Neumann KH 870 G

• Free field frequency response ±6 dB: 17 … 600 Hz

• Free field frequency response ±3 dB: 18 … 300 Hz

• Reproduction accuracy between 50 Hz and 100 Hz: 100%, 80%, 50% of subwoofers produced: ±1.20; ±0.54; ±0.28 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 (>40 Hz)

• Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz): 116.7 dB SPL

• Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range): 118 dB SPL

• Analog input(s): 8 x XLR: analog electronically balanced

• Analog input impedance: >13k Ohms

• Max. input level: +19 dBu

• Common mode rejection ratio (CMRR): > 56 dB @ 15 kHz

• Crosstalk (1 kHz), level matching: -95 dB; ±0.1  dB

• Volume control: NRC 1 hardware remote or RS-232

• Volume control range; resolution: 118 dB; 0.25 dB

• Analog dynamic range; THD+N: 119 dB(A); <0.001% (-100 dB)

• Signal routing modes: LFE 80+re-routing; LFE 80 Hz; LFE 120 Hz; Wide

• LFE Gain: 0 / +10 dB

• Analog output(s): 8 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): 100; 114 dB SPL

• Controller design: Analog, active

• Crossover frequency: 80 Hz

• Crossover slope: 24 dB/oct; 4th order

• Equalization: Low cut: 30 Hz; 0 … -12 dB

• Equalization: Parametric EQ: Gain: +4 ... -12 dB

• Equalization: Parametric EQ: Frequency: Bypass; 20 ... 120 Hz

• Equalization: Parametric EQ: Q: 1 ... 8

• Phase: 0; 45; 90; 135 and 0/180 deg

• Protection circuitry: Peak and thermo limiters

• Infrasonic filter: frequency; slope: 6.5 Hz; 12 dB/oct.

• Remote control: RJ45 connector: Via NRC1 remote control (optional): volume for all channels; bass management on/off; LFE gain 0/10 dB.Via RS-232: more parameters remote controllable

• Display: On; Normal Operation: Red 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%): 400 W

• Output power woofer amplifier (THD+N with limiter deactivated: 0.1%): 320 W

• Mains Power Supply: input voltage; frequency: 220-240 / 100-120 V (switchable); 50/60 Hz

• Power consumption (230 V / 100 V): Idle: 25 W

• Power consumption (230 V / 100 V): Full output: 550 W

• 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: 2 x 265 mm (10") with magnetic shielding and protecting black metal grille

• Mounting points: 35 mm flange on top panel

• Product dimensions (height x width x depth): 735 x 330 x 645 mm (28.9" x 13" x 25.4")

• External net volume: 156 liters

• Product weight: 47.1 kg (103 lbs 13 oz)

• Cabinet weight when electronics remote located: 45.5 kg (100 lbs 5 oz)

• Packed dimensions (height x width x depth), mm (inches): 860 x 470 x 770 mm (33 7/8" x 18 1/2" x 30 3/8")

• Packed weight: 54.3 kg (119 lbs 11 oz)

• Packed cube: 0.311 m³