Neumann KH 120D

Neumann KH 120D

Active Studio Monitor with Digital Input and Delay

Neumann O410

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 Neumann KH 120D Active Studio Monitor with Digital Input and Delay

Neumann KH 120D
Product Code: KH120D
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The KH 120 D studio monitor is designed for use as a near-field loudspeaker or as a rear loudspeaker in larger multi-channel systems. The KH 120 D represents the latest in acoustic and electronic simulation and measurement technologies to ensure the most accurate sound reproduction possible. It has a Mathematically Modeled Dispersion waveguide (MMD ), flexible acoustical controls, analog class-AB amplifiers, various input formats (analog and digital) and an extensive mounting hardware range. All of this provides the user with the maximum versatility over a wide variety of acoustic conditions, source equipment, and physical locations.

The KH 120 D is perfect for tracking, mixing and mastering in music, broadcast, project and post-production studios.
Features Benefits
Powerful titanium fabric dome Low-distortion high-frequency reproduction
Elliptical Mathematically Modelled Dispersion™
(MMD™) waveguide
Smoother off-axis response,
More forgiving of diverse acoustical environments
Composite sandwich cone Damping of break-up modes
Long throw bass driver Low distortions at high sound levels
Two-color + dimmable Neumann logo Displays operation status and activation of the extensive protection system
Robust metal grille Protects against mechanical damage
Large front panel ports Reduced bass compression and easier to mount in tight spaces such as OB vans
Compact aluminum cabinet
(magnetically shielded)
Minimizes resonances, better heat dissipation, long life
Wide horizontal dispersion Freedom of movement across the mixing console
Narrow vertical dispersion Reduces reflections off the mixing console
One-piece front panel with no discontinuities Reduced diffraction and smoother frequency response
Powerful analog amplifiers with large headroom Improved transient response
Production consistency Any KH 120 is “pair-matched” to any other KH 120
4-position bass, low-mid and treble acoustical controls More control in diverse acoustical environments
Wide range input gain and output level controls Easier interfacing with signal sources
New mounting hardware options More flexibility in mounting cabinets in more diverse locations
Display dimmer For low lighting level conditions or behind the screen applications
Ground lift Reduced noise in electrically noisy environments and over-comes ground loops
Universal switched-mode power supply
(100 … 240 V)
One version works in any country and robust to poor quality mains supply
Separate woofer and tweeter electronic peak limiters and thermal-protection circuitry High reliability
XLR analog input / 24 bit, 192 kHz, AES3 and S/P-DIF Compatible with commonly used digital signals
BNC input and buffered BNC output For flexible and trouble-free digital interconnectivity
Lipsync delay (0 … 10/12 frames) To align audio and video signals
Time-of-flight delay (0 … 400 ms) To compensate for listening distance differences
Acoustics
Free field frequency response 52 Hz … 21 kHz, ± 3 dB
Pass band free field frequency response 54 Hz … 20 kHz, ± 2 dB
Self-generated noise 
(with input gain set to 100 dB for 0 dBu)
< 20 dB(A) at 10 cm
Total harmonic distortion < 0.5 % at 95 dB SPLat 1 m
 
> 100 Hz
Max. SPL in full space / calc. in half space
at 3% THD at 1m
105.1 / 111.1 dB SPL
(averaged between 100 Hz and 6 kHz)
Bass capability: Max. SPL in half space 
at 3% THD at 1m
104.8 dB SPL 
(averaged between 50 Hz and 100 Hz)
Max. short term SPL with IEC-weighted noise(IEC 60268-5) at 1 m, in typical listening conditions 107 dB(C) SPL
Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair) 97 dB(C) SPL (full range)
104 dB(C) SPL (with subwoofer)
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single/pair) 88 / 93 dB(C) SPL (full range)
89 / 94 dB(C) SPL (with subwoofer)
Electronics
Woofer amplifier, 
cont.(peak) output power*
50 W (80 W)
Tweeter amplifier, 
cont.(peak) output power*
50 W (80 W)
Controller design Analog, active
Crossover Frequency 2.0 kHz
Crossover Slope (dB/oct.) 24, 4th order
Equalization - Bass 0, −2.5, −5, −7.5 dB
Equalization - Mid 0, −1.5, −3, −4.5 dB
Equalization - High +1, 0, −1, −2 dB
Protection circuitry Limiter: low, high
Infrasonic filter frequency; slope 30 Hz; 6 dB/oct.
Analog Input
Impedance, electrically balanced

10k Ohms in position 94/108 dB SPL at 1 m
20k Ohms in position 100/114 dB SPL at 1 m

Input gain control (sensitivity) 0 dB to −15 dB
Output level control 94, 100, 108, 114 dB SPL
CMRR >56 dB @ 15 kHz
Maximum input level  24 dBu (18 dBu for analog delayed)
Digital Input/Output
Format BNC AES3, S/P-DIF
Impedance BNC, unbalanced 75 Ω (input/output)
Input switching Analog, Digital A, Digital B, Digital A+B (all available with and without delay)
Digital converter: resolution, design 16 … 24-bit DAC, Δ∑
Digital converter: sampling rate 32 … 192 kHz
Digital sensitivity −18 dBFS
D-A dynamic range 120 dB
Audio-Video/lip sync and Time-of-Flight delay range 0 … 409.5 ms
Audio-Video/lip sync max. frames 0 … 10.2 (40 ms) frames, 
0 … 12.3 (33 ms) frames
Resolution: time/distance 0.1 ms / 3.4 cm (1 3/8”)
Latency D-A (A-D-A) 0.22 -  1.85 ms (0.54 ms)
Displays and indicators - power on Neumann logo “White”
Displays and indicators - limit/clip Neumann logo “Red”
Displays and indicators - digital error Neumann logo “Red” flash
Mains Power Supply, voltage; frequency 100-240 V~; 50/60 Hz
Power consumption – Idle 40 W
Power consumption – Full output AC 200 W
Mechanics
Cabinet surface finish, color: custom Painted aluminium, Anthracite (RAL 7021)
Operating conditions +10° C to +40° C (+50° F to +104° F), 
<90% RH, non-condensing
Transport/storage conditions −25° C to +70° C (−13° F to 158° F), 
<90% RH, non-condensing
Drivers Magnetically shielded
Woofer 130 mm (5.25”)
Tweeter 25 mm (1”)
Mounting points 2 x M8 on rear panel
Height x width x depth, mm (inches) 277 x 182 x 220 mm (10 7/8” x 7 1/8” x 8 5/8”)
Internal net volume / external volume 6.5 liters / 9.7 liters
Weight 6.5 kg (14.3 lbs)
Delivery includes 1x KH 120 D 
1x Power cables (Euro and USA) 
1x Operating manual
 

 

 
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