with limiter deactivated: 10%) 100 W
Output power woofer amplifier (THD+N with limiter deactivated: 0.1%) 120 W
Output power tweeter amplifier (THD+N with limiter deactivated: 0.1%) 80 W
Mains Power Supply: input voltage; frequency 100-240 V; 50/60 Hz
Power consumption (230 V / 100 V): Standby 0.3 W
Power consumption (230 V / 100 V): Idle 15 W
Power consumption (230 V / 100 V): Full output 320 W
Standby automatic, 90 mins (default); user defined in software
Mechanics
Cabinet material Composite polycarbonate front and rear, wooden sleeve
Cabinet surface finish; color (front / back) Painted; metallic anthracite (RAL 7021) / Black (RAL 9005)
Operating conditions +10° C to +40° C; (+50° F to +104° F); <75% RH, non-condensing
Transport/storage conditions -25° C to +60° C; (-13° F to 140° F); <90% RH; non-condensing
Woofer 130 mm; (5.25″) with protecting black metal grille
Tweeter 25 mm; (1″) with protecting black metal grille
Mounting points 2 x M6 threaded inserts with 70 mm spacing on back panel; thread depth 15 mm; (5/8”)
Product dimensions (height x width x depth) 287 x 182 x 227 mm; (11.3 ” x 7.16 ” x 8.94″)
Internal net volume 6.0 l
External net volume 11.3 l
Packed weight 6,6 kg; (14 lbs 8 oz)
Product weight 5.4 kg; (11 lbs 14 oz)
Packed dimensions (height x width x depth), mm (inches) 422 x 271 x 381 mm; (16.6 x 10.7 x 15 “)
Packed cube 0.043 m³; (1.52 ft³)
Acoustical Axis horizontal 91 mm; (3.6 “)
Acoustical Axis vertical (from bottom) 166 mm; (6.5 “)

DIAGRAMS

KH 120 II – BASS, LOW-MID AND TREBLE ACOUSTICAL CONTROLS

KH 120 II - Bass, Low-Mid and Treble Acoustical Controls

KH 120 II – FREQUENCY RESPONSE

KH 120 II - Frequency response

KH 120 II – GROUP DELAY

KH 120 II - Group Delay

KH 120 II – HARMONIC DISTORTION AT 80 DB SPL

KH 120 II - Harmonic Distortion at 80 dB SPL

KH 120 II – HARMONIC DISTORTION AT 85 DB SPL

KH 120 II - Harmonic Distortion at 85 dB SPL

KH 120 II – HARMONIC DISTORTION AT 90 DB SPL

KH 120 II - Harmonic Distortion at 90 dB SPL

KH 120 II – HARMONIC DISTORTION AT 95 DB SPL

KH 120 II - Harmonic Distortion at 95 dB SPL

KH 120 II – MAXIMUM SPL AT 1 M

KH 120 II - Maximum SPL at 1 m

KH 120 II – PHASE RESPONSE

KH 120 II - Phase response

KH 120 II SPECTROGRAM

KH 120 II Spectrogram

KH 120 II – VERTICAL DIRECTIVITY PLOT

KH 120 II - Vertical directivity plot

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