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GLENSOUND BELLA 4 AUDIO MONITOR 4-input, 4 loudspeakers, Dante/AES67, 1U rackmount

Artikelnummer
95-9005
Hersteller
Glensound
Typennummer
  • BELLA 4
GLENSOUND BELLA 4 AUDIO MONITOR 4-input, 4 loudspeakers, Dante/AES67, 1U rackmount
GLENSOUND BELLA 4 AUDIO MONITOR 4-input, 4 loudspeakers, Dante/AES67, 1U rackmountGLENSOUND BELLA 4 AUDIO MONITOR 4-input, 4 loudspeakers, Dante/AES67, 1U rackmountGLENSOUND BELLA 4 AUDIO MONITOR 4-input, 4 loudspeakers, Dante/AES67, 1U rackmount

GLENSOUND AUDIO MONITORS

A range of analogue or Dante network audio monitors that have been designed for use in outside broadcast trucks, studios, theatre and professional audio applications.

GS-MON004 - Analogue - 8 inputs, 4 loudspeakers

BELLA 4 - 4 inputs, 4 loudspeakers

Bella 4 is a network audio monitoring sub rack designed for speech and confidence monitoring. It has four front panel loudspeakers, each driven from its own class D amplifier and each speaker/amplifier combination having its own Dante (AES67 compliant) network audio input. Utilising four front panel loudspeakers provides an effective sound stage for close field monitoring of four different audio sources and provides improved cognitive recognition for an operator of the four different audio circuits than if the four sources were monitored on a single loudspeaker driver.

Each loudspeaker of the Bella 4 has its own front panel volume control, illuminated mute switch, peak and presence indicators. The mute switches allow a quick and easy way of turning a source on/off whilst the presence indicators help an operator clarify which of the four audio sources are currently active. The peak LEDs indicate any overload of the input signal and provide a useful reference to potential issues with the incoming audio circuits. The loudspeakers are protected from damage from sudden high peak audio levels by way of compressor/limiter circuits - which are fitted to each loudspeaker. The compressor has been designed so as not to taint the monitoring audio at normal listening levels.

The front facing panel of the Bella 4 has four peak LEDs, one for each channel. These LEDs indicate an overly high audio input signal whilst actively monitoring a point in the audio chain prior to the front panel volume controls. Four rotary channel volume controls adjust the audio level of the associated channel to its associated loudspeaker/channel of the headphone amplifier. There is a single stereo 6.35mm jack socket for headphones, which when plugged in cut the four internal loudspeakers. The four incoming audio circuits are mixed to the headphones as two pairs of stereo, such that inputs 1 and 3 are routed to the left ear and the inputs 2 and 4 are routed to the right ear.

Four present LEDs are taken from a point in the audio chain prior to the front panel volume controls and the front panel channel mute switches, therefore they will illuminate if a signal is present on a channel - even if the volume control is turned down or its mute switch is in operation. The presence indicators are used to provide a visual indication of audio being present on a particular channel. The LEDs illuminate at a threshold of -20dB and have a hold time of a few seconds so stay illuminated for a short while after an audio source disappears. There are four channel mute push on/off switches for turning off the audio channel. If the internal LED in the switch is illuminated then the mute is active and no audio will be monitored on either the loud speaker or in the headphones from the associated input channel.

The rear facing panel of the Bella 4 has a single standard IEC mains input that accepts external AC voltages of 100-240 VAC +/- 10percent. There is an internal fuse and maximum current consumption is 25W. There is also one network audio input. The 100Mb EtherCON connector can mate with Neutrik XLR based network cables and standard RJ45s.

Internally, the Bella 4 uses the Ultimo Chipset from Audinate for its Dante network audio interface. The Ultimo chipset can receive four audio channels but importantly it can only receive two network flows, meaning that these four audio channels can only originate from two different network locations.

Audio: Volume control gain range: +10/ Off. Present indicator threshold: -18dB. Present indicator hold time: 3 seconds. Peak LED threshold: +10dB. Headphone connector: 6.35mm TRS jack socket. Maximum output before clipping: +18dB, into 600 Ohms. Noise at line up (22Hz to 22kHz RMS): greater than -88 dB. THD + N: greater than 0.0025%, at 1kHz, ref +8dB. Headphone impedance: 32 to 1000Ohms. Loudspeaker power RMS: 4W, maximum, per loudspeaker; 5W, peak power. Amplifier type: Class D. Noise at line-up: greater than -61.5dB, measured at I/P to LS. THD + N: greater than 0.18%, at 1kHz, ref +8dB, measured at input to LS. Acoustic frequency response: 120Hz to 22kHz, +/- 9dB. Maximum acoustic level: 88dB SPL at 0.61m. Maximum acoustic level: 98dB SPL at 0.61m. Loudspeaker magnet type: Neodymium. Magnetic induction: 1.15T, per loudspeaker. Input voltage: 100 – 240 VAC +/-10%. Frequency: 50/60 Hz. Input connector: Filtered IEC (Internally fused). Consumption: 25W, maximum.

Network: Physical interface: 1x RJ45 Neutrik Ethercon. Audio sample frequency: 48kb/s.
Transfer rate: 100 Mbps. Dante chipset: Ultimo UXT-01-004.

Note: Audinate recommend no more than 10 Ultimo chipsets on one network UNLESS another Dante device such as the Brooklyn module (found in 8 channel Beatrice/ Dark units), is on the same network. AES67 Compliant: The Audinate Ultimo chipset is AES67.

Physical: All aluminium with laser etched panels and light textured black powder coated lid/base. Weight: 1.35Kg.

Included items: Handbook (download also available), 2m IEC mains cable, 2m RJ45 to RJ45 network cable.

BELLA 22 MKII - 22 inputs

BELLA 32 - 32 inputs