NEUMANN KH 750 DSP

THD+N: analog, digital

< -100 dB; < -90 dB

Free field frequency response ±6 dB

16 … 800 Hz

Free field frequency response ±3 dB

18 … 750 Hz

Self-generated noise at 10 cm (with input gain set to 100 dB SPL for 0 dBu)

<20 dB(A) NPS

Sine wave output with a THD < 0.5 % at 1 m in half space

95 dB SPL (>70 Hz)

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

105.0 dB SPL

Analog input(s)

2 x XLR: analog electronically balanced

Analog input impedance

>13k Ohms

Max. input level

< +24 dBu

Common mode rejection ratio (CMRR)

> 56 dB @ 15 kHz

Crosstalk (1 kHz), level matching

< -90 dB; ±0.1 dB

Volume control

via Neumann.Control software

Volume control range; resolution

0 … -∞ dB; 0.1 dB

Analog dynamic range; THD+N

119 dB(A); <0.003% (-90 dB)

Signal routing modes

Right; External Bass Management; 2 x LFE

Analog output(s)

2 x XLR; analog electronically balanced

Input gain control (sensitivity)

+2 ... -12 dB

Output level control (output level in 1 m based on 0 dBu input level)

94; 100; 108; 114 dB SPL

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

Dynamic range A-D-A

>120 dB(A)

Dynamic range D-A

>123 dB(A)

Digital sensitivity

-18 dBFS = 100 dB SPL at 1 m

Latency

1.5 ms (A-D-A linear phase); 1.2 ms (D-A linear phase)

Delay: User adjustable delay range

0 ... 100 ms and 2 x 0 ... 20.8 ms

Delay: Resolution: time; distance

0.1 ms; 3.44 cm (1 3/8”)

Delay: Max. frames Audio-video synchronisation (lip sync)

2.5 (40 ms) frames; 3 (33 ms) frames

Delay: Time-of-flight maximum distance

2 x 7.16 m (23' 5")

Controller design

Digital; active

Crossover frequency

80 Hz

Crossover slope

24 dB/oct; 4th order

Phase

0; 45; 90; 135 und 0/180 deg

Equalization: via Neumann.Control software

8 x full parametric IIR + low / high shelf global balance

FIR phase correction

For connected analog loudspeakers: Linear phase (170 Hz ... 16 kHz; +/- 45°)

Protection circuitry

Driver (thermo limiter); Electronics (temperature limiter); Amplifier (peak limiter, temperature limiter, temperature protection and overcurrent protection); Power supply (temperature limiter and overcurrent protection)

Infrasonic filter: frequency; slope

17.5 Hz; 12 dB/oct.

Remote control

Neumann.Control software via an RJ45 connector carrying standard IP data

Display: On; Normal Operation

Green LED

Display: Identification

Amber LED

Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute

Red LED

Display: Bass Management on

Green LED

Output power woofer amplifier (THD+N with limiter deactivated: 10%)

256 W

Mains Power Supply: input voltage; frequency

100-240V; 50/60 Hz

Power consumption (230 V / 100 V): Standby

<300 mW

Power consumption (230 V / 100 V): Idle

18 W

Power consumption (230 V / 100 V): Full output

410 W

In-rush current (Peak)

30 A @230 VAC

Standby

Disabled; 90 mins (default); user defined in software

Cabinet material

Wood cabinet, 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 protecting black metal grille

Product dimensions (height x width x depth)

383 x 330 x 383 mm (15 1/8" x 13" x 15 1/8")

External net volume

48.4 liters

Product weight

19.5 kg (43 lbs)