Three Way Midfield Monitor

KH 420 + DIM 1

Powerful tri-amplified midfield studio monitor – high-precision dispersion with tremendous sound level reserves.

Computer-modeled cabinet design using Low Resonance Integral Molding (LRIM™) materials
Extraordinary bass depth (26 Hz) with high sound pressure (122.4 dB)
Precise dispersion in the midrange and high frequencies
As a stereo system with KH 750 DSP and optional tools, controllable and alignable to the room*

KH 420 + DIM 1

Convient pour:

TITRE

KH-420-DIM1-Back_Neumann-Studio-Monitor_G

DONNÉES ET DIAGRAMMES

Free field frequency response ±6 dB	25 Hz … 22 kHz
Free field frequency response ±3 dB	26 Hz … 22 kHz
Free field frequency linearity deviation between 100 Hz and 10 kHz	± 1.2 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 (>100 Hz)
Max. SPL calc. in half space at 3% THD at 1m (averaged between 100 Hz and 6 kHz)	122.4 dB SPL
Max. SPL in full space at 3% THD at 1m (averaged between 100 Hz and 6 kHz)	116.4 dB SPL
Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz)	109.9 dB SPL
Max. short term SPL with IEC-weighted noise (IEC 60268-5) at 1 m, in typical listening conditions	109 dB(C) SPL
Reproduction accuracy between 100 Hz and 10 kHz: 100%, 80%, 50% of loudspeakers produced	±0.78; ±0.36; ±0.22 dB
Max. short term SPL with music material at 2.3 m in typical listening conditions (pair / full range)	103 dB(C) SPL
Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair with subwoofer)	109 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range)	90 / 96 dB(C) SPL
Dynamic range A-D-A	>116 dB(A)
Dynamic range D-A	>123 dB(A)
THD+N: analog delayed, digital	< -104 dB; < -106 dB
Digital sensitivity	-18 dBFS = 100 dB SPL at 1 m
Latency	0.22 … 1.85 ms (digital A, B or A+B); 0.54 ms (analog delayed)
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair with subwoofer)	90 / 96 dB(C) SPL
Equalization: Mid	0; -1.5; -3; -4.5 dB
Equalization: Parametric EQ: Gain	+4 ... -12 dB
Equalization: Parametric EQ: Frequency	Bypass, 25 ... 80 Hz; 50 ... 160 Hz; 100 ... 320 Hz
Equalization: Parametric EQ: Q	1 ... 8
Display Brightness	White: 100%/60%/30%/off; Red: 100%/60%/30%
Output power midrange amplifier (THD+N with limiter deactivated: 10%)	140 W
Output power midrange amplifier (THD+N with limiter deactivated: 0.1%)	130 W
Midrange	75 mm (3") with magnetic shielding
Cabinet weight when electronics remote located	30.3 kg (66 lbs 13 oz) (+ 100 g (3 oz) with DIM 1 fitted)
Bass Extension (Hz, -6 dB)	25
Maximum output level (dB SPL)	116.4
Max. Listening Distance up to (m)	11
Analog input(s)	XLR: analog electronically balanced
Analog input impedance	>14k Ohms
Max. input level	+24 dBu (DIM 1: 18 dBu for analog delayed)
Common mode rejection ratio (CMRR)	>56 dB @ 15kHz
Digital input(s)	BNC (75 Ω): AES3; S/P-DIF
Digital output(s)	BNC (75 Ω): AES3
Digital converter: resolution; design	16 … 24-bit DAC; Δ∑
Digital converter: sampling rate	22.05; 24; 32; 44.1; 48; 64; 88.2; 96; 176.4; 192 kHz
Digital internal sampling rate	96 kHz
Delay: User adjustable delay range	0 … 409.5 ms
Delay: Resolution: time; distance	0.1 ms; 3.44 cm (1 3/8”)
Delay: Max. frames Audio-video synchronisation (lip sync)	10.2 (40 ms) frames; 12.3 (33 ms) frames
Delay: Time-of-flight maximum distance	140.1 m (462' 2")
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; -2.5; -5; -7.5 dB
Equalization: Treble	+1; 0; -1; -2 dB
Controller design	Analog; active
Crossover frequency	570 Hz and 2.0 kHz
Crossover slope	24 dB/oct; 4th order
Protection circuitry	Independent thermo limiters for woofer, midrange dome and tweeter. Woofer soft clip and excursion limiters. Amplifier overheat.
Infrasonic filter: frequency; slope	9 Hz; 18 dB/oct.
Display: On; Normal Operation	Neumann logo “White”
Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute	Neumann logo “Red”
Output power woofer amplifier (THD+N with limiter deactivated: 10%)	330 W
Output power tweeter amplifier (THD+N with limiter deactivated: 10%)	140 W
Output power woofer amplifier (THD+N with limiter deactivated: 0.1%)	295 W
Output power tweeter amplifier (THD+N with limiter deactivated: 0.1%)	130 W
Mains Power Supply: input voltage; frequency	100-240V; 50/60 Hz
Power consumption (230 V / 100 V): Idle	60 W (+5W when DIM 1 fitted)
Power consumption (230 V / 100 V): Full output	800 W
Cabinet material	Wood cabinet, polyurethane waveguide, aluminum electronics panel
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); <90% RH, non-condensing
Transport/storage conditions	-25° C to +70° C (-13° F to 158° F); <90% RH; non-condensing
Woofer	265 mm (10") with magnetic shielding
Tweeter	25 mm (1") with protecting black metal grille
Mounting points	8 x M5 on rear panel
Product dimensions (height x width x depth)	645 x 330 x 444 mm (25 3/8" x 13" x 17 1/2")
External net volume	93 liters
Packed dimensions (height x width x depth), mm (inches)	775 x 610 x 590 mm (23 1/4" x 15" x 14 1/8")