KH 870
The KH 870 is a 400 W active studio subwoofer with two 10-inch drivers and a front-ported cabinet, reaching down to 18 Hz. It includes an analog 7.1 bass manager, so it suits stereo, surround and 3D monitoring in music, broadcast and post-production rooms.
- 2 x 265 mm (10") drivers, 400 W amplifier
- Response 18–300 Hz (±3 dB)
- Max SPL 116.7 dB at 3% THD, 1 m
- Bypassable 7.1 bass manager, 80 Hz 4th-order crossover
- 8 balanced XLR inputs plus daisy-chain and sum outputs
- NRC 1 remote and RS-232 control; REK 3 remote electronics option
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Prodaj ovakavOpis
The KH 870 is an analog, bass-managed subwoofer with two 265 mm (10") long-throw drivers in a wooden, front-ported cabinet. Free-field response is 18 to 300 Hz (±3 dB), and the maximum SPL is 116.7 dB at 3% THD, measured at 1 m in half space. The amplifier delivers 400 W.
A bypassable 7.1 bass manager with a 4th-order 80 Hz crossover handles signals from mono up to 7.1 and 3D formats. LFE processing has four routing modes and a 0 or +10 dB gain choice. Other controls include input gain, output level, an 8-position phase switch with a test tone, a continuous low cut and a bypassable parametric EQ. A sum output allows Plane Wave Bass Array setups. Several units can be daisy-chained for more output.
Connections are eight balanced XLR analog inputs, with XLR outputs for daisy chaining. Volume, bass management on/off and LFE gain can be controlled from the optional NRC 1 remote, and RS-232 control is possible. The electronics can be relocated with the optional REK 3 kit. The cabinet can sit against a wall or be flush mounted, and a universal power supply covers 100 to 240 V.
Videozapis
Specifikacije
- Marka
- Neumann
- Model
- KH 870
- Kategorija
- Studio › Studijski monitori
Acoustics
- Free field frequency response ±3 dB
- 18 … 300 Hz
- Free field frequency response ±6 dB
- 17 … 600 Hz
- Pass band free field frequency response
- 19 … 300 Hz, ±2 dB
- Max. SPL at 3% THD, 1 m, half space (50–100 Hz average)
- 116.7 dB SPL
- Sine wave output, THD < 0.5% at 1 m in half space
- 95 dB SPL (>40 Hz)
- Max. long term SPL, pink noise at 2.3 m
- 118 dB SPL
- Acoustical principle
- Bassreflex, ports at the front
Inputs
- Analog inputs
- 8 x XLR, analog electronically balanced
- Input impedance
- >13k Ohms
- Max. input level
- +19 dBu
- Input gain control
- +2 ... -12 dB
Electronics
- Controller design
- Analog, active
- Crossover frequency
- 80 Hz
- Crossover slope
- 24 dB/oct; 4th order
- Infrasonic filter
- 6.5 Hz; 12 dB/oct.
- Woofer amplifier output power (10% THD+N)
- 400 W
- Woofer amplifier output power (0.1% THD+N)
- 320 W
Connectivity
- Remote control
- RJ45: NRC 1 (optional) or RS-232
- Volume control range; resolution
- 118 dB; 0.25 dB
Power
- Mains voltage
- 100 … 240 V universal
- Power consumption, idle
- 25 W
- Power consumption, full output
- 550 W
Physical
- Woofer
- 2 x 265 mm (10"), magnetically shielded
- Cabinet material
- Wood cabinet, aluminum electronics panel
- Finish
- Painted; metallic anthracite (RAL 7021) / black (RAL 9005)
- Dimensions (H x W x D)
- 735 x 330 x 645 mm (28.9" x 13" x 25.4")
- Weight
- 47.1 kg (103 lbs 13 oz)
- Mounting points
- 35 mm flange on top panel
- Operating conditions
- +10° C to +40° C; <75% RH, non-condensing
In the box
- Delivery includes (KH 870 G)
- 1 x subwoofer, mains cables EU, UK, US, Getting Started Quickly guide, operating manual